/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 IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:59:13,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:59:13,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:59:13,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:59:13,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:59:13,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:59:13,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:59:13,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:59:13,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:59:13,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:59:13,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:59:13,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:59:13,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:59:13,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:59:13,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:59:13,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:59:13,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:59:13,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:59:13,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:59:13,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:59:13,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:59:13,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:59:13,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:59:13,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:59:13,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:59:13,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:59:13,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:59:13,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:59:13,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:59:13,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:59:13,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:59:13,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:59:13,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:59:13,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:59:13,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:59:13,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:59:13,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:59:13,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:59:13,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:59:13,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:59:13,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:59:13,495 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 [2023-03-31 23:59:13,519 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:59:13,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:59:13,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:59:13,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:59:13,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:59:13,520 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:59:13,520 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:59:13,520 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:59:13,521 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:59:13,521 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:59:13,521 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:59:13,521 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:59:13,521 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:59:13,521 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:59:13,522 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:59:13,522 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:59:13,522 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:59:13,522 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:59:13,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:59:13,522 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:59:13,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:59:13,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:59:13,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:59:13,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:59:13,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:59:13,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:59:13,523 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:59:13,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:59:13,523 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:59:13,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:59:13,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:59:13,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:59:13,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:59:13,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:59:13,524 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:59:13,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:59:13,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:59:13,524 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:59:13,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:59:13,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:59:13,524 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:59:13,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:59:13,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:59:13,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:59:13,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:59:13,731 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:59:13,732 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:59:13,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2023-03-31 23:59:14,731 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:59:14,883 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:59:14,884 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2023-03-31 23:59:14,890 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b90a172/7649ba0c473f4c7084619293c734fd39/FLAGd422283e3 [2023-03-31 23:59:14,900 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48b90a172/7649ba0c473f4c7084619293c734fd39 [2023-03-31 23:59:14,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:59:14,902 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:59:14,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:59:14,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:59:14,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:59:14,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:59:14" (1/1) ... [2023-03-31 23:59:14,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f905b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:14, skipping insertion in model container [2023-03-31 23:59:14,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:59:14" (1/1) ... [2023-03-31 23:59:14,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:59:14,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:59:15,147 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_product46.cil.c[15211,15224] [2023-03-31 23:59:15,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:59:15,181 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:59:15,223 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_product46.cil.c[15211,15224] [2023-03-31 23:59:15,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:59:15,250 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:59:15,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:15 WrapperNode [2023-03-31 23:59:15,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:59:15,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:59:15,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:59:15,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:59:15,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:15" (1/1) ... [2023-03-31 23:59:15,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:15" (1/1) ... [2023-03-31 23:59:15,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:15" (1/1) ... [2023-03-31 23:59:15,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:15" (1/1) ... [2023-03-31 23:59:15,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:15" (1/1) ... [2023-03-31 23:59:15,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:15" (1/1) ... [2023-03-31 23:59:15,294 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:15" (1/1) ... [2023-03-31 23:59:15,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:15" (1/1) ... [2023-03-31 23:59:15,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:59:15,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:59:15,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:59:15,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:59:15,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:15" (1/1) ... [2023-03-31 23:59:15,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:59:15,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:15,336 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) [2023-03-31 23:59:15,338 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 [2023-03-31 23:59:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:59:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:59:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:59:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:59:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-03-31 23:59:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-03-31 23:59:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-03-31 23:59:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 23:59:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 23:59:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:59:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 23:59:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:59:15,367 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:59:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:59:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:59:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:59:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 23:59:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 23:59:15,368 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 23:59:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 23:59:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-03-31 23:59:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 