/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_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 01:10:29,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 01:10:29,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 01:10:29,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 01:10:29,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 01:10:29,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 01:10:29,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 01:10:29,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 01:10:29,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 01:10:29,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 01:10:29,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 01:10:29,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 01:10:29,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 01:10:29,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 01:10:29,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 01:10:29,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 01:10:29,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 01:10:29,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 01:10:29,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 01:10:29,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 01:10:29,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 01:10:29,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 01:10:29,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 01:10:29,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 01:10:29,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 01:10:29,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 01:10:29,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 01:10:29,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 01:10:29,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 01:10:29,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 01:10:29,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 01:10:29,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 01:10:29,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 01:10:29,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 01:10:29,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 01:10:29,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 01:10:29,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 01:10:29,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 01:10:29,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 01:10:29,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 01:10:29,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 01:10:29,168 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 01:10:29,204 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 01:10:29,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 01:10:29,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 01:10:29,205 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 01:10:29,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 01:10:29,205 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 01:10:29,205 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 01:10:29,205 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 01:10:29,205 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 01:10:29,206 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 01:10:29,206 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 01:10:29,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 01:10:29,206 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 01:10:29,206 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 01:10:29,206 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 01:10:29,207 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 01:10:29,207 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 01:10:29,207 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 01:10:29,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 01:10:29,207 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 01:10:29,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 01:10:29,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 01:10:29,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 01:10:29,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 01:10:29,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 01:10:29,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 01:10:29,208 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 01:10:29,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 01:10:29,208 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 01:10:29,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 01:10:29,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 01:10:29,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 01:10:29,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:29,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 01:10:29,209 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 01:10:29,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 01:10:29,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 01:10:29,209 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 01:10:29,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 01:10:29,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 01:10:29,209 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 01:10:29,209 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 01:10:29,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 01:10:29,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 01:10:29,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 01:10:29,374 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 01:10:29,374 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 01:10:29,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2023-04-03 01:10:30,370 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 01:10:30,570 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 01:10:30,570 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2023-04-03 01:10:30,580 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d90c9f0d4/c314729584ff4139bb630dedfb6687b1/FLAGa3407477b [2023-04-03 01:10:30,597 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d90c9f0d4/c314729584ff4139bb630dedfb6687b1 [2023-04-03 01:10:30,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 01:10:30,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 01:10:30,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:30,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 01:10:30,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 01:10:30,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:30" (1/1) ... [2023-04-03 01:10:30,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793dd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:30, skipping insertion in model container [2023-04-03 01:10:30,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 01:10:30" (1/1) ... [2023-04-03 01:10:30,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 01:10:30,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 01:10:30,816 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_product58.cil.c[14935,14948] [2023-04-03 01:10:30,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:30,842 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 01:10:30,898 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_product58.cil.c[14935,14948] [2023-04-03 01:10:30,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 01:10:30,931 INFO L208 MainTranslator]: Completed translation [2023-04-03 01:10:30,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:30 WrapperNode [2023-04-03 01:10:30,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 01:10:30,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 01:10:30,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 01:10:30,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 01:10:30,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:30" (1/1) ... [2023-04-03 01:10:30,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:30" (1/1) ... [2023-04-03 01:10:30,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:30" (1/1) ... [2023-04-03 01:10:30,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:30" (1/1) ... [2023-04-03 01:10:30,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:30" (1/1) ... [2023-04-03 01:10:30,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:30" (1/1) ... [2023-04-03 01:10:30,988 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:30" (1/1) ... [2023-04-03 01:10:30,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:30" (1/1) ... [2023-04-03 01:10:30,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 01:10:30,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 01:10:30,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 01:10:30,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 01:10:30,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:30" (1/1) ... [2023-04-03 01:10:31,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 01:10:31,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:31,034 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 01:10:31,035 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 01:10:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 01:10:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 01:10:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 01:10:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:10:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 01:10:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 01:10:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 01:10:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 01:10:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 01:10:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-03 01:10:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 01:10:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 01:10:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 01:10:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 01:10:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 01:10:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 01:10:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 01:10:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 01:10:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 01:10:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 01:10:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 01:10:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 01:10:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 01:10:31,206 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 01:10:31,208 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 01:10:31,659 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 01:10:31,748 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 01:10:31,748 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 01:10:31,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:31 BoogieIcfgContainer [2023-04-03 01:10:31,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 01:10:31,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 01:10:31,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 01:10:31,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 01:10:31,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 01:10:30" (1/3) ... [2023-04-03 01:10:31,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237a60db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:31, skipping insertion in model container [2023-04-03 01:10:31,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 01:10:30" (2/3) ... [2023-04-03 01:10:31,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@237a60db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 01:10:31, skipping insertion in model container [2023-04-03 01:10:31,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 01:10:31" (3/3) ... [2023-04-03 01:10:31,760 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2023-04-03 01:10:31,772 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 01:10:31,772 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 01:10:31,810 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 01:10:31,814 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;@5ee40e8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 01:10:31,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 01:10:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 89 states have internal predecessors, (94), 52 states have call successors, (52), 34 states have call predecessors, (52), 34 states have return successors, (52), 48 states have call predecessors, (52), 52 states have call successors, (52) [2023-04-03 01:10:31,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-03 01:10:31,826 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:31,827 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 01:10:31,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:31,832 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:31,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1407214084, now seen corresponding path program 1 times [2023-04-03 01:10:31,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:31,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185666579] [2023-04-03 01:10:31,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:31,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:32,025 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 01:10:32,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:32,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185666579] [2023-04-03 01:10:32,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185666579] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:32,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:32,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 01:10:32,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900066183] [2023-04-03 01:10:32,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:32,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 01:10:32,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:32,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 01:10:32,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 01:10:32,095 INFO L87 Difference]: Start difference. First operand has 164 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 89 states have internal predecessors, (94), 52 states have call successors, (52), 34 states have call predecessors, (52), 34 states have return successors, (52), 48 states have call predecessors, (52), 52 states have call successors, (52) 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 01:10:32,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:32,162 INFO L93 Difference]: Finished difference Result 258 states and 307 transitions. [2023-04-03 01:10:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 01:10:32,163 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 01:10:32,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:32,169 INFO L225 Difference]: With dead ends: 258 [2023-04-03 01:10:32,169 INFO L226 Difference]: Without dead ends: 131 [2023-04-03 01:10:32,172 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 01:10:32,174 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:32,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:32,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2023-04-03 01:10:32,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2023-04-03 01:10:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 77 states have internal predecessors, (80), 37 states have call successors, (37), 32 states have call predecessors, (37), 27 states have return successors, (32), 28 states have call predecessors, (32), 32 states have call successors, (32) [2023-04-03 01:10:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 149 transitions. [2023-04-03 01:10:32,218 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 149 transitions. Word has length 52 [2023-04-03 01:10:32,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:32,218 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 149 transitions. [2023-04-03 01:10:32,219 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 01:10:32,219 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 149 transitions. [2023-04-03 01:10:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-03 01:10:32,221 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:32,221 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 01:10:32,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 01:10:32,221 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:32,222 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:32,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1858523714, now seen corresponding path program 1 times [2023-04-03 01:10:32,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:32,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295619502] [2023-04-03 01:10:32,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:32,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:32,299 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 01:10:32,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:32,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295619502] [2023-04-03 01:10:32,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295619502] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:32,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:32,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 01:10:32,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602510797] [2023-04-03 01:10:32,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:32,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 01:10:32,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:32,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 01:10:32,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 01:10:32,302 INFO L87 Difference]: Start difference. First operand 131 states and 149 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 01:10:32,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:32,363 INFO L93 Difference]: Finished difference Result 212 states and 241 transitions. [2023-04-03 01:10:32,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 01:10:32,364 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 01:10:32,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:32,365 INFO L225 Difference]: With dead ends: 212 [2023-04-03 01:10:32,365 INFO L226 Difference]: Without dead ends: 123 [2023-04-03 01:10:32,366 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 01:10:32,367 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 9 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:32,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 223 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 01:10:32,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-04-03 01:10:32,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-04-03 01:10:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 61 states have (on average 1.2131147540983607) internal successors, (74), 72 states have internal predecessors, (74), 34 states have call successors, (34), 31 states have call predecessors, (34), 27 states have return successors, (30), 26 states have call predecessors, (30), 30 states have call successors, (30) [2023-04-03 01:10:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 138 transitions. [2023-04-03 01:10:32,377 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 138 transitions. Word has length 53 [2023-04-03 01:10:32,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:32,377 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 138 transitions. [2023-04-03 01:10:32,377 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 01:10:32,377 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 138 transitions. [2023-04-03 01:10:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-04-03 01:10:32,379 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:32,379 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 01:10:32,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 01:10:32,379 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:32,379 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:32,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1308847194, now seen corresponding path program 1 times [2023-04-03 01:10:32,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:32,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753249202] [2023-04-03 01:10:32,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:32,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:32,645 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 01:10:32,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:32,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753249202] [2023-04-03 01:10:32,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753249202] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:32,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:32,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:10:32,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552315924] [2023-04-03 01:10:32,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:32,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:10:32,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:32,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:10:32,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:10:32,647 INFO L87 Difference]: Start difference. First operand 123 states and 138 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 01:10:32,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:32,840 INFO L93 Difference]: Finished difference Result 221 states and 252 transitions. [2023-04-03 01:10:32,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-03 01:10:32,841 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 01:10:32,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:32,845 INFO L225 Difference]: With dead ends: 221 [2023-04-03 01:10:32,845 INFO L226 Difference]: Without dead ends: 123 [2023-04-03 01:10:32,850 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 01:10:32,852 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 187 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:32,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 327 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 01:10:32,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-04-03 01:10:32,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2023-04-03 01:10:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 61 states have (on average 1.1967213114754098) internal successors, (73), 71 states have internal predecessors, (73), 34 states have call successors, (34), 31 states have call predecessors, (34), 27 states have return successors, (30), 26 states have call predecessors, (30), 30 states have call successors, (30) [2023-04-03 01:10:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 137 transitions. [2023-04-03 01:10:32,868 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 137 transitions. Word has length 56 [2023-04-03 01:10:32,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:32,872 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 137 transitions. [2023-04-03 01:10:32,872 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 01:10:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 137 transitions. [2023-04-03 01:10:32,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-04-03 01:10:32,878 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:32,879 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] [2023-04-03 01:10:32,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 01:10:32,879 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:32,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:32,880 INFO L85 PathProgramCache]: Analyzing trace with hash -614079300, now seen corresponding path program 1 times [2023-04-03 01:10:32,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:32,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113202835] [2023-04-03 