23:59:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 23:59:15,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 23:59:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 23:59:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 23:59:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-03-31 23:59:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 23:59:15,370 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:59:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:59:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:59:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:59:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:59:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:59:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:59:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:59:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 23:59:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 23:59:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-03-31 23:59:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-03-31 23:59:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-03-31 23:59:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 23:59:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 23:59:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 23:59:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 23:59:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:59:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:59:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:59:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:59:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:59:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:59:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:59:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:59:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:59:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:59:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 23:59:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 23:59:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 23:59:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-03-31 23:59:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:59:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 23:59:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 23:59:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 23:59:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 23:59:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 23:59:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-03-31 23:59:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 23:59:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 23:59:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-03-31 23:59:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:59:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:59:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:59:15,521 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:59:15,526 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:59:15,954 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:59:16,045 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:59:16,045 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 23:59:16,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:59:16 BoogieIcfgContainer [2023-03-31 23:59:16,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:59:16,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:59:16,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:59:16,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:59:16,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:59:14" (1/3) ... [2023-03-31 23:59:16,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280a4df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:59:16, skipping insertion in model container [2023-03-31 23:59:16,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:59:15" (2/3) ... [2023-03-31 23:59:16,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@280a4df3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:59:16, skipping insertion in model container [2023-03-31 23:59:16,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:59:16" (3/3) ... [2023-03-31 23:59:16,053 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2023-03-31 23:59:16,064 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:59:16,064 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:59:16,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:59:16,104 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;@128f0449, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:59:16,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:59:16,107 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 86 states have internal predecessors, (91), 51 states have call successors, (51), 32 states have call predecessors, (51), 32 states have return successors, (51), 47 states have call predecessors, (51), 51 states have call successors, (51) [2023-03-31 23:59:16,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-03-31 23:59:16,116 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:16,121 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] [2023-03-31 23:59:16,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:16,125 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:16,125 INFO L85 PathProgramCache]: Analyzing trace with hash 273949622, now seen corresponding path program 1 times [2023-03-31 23:59:16,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:16,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780886861] [2023-03-31 23:59:16,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:16,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:16,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:16,273 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:16,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780886861] [2023-03-31 23:59:16,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780886861] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:16,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:16,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:59:16,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94504695] [2023-03-31 23:59:16,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:16,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:59:16,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:16,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:59:16,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:59:16,306 INFO L87 Difference]: Start difference. First operand has 158 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 86 states have internal predecessors, (91), 51 states have call successors, (51), 32 states have call predecessors, (51), 32 states have return successors, (51), 47 states have call predecessors, (51), 51 states have call successors, (51) 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) [2023-03-31 23:59:16,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:16,366 INFO L93 Difference]: Finished difference Result 246 states and 297 transitions. [2023-03-31 23:59:16,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:59:16,368 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 [2023-03-31 23:59:16,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:16,373 INFO L225 Difference]: With dead ends: 246 [2023-03-31 23:59:16,373 INFO L226 Difference]: Without dead ends: 125 [2023-03-31 23:59:16,376 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 [2023-03-31 23:59:16,378 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:16,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:59:16,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-03-31 23:59:16,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2023-03-31 23:59:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 63 states have (on average 1.2222222222222223) internal successors, (77), 74 states have internal predecessors, (77), 36 states have call successors, (36), 30 states have call predecessors, (36), 25 states have return successors, (31), 27 states have call predecessors, (31), 31 states have call successors, (31) [2023-03-31 23:59:16,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2023-03-31 23:59:16,409 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 52 [2023-03-31 23:59:16,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:16,409 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2023-03-31 23:59:16,409 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) [2023-03-31 23:59:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2023-03-31 23:59:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-03-31 23:59:16,411 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:16,411 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] [2023-03-31 23:59:16,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:59:16,412 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:16,412 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:16,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1857940341, now seen corresponding path program 1 times [2023-03-31 23:59:16,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:16,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445941734] [2023-03-31 23:59:16,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:16,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:16,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:16,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:16,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445941734] [2023-03-31 23:59:16,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445941734] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:16,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:16,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:59:16,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929361735] [2023-03-31 23:59:16,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:16,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:59:16,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:16,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:59:16,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:59:16,486 