01:10:32,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:32,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:33,034 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 01:10:33,035 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:33,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113202835] [2023-04-03 01:10:33,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113202835] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:33,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:33,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-03 01:10:33,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740280143] [2023-04-03 01:10:33,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:33,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-03 01:10:33,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:33,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-03 01:10:33,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-03 01:10:33,037 INFO L87 Difference]: Start difference. First operand 123 states and 137 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2023-04-03 01:10:33,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:33,360 INFO L93 Difference]: Finished difference Result 317 states and 372 transitions. [2023-04-03 01:10:33,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 01:10:33,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) Word has length 69 [2023-04-03 01:10:33,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:33,364 INFO L225 Difference]: With dead ends: 317 [2023-04-03 01:10:33,364 INFO L226 Difference]: Without dead ends: 219 [2023-04-03 01:10:33,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-03 01:10:33,372 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 171 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:33,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 154 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:10:33,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-04-03 01:10:33,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 202. [2023-04-03 01:10:33,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 106 states have (on average 1.179245283018868) internal successors, (125), 116 states have internal predecessors, (125), 48 states have call successors, (48), 45 states have call predecessors, (48), 47 states have return successors, (52), 47 states have call predecessors, (52), 44 states have call successors, (52) [2023-04-03 01:10:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 225 transitions. [2023-04-03 01:10:33,407 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 225 transitions. Word has length 69 [2023-04-03 01:10:33,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:33,408 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 225 transitions. [2023-04-03 01:10:33,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2023-04-03 01:10:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 225 transitions. [2023-04-03 01:10:33,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-04-03 01:10:33,410 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:33,410 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] [2023-04-03 01:10:33,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 01:10:33,410 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:33,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:33,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1174128224, now seen corresponding path program 1 times [2023-04-03 01:10:33,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:33,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045779612] [2023-04-03 01:10:33,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:33,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:33,586 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 01:10:33,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:33,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045779612] [2023-04-03 01:10:33,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045779612] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:33,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:33,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 01:10:33,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114727714] [2023-04-03 01:10:33,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:33,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 01:10:33,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:33,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 01:10:33,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 01:10:33,589 INFO L87 Difference]: Start difference. First operand 202 states and 225 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 01:10:33,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:33,916 INFO L93 Difference]: Finished difference Result 395 states and 455 transitions. [2023-04-03 01:10:33,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-03 01:10:33,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 78 [2023-04-03 01:10:33,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:33,918 INFO L225 Difference]: With dead ends: 395 [2023-04-03 01:10:33,918 INFO L226 Difference]: Without dead ends: 218 [2023-04-03 01:10:33,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-03 01:10:33,919 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 134 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:33,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 263 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-03 01:10:33,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-04-03 01:10:33,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 201. [2023-04-03 01:10:33,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 105 states have (on average 1.161904761904762) internal successors, (122), 115 states have internal predecessors, (122), 48 states have call successors, (48), 45 states have call predecessors, (48), 47 states have return successors, (52), 47 states have call predecessors, (52), 44 states have call successors, (52) [2023-04-03 01:10:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 222 transitions. [2023-04-03 01:10:33,944 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 222 transitions. Word has length 78 [2023-04-03 01:10:33,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:33,945 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 222 transitions. [2023-04-03 01:10:33,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-03 01:10:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 222 transitions. [2023-04-03 01:10:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-04-03 01:10:33,946 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:33,947 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] [2023-04-03 01:10:33,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 01:10:33,947 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:33,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:33,947 INFO L85 PathProgramCache]: Analyzing trace with hash 483031618, now seen corresponding path program 1 times [2023-04-03 01:10:33,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:33,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449344653] [2023-04-03 01:10:33,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:33,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:34,269 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 01:10:34,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:34,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449344653] [2023-04-03 01:10:34,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449344653] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:34,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:34,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-03 01:10:34,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511745278] [2023-04-03 01:10:34,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:34,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-03 01:10:34,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:34,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-03 01:10:34,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-03 01:10:34,271 INFO L87 Difference]: Start difference. First operand 201 states and 222 transitions. Second operand has 12 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 4 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-03 01:10:34,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:34,732 INFO L93 Difference]: Finished difference Result 527 states and 603 transitions. [2023-04-03 01:10:34,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-03 01:10:34,733 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 4 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18) Word has length 91 [2023-04-03 01:10:34,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:34,735 INFO L225 Difference]: With dead ends: 527 [2023-04-03 01:10:34,735 INFO L226 Difference]: Without dead ends: 351 [2023-04-03 01:10:34,735 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 01:10:34,738 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 294 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:34,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 916 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-03 01:10:34,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-04-03 01:10:34,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 344. [2023-04-03 01:10:34,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 185 states have (on average 1.162162162162162) internal successors, (215), 202 states have internal predecessors, (215), 81 states have call successors, (81), 76 states have call predecessors, (81), 77 states have return successors, (95), 80 states have call predecessors, (95), 77 states have call successors, (95) [2023-04-03 01:10:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 391 transitions. [2023-04-03 01:10:34,770 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 391 transitions. Word has length 91 [2023-04-03 01:10:34,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:34,771 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 391 transitions. [2023-04-03 01:10:34,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 4 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-03 01:10:34,771 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 391 transitions. [2023-04-03 01:10:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-04-03 01:10:34,776 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:34,776 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] [2023-04-03 01:10:34,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-03 01:10:34,776 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:34,776 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:34,776 INFO L85 PathProgramCache]: Analyzing trace with hash -685376788, now seen corresponding path program 1 times [2023-04-03 01:10:34,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:34,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288347455] [2023-04-03 01:10:34,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:34,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:35,063 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 01:10:35,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:35,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288347455] [2023-04-03 01:10:35,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288347455] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 01:10:35,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 01:10:35,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-03 01:10:35,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569228867] [2023-04-03 01:10:35,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 01:10:35,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-03 01:10:35,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:35,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-03 01:10:35,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-04-03 01:10:35,064 INFO L87 Difference]: Start difference. First operand 344 states and 391 transitions. Second operand has 9 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-03 01:10:35,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:35,732 INFO L93 Difference]: Finished difference Result 1078 states and 1260 transitions. [2023-04-03 01:10:35,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-04-03 01:10:35,732 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 94 [2023-04-03 01:10:35,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:35,736 INFO L225 Difference]: With dead ends: 1078 [2023-04-03 01:10:35,736 INFO L226 Difference]: Without dead ends: 817 [2023-04-03 01:10:35,736 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 01:10:35,737 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 299 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 1264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:35,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 282 Invalid, 1264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-03 01:10:35,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2023-04-03 01:10:35,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 705. [2023-04-03 01:10:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 384 states have (on average 1.1692708333333333) internal successors, (449), 418 states have internal predecessors, (449), 160 states have call successors, (160), 151 states have call predecessors, (160), 160 states have return successors, (199), 164 states have call predecessors, (199), 156 states have call successors, (199) [2023-04-03 01:10:35,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 808 transitions. [2023-04-03 01:10:35,790 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 808 transitions. Word has length 94 [2023-04-03 01:10:35,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:35,790 INFO L495 AbstractCegarLoop]: Abstraction has 705 states and 808 transitions. [2023-04-03 01:10:35,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-03 01:10:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 808 transitions. [2023-04-03 01:10:35,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-03 01:10:35,792 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:35,792 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:10:35,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-03 01:10:35,793 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:35,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:35,793 INFO L85 PathProgramCache]: Analyzing trace with hash 730792403, now seen corresponding path program 1 times [2023-04-03 01:10:35,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:35,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730837277] [2023-04-03 01:10:35,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:35,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:35,946 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-03 01:10:35,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:35,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730837277] [2023-04-03 01:10:35,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730837277] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:35,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616667367] [2023-04-03 01:10:35,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:35,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:35,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:36,007 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 01:10:36,031 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 01:10:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:36,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-03 01:10:36,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:36,372 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 01:10:36,372 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-04-03 01:10:36,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616667367] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:36,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1084800349] [2023-04-03 01:10:36,729 INFO L159 IcfgInterpreter]: Started Sifa with 113 locations of interest [2023-04-03 01:10:36,729 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:36,731 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:36,734 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:36,734 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:36,902 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:36,937 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:10:37,146 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:10:37,205 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:10:40,356 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 74 for LOIs [2023-04-03 01:10:40,384 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2023-04-03 01:10:40,633 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:10:40,637 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 54 for LOIs [2023-04-03 01:10:40,841 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 40 for LOIs [2023-04-03 01:10:41,044 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:41,099 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:41,103 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:41,142 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 34 for LOIs [2023-04-03 01:10:41,159 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 34 for LOIs [2023-04-03 01:10:41,162 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:41,163 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2023-04-03 01:10:41,165 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 47 for LOIs [2023-04-03 01:10:41,239 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 47 for LOIs [2023-04-03 01:10:41,245 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:41,247 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:41,248 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2023-04-03 01:10:41,338 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 39 for LOIs [2023-04-03 01:10:41,341 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 31 for LOIs [2023-04-03 01:10:41,342 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 23 for LOIs [2023-04-03 01:10:41,359 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 20 for LOIs [2023-04-03 01:10:41,360 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:41,362 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:41,364 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:41,365 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:10:47,421 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8160#(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 01:10:47,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:10:47,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:10:47,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-04-03 01:10:47,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530075612] [2023-04-03 01:10:47,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:10:47,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-03 01:10:47,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:10:47,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-03 01:10:47,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=598, Invalid=6374, Unknown=0, NotChecked=0, Total=6972 [2023-04-03 01:10:47,437 INFO L87 Difference]: Start difference. First operand 705 states and 808 transitions. Second operand has 19 states, 12 states have (on average 10.25) internal successors, (123), 15 states have internal predecessors, (123), 7 states have call successors, (55), 6 states have call predecessors, (55), 11 states have return successors, (55), 10 states have call predecessors, (55), 6 states have call successors, (55) [2023-04-03 01:10:48,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:10:48,741 INFO L93 Difference]: Finished difference Result 1534 states and 1800 transitions. [2023-04-03 01:10:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-04-03 01:10:48,741 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 12 states have (on average 10.25) internal successors, (123), 15 states have internal predecessors, (123), 7 states have call successors, (55), 6 states have call predecessors, (55), 11 states have return successors, (55), 10 states have call predecessors, (55), 6 states have call successors, (55) Word has length 146 [2023-04-03 01:10:48,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:10:48,760 INFO L225 Difference]: With dead ends: 1534 [2023-04-03 01:10:48,760 INFO L226 Difference]: Without dead ends: 912 [2023-04-03 01:10:48,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 349 SyntacticMatches, 22 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4868 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=767, Invalid=9333, Unknown=0, NotChecked=0, Total=10100 [2023-04-03 01:10:48,772 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 351 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-04-03 01:10:48,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 1870 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-04-03 01:10:48,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2023-04-03 01:10:48,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 811. [2023-04-03 01:10:48,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 443 states have (on average 1.164785553047404) internal successors, (516), 491 states have internal predecessors, (516), 186 states have call successors, (186), 177 states have call predecessors, (186), 181 states have return successors, (226), 180 states have call predecessors, (226), 182 states have call successors, (226) [2023-04-03 01:10:48,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 928 transitions. [2023-04-03 01:10:48,867 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 928 transitions. Word has length 146 [2023-04-03 01:10:48,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:10:48,868 INFO L495 AbstractCegarLoop]: Abstraction has 811 states and 928 transitions. [2023-04-03 01:10:48,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 12 states have (on average 10.25) internal successors, (123), 15 states have internal predecessors, (123), 7 states have call successors, (55), 6 states have call predecessors, (55), 11 states have return successors, (55), 10 states have call predecessors, (55), 6 states have call successors, (55) [2023-04-03 01:10:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 928 transitions. [2023-04-03 01:10:48,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-04-03 01:10:48,870 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:10:48,870 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, 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, 1, 1, 1, 1, 1] [2023-04-03 01:10:48,893 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 01:10:49,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:49,088 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:10:49,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:10:49,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1833730285, now seen corresponding path program 1 times [2023-04-03 01:10:49,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:10:49,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329872631] [2023-04-03 01:10:49,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:49,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:10:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-04-03 01:10:49,295 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:10:49,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329872631] [2023-04-03 01:10:49,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329872631] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:10:49,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918671430] [2023-04-03 01:10:49,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:10:49,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:10:49,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:10:49,296 