INFO L87 Difference]: Start difference. First operand 125 states and 144 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) [2023-03-31 23:59:16,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:16,517 INFO L93 Difference]: Finished difference Result 200 states and 231 transitions. [2023-03-31 23:59:16,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:59:16,517 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 [2023-03-31 23:59:16,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:16,518 INFO L225 Difference]: With dead ends: 200 [2023-03-31 23:59:16,519 INFO L226 Difference]: Without dead ends: 117 [2023-03-31 23:59:16,519 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 [2023-03-31 23:59:16,520 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 9 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:16,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 217 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:59:16,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-03-31 23:59:16,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-03-31 23:59:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 69 states have internal predecessors, (71), 33 states have call successors, (33), 29 states have call predecessors, (33), 25 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2023-03-31 23:59:16,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 133 transitions. [2023-03-31 23:59:16,529 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 133 transitions. Word has length 53 [2023-03-31 23:59:16,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:16,529 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 133 transitions. [2023-03-31 23:59:16,529 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) [2023-03-31 23:59:16,529 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2023-03-31 23:59:16,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-03-31 23:59:16,531 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:16,531 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] [2023-03-31 23:59:16,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:59:16,531 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:16,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:16,531 INFO L85 PathProgramCache]: Analyzing trace with hash -2072365794, now seen corresponding path program 1 times [2023-03-31 23:59:16,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:16,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431160584] [2023-03-31 23:59:16,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:16,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:16,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:16,687 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:16,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431160584] [2023-03-31 23:59:16,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431160584] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:16,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:16,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:59:16,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198766219] [2023-03-31 23:59:16,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:16,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:59:16,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:16,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:59:16,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:59:16,689 INFO L87 Difference]: Start difference. First operand 117 states and 133 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) [2023-03-31 23:59:16,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:16,889 INFO L93 Difference]: Finished difference Result 209 states and 242 transitions. [2023-03-31 23:59:16,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 23:59:16,889 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 [2023-03-31 23:59:16,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:16,895 INFO L225 Difference]: With dead ends: 209 [2023-03-31 23:59:16,895 INFO L226 Difference]: Without dead ends: 117 [2023-03-31 23:59:16,900 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 [2023-03-31 23:59:16,902 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 179 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:16,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 319 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:59:16,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-03-31 23:59:16,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-03-31 23:59:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 58 states have (on average 1.206896551724138) internal successors, (70), 68 states have internal predecessors, (70), 33 states have call successors, (33), 29 states have call predecessors, (33), 25 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2023-03-31 23:59:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 132 transitions. [2023-03-31 23:59:16,915 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 132 transitions. Word has length 56 [2023-03-31 23:59:16,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:16,916 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 132 transitions. [2023-03-31 23:59:16,921 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) [2023-03-31 23:59:16,922 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 132 transitions. [2023-03-31 23:59:16,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-03-31 23:59:16,929 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:16,929 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] [2023-03-31 23:59:16,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:59:16,929 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:16,932 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:16,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1541365364, now seen corresponding path program 1 times [2023-03-31 23:59:16,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:16,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424429175] [2023-03-31 23:59:16,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:16,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:17,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:17,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:17,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424429175] [2023-03-31 23:59:17,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424429175] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:17,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:17,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-03-31 23:59:17,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961593496] [2023-03-31 23:59:17,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:17,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 23:59:17,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:17,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 23:59:17,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-03-31 23:59:17,132 INFO L87 Difference]: Start difference. First operand 117 states and 132 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) [2023-03-31 23:59:17,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:17,430 INFO L93 Difference]: Finished difference Result 311 states and 367 transitions. [2023-03-31 23:59:17,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 23:59:17,430 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 [2023-03-31 23:59:17,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:17,434 INFO L225 Difference]: With dead ends: 311 [2023-03-31 23:59:17,434 INFO L226 Difference]: Without dead ends: 219 [2023-03-31 23:59:17,436 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 [2023-03-31 23:59:17,443 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, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:17,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 154 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:59:17,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-03-31 23:59:17,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 202. [2023-03-31 23:59:17,475 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) [2023-03-31 23:59:17,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 225 transitions. [2023-03-31 23:59:17,478 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 225 transitions. Word has length 69 [2023-03-31 23:59:17,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:17,478 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 225 transitions. [2023-03-31 23:59:17,479 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) [2023-03-31 23:59:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 225 transitions. [2023-03-31 23:59:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-03-31 23:59:17,480 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:17,481 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] [2023-03-31 23:59:17,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:59:17,481 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:17,481 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:17,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1327642342, now seen corresponding path program 1 times [2023-03-31 23:59:17,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:17,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460796816] [2023-03-31 23:59:17,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:17,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-31 23:59:17,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:17,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460796816] [2023-03-31 23:59:17,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460796816] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:17,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:17,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:59:17,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933148901] [2023-03-31 