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 01:10:49,298 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 01:10:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:10:49,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-03 01:10:49,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:10:49,588 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-04-03 01:10:49,589 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:10:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-04-03 01:10:49,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918671430] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:10:49,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [261370897] [2023-04-03 01:10:49,978 INFO L159 IcfgInterpreter]: Started Sifa with 112 locations of interest [2023-04-03 01:10:49,978 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:10:49,979 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:10:49,979 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:10:49,979 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:10:50,048 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:10:50,068 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:10:50,175 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:10:50,202 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:10:53,049 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 82 for LOIs [2023-04-03 01:10:53,082 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2023-04-03 01:10:53,364 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:10:53,368 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 37 for LOIs [2023-04-03 01:10:53,578 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:53,741 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:10:53,807 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:10:53,810 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:10:53,841 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 34 for LOIs [2023-04-03 01:10:53,857 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 34 for LOIs [2023-04-03 01:10:53,859 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:10:53,861 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 28 for LOIs [2023-04-03 01:10:53,924 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 28 for LOIs [2023-04-03 01:10:53,927 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 39 for LOIs [2023-04-03 01:10:53,930 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:10:53,931 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:10:53,932 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 43 for LOIs [2023-04-03 01:10:54,102 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:10:54,105 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 43 for LOIs [2023-04-03 01:10:54,108 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 27 for LOIs [2023-04-03 01:10:54,126 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:10:54,127 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:10:54,129 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:10:54,131 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:10:54,132 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:11:00,323 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12837#(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 01:11:00,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:11:00,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:11:00,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 13 [2023-04-03 01:11:00,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287906162] [2023-04-03 01:11:00,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:11:00,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-03 01:11:00,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:11:00,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-03 01:11:00,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=478, Invalid=6002, Unknown=0, NotChecked=0, Total=6480 [2023-04-03 01:11:00,331 INFO L87 Difference]: Start difference. First operand 811 states and 928 transitions. Second operand has 13 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 3 states have call successors, (46), 3 states have call predecessors, (46), 7 states have return successors, (45), 6 states have call predecessors, (45), 3 states have call successors, (45) [2023-04-03 01:11:00,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:11:00,645 INFO L93 Difference]: Finished difference Result 2158 states and 2542 transitions. [2023-04-03 01:11:00,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-03 01:11:00,646 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 3 states have call successors, (46), 3 states have call predecessors, (46), 7 states have return successors, (45), 6 states have call predecessors, (45), 3 states have call successors, (45) Word has length 203 [2023-04-03 01:11:00,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:11:00,652 INFO L225 Difference]: With dead ends: 2158 [2023-04-03 01:11:00,652 INFO L226 Difference]: Without dead ends: 1390 [2023-04-03 01:11:00,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 525 SyntacticMatches, 15 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3350 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=501, Invalid=6471, Unknown=0, NotChecked=0, Total=6972 [2023-04-03 01:11:00,673 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 54 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 01:11:00,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 1366 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 01:11:00,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2023-04-03 01:11:00,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1166. [2023-04-03 01:11:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 638 states have (on average 1.1473354231974922) internal successors, (732), 704 states have internal predecessors, (732), 260 states have call successors, (260), 251 states have call predecessors, (260), 267 states have return successors, (353), 260 states have call predecessors, (353), 256 states have call successors, (353) [2023-04-03 01:11:00,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1345 transitions. [2023-04-03 01:11:00,797 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1345 transitions. Word has length 203 [2023-04-03 01:11:00,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:11:00,797 INFO L495 AbstractCegarLoop]: Abstraction has 1166 states and 1345 transitions. [2023-04-03 01:11:00,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 11.666666666666666) internal successors, (105), 10 states have internal predecessors, (105), 3 states have call successors, (46), 3 states have call predecessors, (46), 7 states have return successors, (45), 6 states have call predecessors, (45), 3 states have call successors, (45) [2023-04-03 01:11:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1345 transitions. [2023-04-03 01:11:00,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-04-03 01:11:00,814 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 01:11:00,815 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, 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, 1, 1, 1, 1] [2023-04-03 01:11:00,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-03 01:11:01,023 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,SelfDestructingSolverStorable8 [2023-04-03 01:11:01,023 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 01:11:01,024 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 01:11:01,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1197735622, now seen corresponding path program 1 times [2023-04-03 01:11:01,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 01:11:01,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503877034] [2023-04-03 01:11:01,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:01,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 01:11:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 50 proven. 20 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-04-03 01:11:01,544 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 01:11:01,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503877034] [2023-04-03 01:11:01,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503877034] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-03 01:11:01,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330179091] [2023-04-03 01:11:01,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 01:11:01,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:11:01,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 01:11:01,557 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 01:11:01,559 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 01:11:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 01:11:01,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 46 conjunts are in the unsatisfiable core [2023-04-03 01:11:01,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-03 01:11:01,918 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 100 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-03 01:11:01,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-03 01:11:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 62 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-04-03 01:11:03,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330179091] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-03 01:11:03,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [68194228] [2023-04-03 01:11:03,253 INFO L159 IcfgInterpreter]: Started Sifa with 112 locations of interest [2023-04-03 01:11:03,253 INFO L166 IcfgInterpreter]: Building call graph [2023-04-03 01:11:03,253 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-03 01:11:03,253 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-03 01:11:03,253 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-03 01:11:03,343 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-03 01:11:03,360 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-03 01:11:03,429 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-03 01:11:03,453 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-03 01:11:06,362 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 100 for LOIs [2023-04-03 01:11:06,386 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2023-04-03 01:11:06,629 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-04-03 01:11:06,633 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 37 for LOIs [2023-04-03 01:11:06,803 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-03 01:11:06,893 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-03 01:11:06,946 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-03 01:11:06,949 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-03 01:11:06,981 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 34 for LOIs [2023-04-03 01:11:06,998 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 34 for LOIs [2023-04-03 01:11:07,001 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__lowWaterSensor with input of size 26 for LOIs [2023-04-03 01:11:07,002 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterLevel with input of size 28 for LOIs [2023-04-03 01:11:07,063 INFO L197 IcfgInterpreter]: Interpreting procedure isLowWaterSensorDry with input of size 28 for LOIs [2023-04-03 01:11:07,066 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 40 for LOIs [2023-04-03 01:11:07,070 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-03 01:11:07,071 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-03 01:11:07,072 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 43 for LOIs [2023-04-03 01:11:07,264 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-03 01:11:07,267 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 43 for LOIs [2023-04-03 01:11:07,270 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 27 for LOIs [2023-04-03 01:11:07,288 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-03 