23:59:17,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:17,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:59:17,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:17,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:59:17,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:59:17,630 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) [2023-03-31 23:59:17,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:17,931 INFO L93 Difference]: Finished difference Result 395 states and 455 transitions. [2023-03-31 23:59:17,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 23:59:17,932 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 [2023-03-31 23:59:17,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:17,933 INFO L225 Difference]: With dead ends: 395 [2023-03-31 23:59:17,933 INFO L226 Difference]: Without dead ends: 218 [2023-03-31 23:59:17,934 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 [2023-03-31 23:59:17,934 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 134 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:17,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 263 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 23:59:17,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-03-31 23:59:17,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 201. [2023-03-31 23:59:17,950 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) [2023-03-31 23:59:17,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 222 transitions. [2023-03-31 23:59:17,951 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 222 transitions. Word has length 78 [2023-03-31 23:59:17,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:17,952 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 222 transitions. [2023-03-31 23:59:17,952 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) [2023-03-31 23:59:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 222 transitions. [2023-03-31 23:59:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-03-31 23:59:17,953 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:17,953 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] [2023-03-31 23:59:17,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:59:17,954 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:17,954 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:17,954 INFO L85 PathProgramCache]: Analyzing trace with hash -237454254, now seen corresponding path program 1 times [2023-03-31 23:59:17,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:17,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949494134] [2023-03-31 23:59:17,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:17,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:18,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:18,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949494134] [2023-03-31 23:59:18,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949494134] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:18,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:18,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 23:59:18,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187396052] [2023-03-31 23:59:18,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:18,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 23:59:18,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:18,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 23:59:18,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-03-31 23:59:18,222 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) [2023-03-31 23:59:18,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:18,582 INFO L93 Difference]: Finished difference Result 526 states and 603 transitions. [2023-03-31 23:59:18,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-03-31 23:59:18,583 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 [2023-03-31 23:59:18,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:18,585 INFO L225 Difference]: With dead ends: 526 [2023-03-31 23:59:18,585 INFO L226 Difference]: Without dead ends: 350 [2023-03-31 23:59:18,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-03-31 23:59:18,586 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 247 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:18,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 880 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:59:18,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-03-31 23:59:18,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 341. [2023-03-31 23:59:18,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 184 states have (on average 1.1630434782608696) internal successors, (214), 200 states have internal predecessors, (214), 80 states have call successors, (80), 75 states have call predecessors, (80), 76 states have return successors, (94), 79 states have call predecessors, (94), 76 states have call successors, (94) [2023-03-31 23:59:18,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 388 transitions. [2023-03-31 23:59:18,609 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 388 transitions. Word has length 91 [2023-03-31 23:59:18,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:18,609 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 388 transitions. [2023-03-31 23:59:18,609 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) [2023-03-31 23:59:18,609 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 388 transitions. [2023-03-31 23:59:18,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-03-31 23:59:18,610 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:18,610 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] [2023-03-31 23:59:18,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 23:59:18,611 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:18,611 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:18,611 INFO L85 PathProgramCache]: Analyzing trace with hash 2121639889, now seen corresponding path program 1 times [2023-03-31 23:59:18,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:18,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098280659] [2023-03-31 23:59:18,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:18,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:18,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-03-31 23:59:18,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:18,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098280659] [2023-03-31 23:59:18,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098280659] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:59:18,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:59:18,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 23:59:18,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552283802] [2023-03-31 23:59:18,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:59:18,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 23:59:18,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:18,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 23:59:18,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-03-31 23:59:18,751 INFO L87 Difference]: Start difference. First operand 341 states and 388 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) [2023-03-31 23:59:19,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:19,206 INFO L93 Difference]: Finished difference Result 1059 states and 1240 transitions. [2023-03-31 23:59:19,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-31 23:59:19,206 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 [2023-03-31 23:59:19,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:19,209 INFO L225 Difference]: With dead ends: 1059 [2023-03-31 23:59:19,209 INFO L226 Difference]: Without dead ends: 804 [2023-03-31 23:59:19,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-03-31 23:59:19,210 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 319 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:19,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 566 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 23:59:19,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2023-03-31 23:59:19,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 699. [2023-03-31 23:59:19,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 382 states have (on average 1.1701570680628273) internal successors, (447), 414 states have internal predecessors, (447), 158 states have call successors, (158), 149 states have call predecessors, (158), 158 states have return successors, (197), 162 states have call predecessors, (197), 154 states have call successors, (197) [2023-03-31 23:59:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 802 transitions. [2023-03-31 23:59:19,252 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 802 transitions. Word has length 94 [2023-03-31 23:59:19,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:19,252 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 802 transitions. [2023-03-31 23:59:19,252 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) [2023-03-31 23:59:19,252 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 802 transitions. [2023-03-31 23:59:19,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-03-31 23:59:19,253 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:19,253 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:19,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 23:59:19,254 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:19,254 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:19,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1753460378, now seen corresponding path program 1 times [2023-03-31 23:59:19,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:19,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435825784] [2023-03-31 23:59:19,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:19,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-03-31 23:59:19,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:19,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435825784] [2023-03-31 23:59:19,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435825784] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:59:19,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060600483] [2023-03-31 23:59:19,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:19,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:19,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:19,389 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) [2023-03-31 23:59:19,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:59:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:19,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 23:59:19,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:59:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:59:19,740 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:59:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-03-31 23:59:20,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060600483] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:59:20,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1864209188] [2023-03-31 23:59:20,063 INFO L159 IcfgInterpreter]: Started Sifa with 107 locations of interest [2023-03-31 23:59:20,063 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:59:20,065 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:59:20,068 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:59:20,069 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:59:20,202 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:59:20,249 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-31 23:59:20,378 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-03-31 23:59:20,418 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-03-31 23:59:21,049 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 33 for LOIs [2023-03-31 23:59:21,059 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2023-03-31 23:59:21,135 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 32 for LOIs [2023-03-31 23:59:21,167 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 35 for LOIs [2023-03-31 23:59:21,285 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 32 for LOIs [2023-03-31 23:59:21,368 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 28 for LOIs [2023-03-31 23:59:21,388 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 28 for LOIs [2023-03-31 23:59:21,392 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-03-31 23:59:21,441 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 30 for LOIs [2023-03-31 23:59:21,492 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 30 for LOIs [2023-03-31 23:59:21,498 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 30 for LOIs [2023-03-31 23:59:21,501 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 29 for LOIs [2023-03-31 23:59:21,502 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:59:21,504 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:59:21,505 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 26 for LOIs [2023-03-31 23:59:21,548 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2023-03-31 23:59:21,553 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 26 for LOIs [2023-03-31 23:59:21,555 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 23 for LOIs [2023-03-31 23:59:21,566 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 28 for LOIs [2023-03-31 23:59:21,570 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-03-31 23:59:21,574 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:59:21,576 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:59:21,578 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:59:24,921 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8013#(and (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:59:24,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:59:24,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:59:24,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-03-31 23:59:24,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152543552] [2023-03-31 23:59:24,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:59:24,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 23:59:24,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:24,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 23:59:24,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=413, Invalid=4699, Unknown=0, NotChecked=0, Total=5112 [2023-03-31 23:59:24,925 INFO L87 Difference]: Start difference. First operand 699 states and 802 transitions. Second operand has 19 states, 12 states have (on average 10.0) internal successors, (120), 15 states have internal predecessors, (120), 7 states have call successors, (54), 6 states have call predecessors, (54), 11 states have return successors, (54), 10 states have call predecessors, (54), 6 states have call successors, (54) [2023-03-31 23:59:25,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:25,676 INFO L93 Difference]: Finished difference Result 1557 states and 1839 transitions. [2023-03-31 23:59:25,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-03-31 23:59:25,677 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 12 states have (on average 10.0) internal successors, (120), 15 states have internal predecessors, (120), 7 states have call successors, (54), 6 states have call predecessors, (54), 11 states have return successors, (54), 10 states have call predecessors, (54), 6 states have call successors, (54) Word has length 146 [2023-03-31 23:59:25,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:25,683 INFO L225 Difference]: With dead ends: 1557 [2023-03-31 23:59:25,683 INFO L226 Difference]: Without dead ends: 941 [2023-03-31 23:59:25,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 362 SyntacticMatches, 21 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3711 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=570, Invalid=7262, Unknown=0, NotChecked=0, Total=7832 [2023-03-31 23:59:25,687 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 366 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:25,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1720 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 23:59:25,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2023-03-31 23:59:25,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 802. [2023-03-31 23:59:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 440 states have (on average 1.165909090909091) internal successors, (513), 485 states have internal predecessors, (513), 183 states have call successors, (183), 174 states have call predecessors, (183), 178 states have return successors, (223), 177 states have call predecessors, (223), 179 states have call successors, (223) [2023-03-31 23:59:25,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 919 transitions. [2023-03-31 23:59:25,729 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 919 transitions. Word has length 146 [2023-03-31 23:59:25,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:25,730 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 919 transitions. [2023-03-31 23:59:25,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 12 states have (on average 10.0) internal successors, (120), 15 states have internal predecessors, (120), 7 states have call successors, (54), 6 states have call predecessors, (54), 11 states have return successors, (54), 10 states have call predecessors, (54), 6 states have call successors, (54) [2023-03-31 23:59:25,731 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 919 transitions. [2023-03-31 23:59:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-03-31 23:59:25,733 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:25,734 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:25,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 23:59:25,941 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 [2023-03-31 23:59:25,941 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:25,942 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:25,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1403940374, now seen corresponding path program 1 times [2023-03-31 23:59:25,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:25,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549791714] [2023-03-31 23:59:25,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:25,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:26,174 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 42 proven. 22 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-03-31 23:59:26,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:26,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549791714] [2023-03-31 23:59:26,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549791714] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:59:26,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641608556] [2023-03-31 23:59:26,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:26,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:26,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:26,176 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) [2023-03-31 23:59:26,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 23:59:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:26,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 23 conjunts are in the unsatisfiable core [2023-03-31 23:59:26,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:59:26,453 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-03-31 23:59:26,453 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:59:26,855 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-03-31 23:59:26,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641608556] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:59:26,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1375613789] [2023-03-31 23:59:26,858 INFO L159 IcfgInterpreter]: Started Sifa with 106 locations of interest [2023-03-31 23:59:26,858 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:59:26,859 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:59:26,859 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:59:26,859 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:59:26,946 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:59:26,964 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-31 23:59:27,068 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-03-31 23:59:27,114 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-03-31 23:59:27,566 