01:11:07,290 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-03 01:11:07,291 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-03 01:11:07,293 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-03 01:11:07,294 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-03 01:11:15,441 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '18923#(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 01:11:15,441 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-03 01:11:15,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-03 01:11:15,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 15] total 36 [2023-04-03 01:11:15,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876141219] [2023-04-03 01:11:15,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-03 01:11:15,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-04-03 01:11:15,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 01:11:15,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-04-03 01:11:15,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=681, Invalid=10031, Unknown=0, NotChecked=0, Total=10712 [2023-04-03 01:11:15,445 INFO L87 Difference]: Start difference. First operand 1166 states and 1345 transitions. Second operand has 36 states, 27 states have (on average 5.555555555555555) internal successors, (150), 27 states have internal predecessors, (150), 12 states have call successors, (60), 5 states have call predecessors, (60), 18 states have return successors, (65), 21 states have call predecessors, (65), 11 states have call successors, (65) [2023-04-03 01:11:17,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 01:11:17,137 INFO L93 Difference]: Finished difference Result 2159 states and 2589 transitions. [2023-04-03 01:11:17,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-03 01:11:17,137 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 27 states have (on average 5.555555555555555) internal successors, (150), 27 states have internal predecessors, (150), 12 states have call successors, (60), 5 states have call predecessors, (60), 18 states have return successors, (65), 21 states have call predecessors, (65), 11 states have call successors, (65) Word has length 208 [2023-04-03 01:11:17,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 01:11:17,139 INFO L225 Difference]: With dead ends: 2159 [2023-04-03 01:11:17,139 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 01:11:17,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 540 SyntacticMatches, 18 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8771 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=1271, Invalid=18469, Unknown=0, NotChecked=0, Total=19740 [2023-04-03 01:11:17,162 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 890 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 2907 mSolverCounterSat, 881 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 3788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 881 IncrementalHoareTripleChecker+Valid, 2907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-03 01:11:17,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 753 Invalid, 3788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [881 Valid, 2907 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-03 01:11:17,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 01:11:17,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 01:11:17,163 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 01:11:17,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 01:11:17,164 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2023-04-03 01:11:17,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 01:11:17,164 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 01:11:17,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 27 states have (on average 5.555555555555555) internal successors, (150), 27 states have internal predecessors, (150), 12 states have call successors, (60), 5 states have call predecessors, (60), 18 states have return successors, (65), 21 states have call predecessors, (65), 11 states have call successors, (65) [2023-04-03 01:11:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 01:11:17,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 01:11:17,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 01:11:17,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-03 01:11:17,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-03 01:11:17,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 01:11:22,679 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point L289-2(lines 289 310) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point L311(lines 288 312) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 264 319) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point L295(lines 295 299) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 264 319) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 356) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point L346-2(lines 346 371) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 320 379) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point L372(lines 345 373) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point L365(line 365) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point L365-1(line 365) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 320 379) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 320 379) no Hoare annotation was computed. [2023-04-03 01:11:22,680 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 1011 1019) no Hoare annotation was computed. [2023-04-03 01:11:22,681 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1011 1019) the Hoare annotation is: true [2023-04-03 01:11:22,681 INFO L895 garLoopResultBuilder]: At program point L669(line 669) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= main_~tmp~4 1) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:22,681 INFO L895 garLoopResultBuilder]: At program point L669-1(line 669) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= main_~tmp~4 1) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-04-03 01:11:22,681 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 674) no Hoare annotation was computed. [2023-04-03 01:11:22,681 INFO L899 garLoopResultBuilder]: For program point L667-1(lines 667 674) no Hoare annotation was computed. [2023-04-03 01:11:22,681 INFO L899 garLoopResultBuilder]: For program point L665(line 665) no Hoare annotation was computed. [2023-04-03 01:11:22,681 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 657 679) no Hoare annotation was computed. [2023-04-03 01:11:22,681 INFO L895 garLoopResultBuilder]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:22,681 INFO L895 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:22,681 INFO L895 garLoopResultBuilder]: At program point L663-1(line 663) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:22,681 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 657 679) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:22,681 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 611 634) no Hoare annotation was computed. [2023-04-03 01:11:22,681 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 611 634) no Hoare annotation was computed. [2023-04-03 01:11:22,681 INFO L899 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2023-04-03 01:11:22,681 INFO L899 garLoopResultBuilder]: For program point L628(line 628) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L627(line 627) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L626(line 626) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L625(line 625) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L624(line 624) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L622(line 622) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L620(line 620) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L619(line 619) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L618(line 618) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 611 634) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L617(line 617) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L616(line 616) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 958 976) the Hoare annotation is: true [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 958 976) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L902 garLoopResultBuilder]: At program point L965(line 965) the Hoare annotation is: true [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point L965-1(line 965) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 997 1003) no Hoare annotation was computed. [2023-04-03 01:11:22,682 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 997 1003) the Hoare annotation is: true [2023-04-03 01:11:22,682 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 531 576) no Hoare annotation was computed. [2023-04-03 01:11:22,683 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 531 576) no Hoare annotation was computed. [2023-04-03 01:11:22,683 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 137 150) the Hoare annotation is: true [2023-04-03 01:11:22,683 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 137 150) no Hoare annotation was computed. [2023-04-03 01:11:22,683 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 840) no Hoare annotation was computed. [2023-04-03 01:11:22,683 INFO L895 garLoopResultBuilder]: At program point L830(line 830) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:22,683 INFO L899 garLoopResultBuilder]: For program point L830-1(line 830) no Hoare annotation was computed. [2023-04-03 01:11:22,683 INFO L899 garLoopResultBuilder]: For program point L828(lines 828 845) no Hoare annotation was computed. [2023-04-03 01:11:22,683 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 824 848) no Hoare annotation was computed. [2023-04-03 01:11:22,683 INFO L895 garLoopResultBuilder]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) (or .cse2 .cse4 (not (= |old(~pumpRunning~0)| 1)) .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2023-04-03 01:11:22,683 INFO L899 garLoopResultBuilder]: For program point L843-1(lines 824 848) no Hoare annotation was computed. [2023-04-03 01:11:22,683 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 824 848) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) (or .cse2 .cse4 (not (= |old(~pumpRunning~0)| 1)) .cse3 (= ~pumpRunning~0 1)) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2023-04-03 01:11:22,683 INFO L895 garLoopResultBuilder]: At program point L838(line 838) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:22,683 INFO L895 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:22,683 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 790 796) no Hoare annotation was computed. [2023-04-03 01:11:22,683 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 790 796) the Hoare annotation is: true [2023-04-03 01:11:22,683 INFO L895 garLoopResultBuilder]: At program point L739-2(lines 731 744) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse5 .cse1 .cse2))) [2023-04-03 01:11:22,684 INFO L899 garLoopResultBuilder]: For program point L702(lines 701 748) no Hoare annotation was computed. [2023-04-03 01:11:22,684 INFO L895 garLoopResultBuilder]: At program point L733(line 733) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse5 .cse1 .cse2))) [2023-04-03 01:11:22,684 INFO L899 garLoopResultBuilder]: For program point L731(lines 731 744) no Hoare annotation was computed. [2023-04-03 01:11:22,684 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 691 756) no Hoare annotation was computed. [2023-04-03 01:11:22,684 INFO L895 garLoopResultBuilder]: At program point L723(line 723) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~pumpRunning~0)| 0)) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse5 .cse1 .cse2))) [2023-04-03 01:11:22,684 INFO L899 garLoopResultBuilder]: For program point L721(lines 721 727) no Hoare annotation was computed. [2023-04-03 01:11:22,684 INFO L899 garLoopResultBuilder]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2023-04-03 01:11:22,684 INFO L895 garLoopResultBuilder]: At program point L746(lines 701 748) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse5 (= 2 ~waterLevel~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse7 (= ~switchedOnBeforeTS~0 1)) (.cse9 (= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse5 (or (and .cse0 .