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 35 for LOIs [2023-03-31 23:59:27,570 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2023-03-31 23:59:27,646 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-03-31 23:59:27,649 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 36 for LOIs [2023-03-31 23:59:27,719 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 30 for LOIs [2023-03-31 23:59:27,757 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 28 for LOIs [2023-03-31 23:59:27,773 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 28 for LOIs [2023-03-31 23:59:27,777 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-03-31 23:59:27,810 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 31 for LOIs [2023-03-31 23:59:27,831 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 31 for LOIs [2023-03-31 23:59:27,836 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 30 for LOIs [2023-03-31 23:59:27,838 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 38 for LOIs [2023-03-31 23:59:27,841 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:59:27,842 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:59:27,843 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 29 for LOIs [2023-03-31 23:59:27,877 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2023-03-31 23:59:27,880 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 29 for LOIs [2023-03-31 23:59:27,882 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 25 for LOIs [2023-03-31 23:59:27,894 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 31 for LOIs [2023-03-31 23:59:27,898 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-03-31 23:59:27,900 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:59:27,901 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:59:27,903 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:59:32,080 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12705#(and (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:59:32,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:59:32,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:59:32,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 22 [2023-03-31 23:59:32,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893544401] [2023-03-31 23:59:32,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:59:32,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-03-31 23:59:32,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:32,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-03-31 23:59:32,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=539, Invalid=6267, Unknown=0, NotChecked=0, Total=6806 [2023-03-31 23:59:32,083 INFO L87 Difference]: Start difference. First operand 802 states and 919 transitions. Second operand has 22 states, 16 states have (on average 8.3125) internal successors, (133), 16 states have internal predecessors, (133), 5 states have call successors, (55), 3 states have call predecessors, (55), 11 states have return successors, (59), 11 states have call predecessors, (59), 5 states have call successors, (59) [2023-03-31 23:59:33,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:33,748 INFO L93 Difference]: Finished difference Result 3088 states and 3708 transitions. [2023-03-31 23:59:33,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-03-31 23:59:33,749 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 16 states have (on average 8.3125) internal successors, (133), 16 states have internal predecessors, (133), 5 states have call successors, (55), 3 states have call predecessors, (55), 11 states have return successors, (59), 11 states have call predecessors, (59), 5 states have call successors, (59) Word has length 203 [2023-03-31 23:59:33,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:33,777 INFO L225 Difference]: With dead ends: 3088 [2023-03-31 23:59:33,777 INFO L226 Difference]: Without dead ends: 2329 [2023-03-31 23:59:33,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 534 SyntacticMatches, 14 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5772 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=851, Invalid=14649, Unknown=0, NotChecked=0, Total=15500 [2023-03-31 23:59:33,783 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 272 mSDsluCounter, 2496 mSDsCounter, 0 mSdLazyCounter, 2842 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 2774 SdHoareTripleChecker+Invalid, 2925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 2842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:33,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 2774 Invalid, 2925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 2842 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-03-31 23:59:33,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2329 states. [2023-03-31 23:59:33,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2329 to 1914. [2023-03-31 23:59:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1914 states, 1056 states have (on average 1.1316287878787878) internal successors, (1195), 1142 states have internal predecessors, (1195), 435 states have call successors, (435), 421 states have call predecessors, (435), 422 states have return successors, (524), 417 states have call predecessors, (524), 431 states have call successors, (524) [2023-03-31 23:59:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2154 transitions. [2023-03-31 23:59:33,880 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2154 transitions. Word has length 203 [2023-03-31 23:59:33,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:33,881 INFO L495 AbstractCegarLoop]: Abstraction has 1914 states and 2154 transitions. [2023-03-31 23:59:33,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 16 states have (on average 8.3125) internal successors, (133), 16 states have internal predecessors, (133), 5 states have call successors, (55), 3 states have call predecessors, (55), 11 states have return successors, (59), 11 states have call predecessors, (59), 5 states have call successors, (59) [2023-03-31 23:59:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2154 transitions. [2023-03-31 23:59:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-03-31 23:59:33,885 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:59:33,885 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:33,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 23:59:34,091 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 [2023-03-31 23:59:34,092 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:59:34,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:59:34,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1568411205, now seen corresponding path program 1 times [2023-03-31 23:59:34,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:59:34,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035535092] [2023-03-31 23:59:34,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:34,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:59:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 50 proven. 21 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-03-31 23:59:34,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:59:34,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035535092] [2023-03-31 23:59:34,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035535092] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:59:34,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1938008718] [2023-03-31 23:59:34,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:59:34,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:59:34,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:59:34,688 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) [2023-03-31 23:59:34,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 23:59:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:59:34,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 46 conjunts are in the unsatisfiable core [2023-03-31 23:59:34,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:59:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 106 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 23:59:35,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:59:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-03-31 23:59:36,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1938008718] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:59:36,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1075852168] [2023-03-31 23:59:36,458 INFO L159 IcfgInterpreter]: Started Sifa with 109 locations of interest [2023-03-31 23:59:36,458 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:59:36,458 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:59:36,458 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:59:36,459 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:59:36,537 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-03-31 23:59:36,556 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-03-31 23:59:36,625 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-03-31 23:59:36,649 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-03-31 23:59:37,124 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 35 for LOIs [2023-03-31 23:59:37,127 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2023-03-31 23:59:37,190 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 33 for LOIs [2023-03-31 23:59:37,193 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 36 for LOIs [2023-03-31 23:59:37,252 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 30 for LOIs [2023-03-31 23:59:37,287 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 28 for LOIs [2023-03-31 23:59:37,301 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 28 for LOIs [2023-03-31 23:59:37,304 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-03-31 23:59:37,347 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 31 for LOIs [2023-03-31 23:59:37,366 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 31 for LOIs [2023-03-31 23:59:37,370 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 30 for LOIs [2023-03-31 23:59:37,372 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 38 for LOIs [2023-03-31 23:59:37,374 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 