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse2 .cse6))) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse7 .cse3 .cse8) (and .cse5 .cse1 .cse2 .cse8) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse6) (and .cse0 .cse1 .cse2 .cse9) (and .cse1 .cse2 .cse7 .cse9 .cse8))) [2023-04-03 01:11:22,684 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 691 756) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:22,684 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: (let ((.cse3 (or (<= |old(~waterLevel~0)| 0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 .cse2 .cse6) (and .cse1 .cse2 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2))) [2023-04-03 01:11:22,684 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 717) no Hoare annotation was computed. [2023-04-03 01:11:22,684 INFO L899 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2023-04-03 01:11:22,693 INFO L895 garLoopResultBuilder]: At program point L749(lines 700 750) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:22,693 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 691 756) no Hoare annotation was computed. [2023-04-03 01:11:22,693 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 849 856) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:11:22,693 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 849 856) no Hoare annotation was computed. [2023-04-03 01:11:22,693 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 151 159) the Hoare annotation is: true [2023-04-03 01:11:22,693 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 151 159) no Hoare annotation was computed. [2023-04-03 01:11:22,693 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 105 127) no Hoare annotation was computed. [2023-04-03 01:11:22,693 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 105 127) no Hoare annotation was computed. [2023-04-03 01:11:22,693 INFO L899 garLoopResultBuilder]: For program point L865(lines 865 871) no Hoare annotation was computed. [2023-04-03 01:11:22,693 INFO L895 garLoopResultBuilder]: At program point L863(line 863) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:11:22,693 INFO L899 garLoopResultBuilder]: For program point L863-1(line 863) no Hoare annotation was computed. [2023-04-03 01:11:22,693 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 858 874) no Hoare annotation was computed. [2023-04-03 01:11:22,693 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 858 874) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:11:22,693 INFO L895 garLoopResultBuilder]: At program point L869(line 869) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-03 01:11:22,694 INFO L899 garLoopResultBuilder]: For program point L869-1(lines 858 874) no Hoare annotation was computed. [2023-04-03 01:11:22,694 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 128 136) the Hoare annotation is: true [2023-04-03 01:11:22,694 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 128 136) no Hoare annotation was computed. [2023-04-03 01:11:22,694 INFO L899 garLoopResultBuilder]: For program point L946-1(line 946) no Hoare annotation was computed. [2023-04-03 01:11:22,694 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 939 957) no Hoare annotation was computed. [2023-04-03 01:11:22,694 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 939 957) the Hoare annotation is: true [2023-04-03 01:11:22,694 INFO L902 garLoopResultBuilder]: At program point L946(line 946) the Hoare annotation is: true [2023-04-03 01:11:22,694 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 96 104) the Hoare annotation is: true [2023-04-03 01:11:22,694 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2023-04-03 01:11:22,694 INFO L899 garLoopResultBuilder]: For program point L768(lines 766 788) no Hoare annotation was computed. [2023-04-03 01:11:22,694 INFO L895 garLoopResultBuilder]: At program point L779(line 779) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse3 (and .cse4 .cse10 .cse5)) (.cse2 (not (= 1 ~systemActive~0))) (.cse9 (= ~switchedOnBeforeTS~0 1)) (.cse12 (= ~waterLevel~0 1)) (.cse11 (= ~pumpRunning~0 1)) (.cse8 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 (< |old(~switchedOnBeforeTS~0)| 1) .cse2 .cse3) (or .cse1 .cse2 (and .cse4 (= 2 ~waterLevel~0) .cse5) (<= |old(~waterLevel~0)| 1) .cse6) (or .cse0 .cse7 .cse2 .cse8 (and .cse9 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse10)) .cse11)) (or .cse1 (and .cse4 .cse12 .cse5) (not (= |old(~waterLevel~0)| 1)) .cse2) (or .cse7 .cse1 .cse2 .cse6 .cse3) (or .cse2 (and .cse9 .cse12 .cse11) .cse8 (not (= |old(~waterLevel~0)| 2)))))) [2023-04-03 01:11:22,694 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 763 789) no Hoare annotation was computed. [2023-04-03 01:11:22,694 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 763 789) the Hoare annotation is: (let ((.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse12 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (not (= 1 ~systemActive~0)))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (let ((.cse13 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse5 .cse13 .cse8) (or .cse12 .cse5 .cse13)))) (.cse10 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and (= ~switchedOnBeforeTS~0 1) .cse1 .cse2) .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse5 (and .cse6 (= ~waterLevel~0 1))) (or .cse4 .cse7 .cse5 .cse8 .cse9) (or .cse4 .cse5 (and .cse6 .cse10) (<= |old(~waterLevel~0)| 1) .cse11) (or .cse0 .cse4 .cse7 .cse5 (and .cse6 .cse1 .cse9)) (or .cse3 .cse8 (and .cse10 .cse2)) (or .cse12 .cse4 .cse5 .cse11 (and .cse6 .cse1 (= ~switchedOnBeforeTS~0 0)))))) [2023-04-03 01:11:22,694 INFO L895 garLoopResultBuilder]: At program point L777(lines 777 783) the Hoare annotation is: (let ((.cse7 (= 2 ~waterLevel~0)) (.cse10 (= |old(~waterLevel~0)| 2)) (.cse12 (= ~pumpRunning~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse14 (= 1 ~systemActive~0)) (.cse15 (= |old(~pumpRunning~0)| 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~switchedOnBeforeTS~0 0))) (let ((.cse1 (and .cse6 .cse14 .cse15 .cse13 .cse8)) (.cse4 (and .cse7 .cse14 .cse10 .cse12)) (.cse2 (not .cse15)) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse3 (not .cse14)) (.cse5 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse3 (and .cse6 .cse7 .cse8) .cse4 (<= |old(~waterLevel~0)| 1) .cse5) (or .cse1 .cse2 (< |old(~switchedOnBeforeTS~0)| 1) .cse3 .cse4 .cse5) (or .cse2 (and .cse6 (= ~waterLevel~0 1) .cse8) (not (= |old(~waterLevel~0)| 1)) .cse3) (let ((.cse11 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse13)))) (or (let ((.cse9 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse3 .cse9 (not .cse10)) (or .cse0 .cse3 .cse9))) (and .cse6 .cse11 (<= 1 ~switchedOnBeforeTS~0)) (and (= ~switchedOnBeforeTS~0 1) .cse11 .cse12) .cse5))))) [2023-04-03 01:11:22,695 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 763 789) no Hoare annotation was computed. [2023-04-03 01:11:22,695 INFO L895 garLoopResultBuilder]: At program point L772(line 772) the Hoare annotation is: (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (<= |old(~waterLevel~0)| 1) .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse3 .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1) (or (and (= ~switchedOnBeforeTS~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1)) (let ((.cse4 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse1 .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse5 .cse1 .cse4))) .cse2) (or .cse3 .cse5 .cse0 .cse1))) [2023-04-03 01:11:22,695 INFO L899 garLoopResultBuilder]: For program point L770(lines 766 788) no Hoare annotation was computed. [2023-04-03 01:11:22,695 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 580 609) no Hoare annotation was computed. [2023-04-03 01:11:22,695 INFO L902 garLoopResultBuilder]: At program point L605(lines 580 609) the Hoare annotation is: true [2023-04-03 01:11:22,695 INFO L899 garLoopResultBuilder]: For program point L601(line 601) no Hoare annotation was computed. [2023-04-03 01:11:22,695 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2023-04-03 01:11:22,695 INFO L902 garLoopResultBuilder]: At program point L594-1(lines 594 598) the Hoare annotation is: true [2023-04-03 01:11:22,695 INFO L902 garLoopResultBuilder]: At program point L590-2(lines 590 604) the Hoare annotation is: true [2023-04-03 01:11:22,695 INFO L902 garLoopResultBuilder]: At program point L586(line 586) the Hoare annotation is: true [2023-04-03 01:11:22,695 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 580 609) the Hoare annotation is: true [2023-04-03 01:11:22,695 INFO L899 garLoopResultBuilder]: For program point L586-1(line 586) no Hoare annotation was computed. [2023-04-03 01:11:22,695 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 60 71) no Hoare annotation was computed. [2023-04-03 01:11:22,695 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 60 71) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 1)) (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (< 2 |old(~waterLevel~0)|)) [2023-04-03 01:11:22,695 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 977 984) no Hoare annotation was computed. [2023-04-03 01:11:22,695 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 977 984) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 1))) (.cse6 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (< 2 ~waterLevel~0)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse5 (< 1 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (or .cse4 .cse5 (< ~switchedOnBeforeTS~0 1) .cse1 .cse2) (or .cse0 .cse4 .cse1 .cse2 .cse6) (or .cse5 .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse4 .cse1 .cse2 (< ~waterLevel~0 2)) (or .cse4 (< ~waterLevel~0 1) .cse5 .cse1 .cse2))) [2023-04-03 01:11:22,695 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 798 822) no Hoare annotation was computed. [2023-04-03 01:11:22,696 INFO L895 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)))) [2023-04-03 01:11:22,696 INFO L899 garLoopResultBuilder]: For program point L817-1(lines 798 822) no Hoare annotation was computed. [2023-04-03 01:11:22,696 INFO L895 garLoopResultBuilder]: At program point L812(line 812) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (or (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0) (<= 2 ~waterLevel~0))) .cse1))) [2023-04-03 01:11:22,696 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 798 822) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) (or .cse2 .cse4 (not (= |old(~pumpRunning~0)| 1)) .cse3 (= ~pumpRunning~0 1)) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2023-04-03 01:11:22,696 INFO L895 garLoopResultBuilder]: At program point L808(line 808) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse3 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or .cse0 .cse1 .cse3 .cse2))) [2023-04-03 01:11:22,696 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 814) no Hoare annotation was computed. [2023-04-03 01:11:22,696 INFO L895 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse3) (or .cse2 .cse4 (not (= |old(~pumpRunning~0)| 1)) .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2023-04-03 01:11:22,696 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2023-04-03 01:11:22,696 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 819) no Hoare annotation was computed. [2023-04-03 01:11:22,696 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2023-04-03 01:11:22,696 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 72 83) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse11 (not (= ~pumpRunning~0 1))) (.cse9 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse7 (not (= ~pumpRunning~0 0))) (.cse8 (not (= 1 ~systemActive~0)))) (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (and (or .cse7 .cse8 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|)) (or .cse6 (< |old(~waterLevel~0)| 1) .cse7 .cse8))) (.cse3 (and (or .cse8 .cse11 .cse1) (or .cse8 .cse11 .cse9))) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse2) (or .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse6 .cse10 .cse3) (or .cse6 .cse7 .cse8 (< ~switchedOnBeforeTS~0 1) .cse10) (or .cse4 .cse8 .cse11 .cse5)))) [2023-04-03 01:11:22,696 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 681 688) the Hoare annotation is: true [2023-04-03 01:11:22,696 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2023-04-03 01:11:22,696 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 681 688) no Hoare annotation was computed. [2023-04-03 01:11:22,696 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 1004 1010) the Hoare annotation is: true [2023-04-03 01:11:22,697 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 1004 1010) no Hoare annotation was computed. [2023-04-03 01:11:22,697 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 164 171) no Hoare annotation was computed. [2023-04-03 01:11:22,697 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 164 171) 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) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:11:22,697 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2023-04-03 01:11:22,697 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 172 181) no Hoare annotation was computed. [2023-04-03 01:11:22,697 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 172 181) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse4 (= ~switchedOnBeforeTS~0 0)) (.cse0 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< 2 ~waterLevel~0) .cse1 (< |old(~switchedOnBeforeTS~0)| 1) .cse2 (<= 1 ~switchedOnBeforeTS~0)) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0)) .cse4) (or .cse0 .cse2 .cse3 (= ~switchedOnBeforeTS~0 1) (not (= ~pumpRunning~0 1))))) [2023-04-03 01:11:22,697 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< 1 ~waterLevel~0)) (.cse5 (not (= ~pumpRunning~0 1))) (.cse3 (= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse4 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) .cse3) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< 2 ~waterLevel~0) .cse1 .cse5 (< ~waterLevel~0 2)) (or .cse1 .cse2 .cse5 .cse3 .cse4))) [2023-04-03 01:11:22,697 INFO L899 garLoopResultBuilder]: For program point L192-1(line 192) no Hoare annotation was computed. [2023-04-03 01:11:22,697 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 207) no Hoare annotation was computed. [2023-04-03 01:11:22,697 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 182 210) no Hoare annotation was computed. [2023-04-03 01:11:22,697 INFO L902 garLoopResultBuilder]: At program point L188(line 188) the Hoare annotation is: true [2023-04-03 01:11:22,697 INFO L899 garLoopResultBuilder]: For program point L188-1(line 188) no Hoare annotation was computed. [2023-04-03 01:11:22,697 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 182 210) no Hoare annotation was computed. [2023-04-03 01:11:22,697 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 182 210) the Hoare annotation is: true [2023-04-03 01:11:22,697 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse4 (not (= ~pumpRunning~0 1))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse1 .cse3 .cse2) (or (< 2 ~waterLevel~0) .cse1 .cse4 (< ~waterLevel~0 2)) (or .cse0 .cse1 .cse3 (< ~switchedOnBeforeTS~0 1)))) [2023-04-03 01:11:22,697 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 201) no Hoare annotation was computed. [2023-04-03 01:11:22,697 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 204) no Hoare annotation was computed. [2023-04-03 01:11:22,697 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 894 902) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 894 902) the Hoare annotation is: true [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 903 938) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point L933(line 933) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point L933-1(line 933) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 903 938) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 218 263) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 218 263) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 643 653) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 643 653) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:22,698 INFO L895 garLoopResultBuilder]: At program point L648(line 648) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 643 653) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 883 893) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 883 893) the Hoare annotation is: true [2023-04-03 01:11:22,698 INFO L902 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: true [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 875 882) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 875 882) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 485 530) no Hoare annotation was computed. [2023-04-03 01:11:22,698 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 485 530) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point L411(lines 411 427) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point L432(lines 431 451) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point L463-1(line 463) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point L428(lines 428 469) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 382 484) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 382 484) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point L447-1(line 447) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 382 484) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point L431-2(lines 431 451) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point L452(lines 430 453) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 987 996) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 987 996) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 84 95) the Hoare annotation is: true [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2023-04-03 01:11:22,699 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:11:22,700 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 01:11:22,700 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 635 641) no Hoare annotation was computed. [2023-04-03 01:11:22,700 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 635 641) the Hoare annotation is: true [2023-04-03 01:11:22,700 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 01:11:22,700 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) [2023-04-03 01:11:22,700 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 01:11:22,700 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 01:11:22,707 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 01:11:22,708 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 01:11:22,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 01:11:22 BoogieIcfgContainer [2023-04-03 01:11:22,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 01:11:22,717 INFO L158 Benchmark]: Toolchain (without parser) took 52116.88ms. Allocated memory was 191.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 146.3MB in the beginning and 734.0MB in the end (delta: -587.7MB). Peak memory consumption was 754.3MB. Max. memory is 8.0GB. [2023-04-03 01:11:22,717 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory was 139.4MB in the beginning and 139.3MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 01:11:22,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.13ms. Allocated memory is still 191.9MB. Free memory was 146.3MB in the beginning and 127.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-03 01:11:22,718 INFO L158 Benchmark]: Boogie Preprocessor took 61.13ms. Allocated memory is still 191.9MB. Free memory was 127.3MB in the beginning and 123.9MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-03 01:11:22,718 INFO L158 Benchmark]: RCFGBuilder took 757.25ms. Allocated memory was 191.9MB in the beginning and 342.9MB in the end (delta: 151.0MB). Free memory was 123.5MB in the beginning and 272.6MB in the end (delta: -149.1MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. [2023-04-03 01:11:22,718 INFO L158 Benchmark]: TraceAbstraction took 50963.94ms. Allocated memory was 342.9MB in the beginning and 1.3GB in the end (delta: 921.7MB). Free memory was 271.6MB in the beginning and 734.0MB in the end (delta: -462.4MB). Peak memory consumption was 727.7MB. Max. memory is 8.0GB. [2023-04-03 01:11:22,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 191.9MB. Free memory was 139.4MB in the beginning and 139.3MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 330.13ms. Allocated memory is still 191.9MB. Free memory was 146.3MB in the beginning and 127.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 61.13ms. Allocated memory is still 191.9MB. Free memory was 127.3MB in the beginning and 123.9MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 757.25ms. Allocated memory was 191.9MB in the beginning and 342.9MB in the end (delta: 151.0MB). Free memory was 123.5MB in the beginning and 272.6MB in the end (delta: -149.1MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. * TraceAbstraction took 50963.94ms. Allocated memory was 342.9MB in the beginning and 1.3GB in the end (delta: 921.7MB). Free memory was 271.6MB in the beginning and 734.0MB in the end (delta: -462.4MB). Peak memory consumption was 727.7MB. 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: 685]: 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 45 procedures, 203 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 50.9s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2459 SdHoareTripleChecker+Valid, 3.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2389 mSDsluCounter, 6292 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5078 mSDsCounter, 1711 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7566 IncrementalHoareTripleChecker+Invalid, 9277 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1711 mSolverCounterUnsat, 1214 mSDtfsCounter, 7566 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1892 GetRequests, 1457 SyntacticMatches, 56 SemanticMatches, 379 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17087 ImplicationChecksByTransitivity, 22.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1166occurred in iteration=9, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 478 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2080 PreInvPairs, 2250 NumberOfFragments, 2826 HoareAnnotationTreeSize, 2080 FomulaSimplifications, 29750 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 69 FomulaSimplificationsInter, 26674 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1607 NumberOfCodeBlocks, 1607 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2148 ConstructedInterpolants, 0 QuantifiedInterpolants, 3832 SizeOfPredicates, 19 NumberOfNonLiveVariables, 2011 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 820/899 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: 701]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel))) && pumpRunning == switchedOnBeforeTS)) || !(\old(waterLevel) == 1)) || (2 == waterLevel && ((((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && pumpRunning == switchedOnBeforeTS) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && 1 <= switchedOnBeforeTS)))) || !(\old(systemActive) == 1)) || ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel))) && pumpRunning == 1)) || (((2 == waterLevel && splverifierCounter == 0) && 1 == systemActive) && pumpRunning == 1)) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && 1 == systemActive) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel == 1) && pumpRunning == 1) - InvariantResult [Line: 590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 01:11:22,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...