34 for LOIs [2023-03-31 23:59:37,377 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-03-31 23:59:37,378 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-03-31 23:59:37,380 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 29 for LOIs [2023-03-31 23:59:37,414 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 32 for LOIs [2023-03-31 23:59:37,416 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 29 for LOIs [2023-03-31 23:59:37,418 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 25 for LOIs [2023-03-31 23:59:37,426 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 31 for LOIs [2023-03-31 23:59:37,430 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-03-31 23:59:37,431 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-03-31 23:59:37,433 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-03-31 23:59:37,434 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:59:42,021 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '21324#(and (<= ~pumpRunning~0 1) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-03-31 23:59:42,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-03-31 23:59:42,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:59:42,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 15] total 36 [2023-03-31 23:59:42,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894097870] [2023-03-31 23:59:42,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 23:59:42,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-03-31 23:59:42,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:59:42,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-03-31 23:59:42,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=671, Invalid=9229, Unknown=0, NotChecked=0, Total=9900 [2023-03-31 23:59:42,026 INFO L87 Difference]: Start difference. First operand 1914 states and 2154 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, (64), 7 states have call predecessors, (64), 19 states have return successors, (69), 21 states have call predecessors, (69), 12 states have call successors, (69) [2023-03-31 23:59:43,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:59:43,874 INFO L93 Difference]: Finished difference Result 3574 states and 4153 transitions. [2023-03-31 23:59:43,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-03-31 23:59:43,875 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, (64), 7 states have call predecessors, (64), 19 states have return successors, (69), 21 states have call predecessors, (69), 12 states have call successors, (69) Word has length 214 [2023-03-31 23:59:43,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:59:43,876 INFO L225 Difference]: With dead ends: 3574 [2023-03-31 23:59:43,876 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:59:43,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 563 SyntacticMatches, 17 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7988 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=1261, Invalid=17371, Unknown=0, NotChecked=0, Total=18632 [2023-03-31 23:59:43,885 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 739 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 2723 mSolverCounterSat, 722 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 3445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 2723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:59:43,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 728 Invalid, 3445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [722 Valid, 2723 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-03-31 23:59:43,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:59:43,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:59:43,886 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) [2023-03-31 23:59:43,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:59:43,886 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2023-03-31 23:59:43,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:59:43,887 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:59:43,887 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, (64), 7 states have call predecessors, (64), 19 states have return successors, (69), 21 states have call predecessors, (69), 12 states have call successors, (69) [2023-03-31 23:59:43,887 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:59:43,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:59:43,889 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:59:43,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 23:59:44,094 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 [2023-03-31 23:59:44,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:59:52,016 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 23:59:52,016 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 23:59:52,016 INFO L899 garLoopResultBuilder]: For program point L284-2(lines 284 305) no Hoare annotation was computed. [2023-03-31 23:59:52,016 INFO L899 garLoopResultBuilder]: For program point L306(lines 283 307) no Hoare annotation was computed. [2023-03-31 23:59:52,016 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 259 314) no Hoare annotation was computed. [2023-03-31 23:59:52,016 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 259 314) no Hoare annotation was computed. [2023-03-31 23:59:52,016 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 294) no Hoare annotation was computed. [2023-03-31 23:59:52,016 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2023-03-31 23:59:52,016 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 315 374) no Hoare annotation was computed. [2023-03-31 23:59:52,016 INFO L899 garLoopResultBuilder]: For program point L341-2(lines 341 366) no Hoare annotation was computed. [2023-03-31 23:59:52,016 INFO L899 garLoopResultBuilder]: For program point L367(lines 340 368) no Hoare annotation was computed. [2023-03-31 23:59:52,017 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 315 374) no Hoare annotation was computed. [2023-03-31 23:59:52,017 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 315 374) no Hoare annotation was computed. [2023-03-31 23:59:52,017 INFO L899 garLoopResultBuilder]: For program point L360(line 360) no Hoare annotation was computed. [2023-03-31 23:59:52,017 INFO L899 garLoopResultBuilder]: For program point L360-1(line 360) no Hoare annotation was computed. [2023-03-31 23:59:52,017 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 696 704) no Hoare annotation was computed. [2023-03-31 23:59:52,017 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 696 704) the Hoare annotation is: true [2023-03-31 23:59:52,017 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2023-03-31 23:59:52,017 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 193 200) no Hoare annotation was computed. [2023-03-31 23:59:52,017 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-03-31 23:59:52,017 INFO L895 garLoopResultBuilder]: At program point L190(line 190) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-03-31 23:59:52,017 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-03-31 23:59:52,017 INFO L895 garLoopResultBuilder]: At program point L189-1(line 189) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-03-31 23:59:52,017 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 183 205) no Hoare annotation was computed. [2023-03-31 23:59:52,018 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 183 205) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-03-31 23:59:52,018 INFO L895 garLoopResultBuilder]: At program point L195(line 195) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 1) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:52,018 INFO L895 garLoopResultBuilder]: At program point L195-1(line 195) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 1) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:52,018 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 137 160) no Hoare annotation was computed. [2023-03-31 23:59:52,018 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 137 160) no Hoare annotation was computed. [2023-03-31 23:59:52,018 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-03-31 23:59:52,018 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2023-03-31 23:59:52,018 INFO L899 garLoopResultBuilder]: For program point L153(line 153) no Hoare annotation was computed. [2023-03-31 23:59:52,018 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-03-31 23:59:52,018 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-03-31 23:59:52,018 INFO L899 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2023-03-31 23:59:52,018 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 137 160) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 682 688) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 682 688) the Hoare annotation is: true [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 526 571) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 526 571) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 656 669) the Hoare annotation is: true [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 656 669) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L895 garLoopResultBuilder]: At program point L801(line 801) 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))) [2023-03-31 23:59:52,019 INFO L899 garLoopResultBuilder]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2023-03-31 23:59:52,019 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= 0 processEnvironment_~tmp~6) (= ~pumpRunning~0 1)) .cse1 .cse2 .cse3) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (not (= 2 ~waterLevel~0)) .cse3) (or .cse4 .cse0 .cse1 .cse3))) [2023-03-31 23:59:52,020 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.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 (= ~methaneLevelCritical~0 0)) .cse4 .cse2) (or .cse1 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= ~pumpRunning~0 1)) .cse3 .cse4 .cse2))) [2023-03-31 23:59:52,020 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 782 806) no Hoare annotation was computed. [2023-03-31 23:59:52,020 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 798) no Hoare annotation was computed. [2023-03-31 23:59:52,020 INFO L895 garLoopResultBuilder]: At program point L788(line 788) 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)))) [2023-03-31 23:59:52,020 INFO L899 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2023-03-31 23:59:52,020 INFO L899 garLoopResultBuilder]: For program point L786(lines 786 803) no Hoare annotation was computed. [2023-03-31 23:59:52,020 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 782 806) 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))) [2023-03-31 23:59:52,020 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 748 754) no Hoare annotation was computed. [2023-03-31 23:59:52,020 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 748 754) the Hoare annotation is: true [2023-03-31 23:59:52,020 INFO L895 garLoopResultBuilder]: At program point L956(line 956) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)) (and .cse4 .cse0 .cse2 .cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse0 (<= ~waterLevel~0 1) .cse2 (not .cse1) (<= 1 ~switchedOnBeforeTS~0)) (and .cse4 (= 2 ~waterLevel~0) .cse0 .cse2) (and .cse4 .cse0 .cse1 .cse2 (= ~waterLevel~0 1)))) [2023-03-31 23:59:52,020 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 960) no Hoare annotation was computed. [2023-03-31 23:59:52,020 INFO L899 garLoopResultBuilder]: For program point L954-1(lines 954 960) no Hoare annotation was computed. [2023-03-31 23:59:52,020 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 924 989) no Hoare annotation was computed. [2023-03-31 23:59:52,020 INFO L895 garLoopResultBuilder]: At program point L979(lines 934 981) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 0))) (let ((.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 1)) (.cse9 (<= ~waterLevel~0 1)) (.cse6 (not .cse8)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse4) (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse2 .cse3 .cse5 .cse4) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7) (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse8 .cse9 .cse3 (= ~switchedOnBeforeTS~0 1) .cse10) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse8 .cse3 .cse10) (and .cse0 .cse2 .cse9 .cse3 .cse6 .cse7) (and .cse0 .cse2 .cse8 .cse3 .cse5)))) [2023-03-31 23:59:52,020 INFO L895 garLoopResultBuilder]: At program point L946(line 946) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 (not .cse2) (<= 1 ~switchedOnBeforeTS~0)) (and .cse6 .cse1 .cse3 (= ~waterLevel~0 1)) (and .cse6 .cse1 .cse5 .cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse6 .cse0 .cse1 .cse3))) [2023-03-31 23:59:52,021 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 950) no Hoare annotation was computed. [2023-03-31 23:59:52,021 INFO L899 garLoopResultBuilder]: For program point L944-1(lines 944 950) no Hoare annotation was computed. [2023-03-31 23:59:52,021 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 924 989) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:52,021 INFO L895 garLoopResultBuilder]: At program point L982(lines 933 983) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:52,021 INFO L895 garLoopResultBuilder]: At program point L972-2(lines 964 977) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse3 (<= ~waterLevel~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)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse3 .cse2 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse3 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse5 .cse1 .cse2))) [2023-03-31 23:59:52,021 INFO L899 garLoopResultBuilder]: For program point L935(lines 934 981) no Hoare annotation was computed. [2023-03-31 23:59:52,021 INFO L895 garLoopResultBuilder]: At program point L966(line 966) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse3 (<= ~waterLevel~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)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse3 .cse2 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse3 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse5 .cse1 .cse2))) [2023-03-31 23:59:52,021 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 977) no Hoare annotation was computed. [2023-03-31 23:59:52,021 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 924 989) no Hoare annotation was computed. [2023-03-31 23:59:52,021 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 624 646) no Hoare annotation was computed. [2023-03-31 23:59:52,021 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 624 646) no Hoare annotation was computed. [2023-03-31 23:59:52,021 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 815 831) no Hoare annotation was computed. [2023-03-31 23:59:52,021 INFO L895 garLoopResultBuilder]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (= activatePump_~tmp~7 0)) .cse3))) [2023-03-31 23:59:52,021 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 815 831) 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)|))) [2023-03-31 23:59:52,021 INFO L899 garLoopResultBuilder]: For program point L826-1(lines 815 831) no Hoare annotation was computed. [2023-03-31 23:59:52,021 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 828) no Hoare annotation was computed. [2023-03-31 23:59:52,022 INFO L895 garLoopResultBuilder]: At program point L820(line 820) 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)|))) [2023-03-31 23:59:52,022 INFO L899 garLoopResultBuilder]: For program point L820-1(line 820) no Hoare annotation was computed. [2023-03-31 23:59:52,022 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 647 655) the Hoare annotation is: true [2023-03-31 23:59:52,022 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 647 655) no Hoare annotation was computed. [2023-03-31 23:59:52,022 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 896 914) no Hoare annotation was computed. [2023-03-31 23:59:52,022 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 896 914) the Hoare annotation is: true [2023-03-31 23:59:52,022 INFO L902 garLoopResultBuilder]: At program point L903(line 903) the Hoare annotation is: true [2023-03-31 23:59:52,022 INFO L899 garLoopResultBuilder]: For program point L903-1(line 903) no Hoare annotation was computed. [2023-03-31 23:59:52,022 INFO L895 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 0)) (.cse12 (= |old(~pumpRunning~0)| 0))) (let ((.cse6 (< 1 |old(~waterLevel~0)|)) (.cse0 (not .cse12)) (.cse11 (and .cse2 (<= ~waterLevel~0 1) .cse12 .cse9 .cse3)) (.cse1 (not (= 1 ~systemActive~0))) (.cse8 (= ~switchedOnBeforeTS~0 1)) (.cse5 (= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (and .cse2 (= 2 ~waterLevel~0) .cse3) .cse4) (or .cse0 (and .cse2 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse6 .cse1 .cse7 (and .cse8 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse9)) .cse10)) (or .cse6 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 .cse1 .cse11) (or .cse6 .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse11) (or .cse1 (and .cse8 .cse5 .cse10) .cse7 .cse4)))) [2023-03-31 23:59:52,022 INFO L895 garLoopResultBuilder]: At program point L735(lines 735 741) the Hoare annotation is: (let ((.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse17 (= |old(~pumpRunning~0)| 0)) (.cse13 (= ~pumpRunning~0 0)) (.cse11 (= 2 ~waterLevel~0)) (.cse14 (= ~switchedOnBeforeTS~0 0)) (.cse12 (= ~methaneLevelCritical~0 0))) (let ((.cse4 (= ~switchedOnBeforeTS~0 1)) (.cse2 (not .cse12)) (.cse6 (= ~pumpRunning~0 1)) (.cse10 (and .cse13 .cse11 .cse14)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse7 (= ~waterLevel~0 1)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse9 (not .cse17)) (.cse15 (and .cse13 (<= ~waterLevel~0 1) .cse17 .cse16 .cse14)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and (<= |old(~waterLevel~0)| 0) .cse16)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse1 (and .cse4 .cse7 .cse6) .cse2 .cse3 .cse8) (or .cse9 .cse1 .cse10 .cse8 (and .cse11 .cse6)) (or .cse9 .cse12 .cse1 .cse10 .cse8) (or .cse9 (and .cse13 .cse7 .cse14) (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse9 .cse1 .cse15) (or .cse0 .cse9 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse15) (or .cse12 .cse1 .cse3 (and .cse13 .cse5 (<= 1 ~switchedOnBeforeTS~0)) (< 2 |old(~waterLevel~0)|))))) [2023-03-31 23:59:52,022 INFO L895 garLoopResultBuilder]: At program point L730(line 730) the Hoare annotation is: (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or (and (= ~switchedOnBeforeTS~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1)) .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2) (or (< 1 |old(~waterLevel~0)|) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse0 .cse1))) [2023-03-31 23:59:52,022 INFO L899 garLoopResultBuilder]: For program point L728(lines 724 746) no Hoare annotation was computed. [2023-03-31 23:59:52,022 INFO L899 garLoopResultBuilder]: For program point L726(lines 724 746) no Hoare annotation was computed. [2023-03-31 23:59:52,022 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 721 747) no Hoare annotation was computed. [2023-03-31 23:59:52,022 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 721 747) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse7 (= |old(~pumpRunning~0)| 1))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse4 (= ~switchedOnBeforeTS~0 0)) (.cse10 (not .cse7)) (.cse9 (= ~pumpRunning~0 1)) (.cse12 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (= ~pumpRunning~0 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (not .cse6))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (and .cse6 .cse7 .cse8 .cse9) .cse2 .cse10) (or .cse5 .cse0 .cse1 .cse2 (and .cse11 .cse8 .cse4)) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 (and .cse11 (= ~waterLevel~0 1))) (or .cse2 .cse10 .cse3 (and .cse12 .cse6 .cse7 .cse9)) (or .cse1 .cse2 (and .cse11 .cse12) .cse3) (or .cse1 .cse13 .cse2 (<= 1 ~switchedOnBeforeTS~0) (< 2 |old(~waterLevel~0)|)) (or .cse5 .cse1 (and .cse11 .cse8) .cse13 .cse2)))) [2023-03-31 23:59:52,023 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 721 747) no Hoare annotation was computed. [2023-03-31 23:59:52,023 INFO L902 garLoopResultBuilder]: At program point L129(lines 104 133) the Hoare annotation is: true [2023-03-31 23:59:52,023 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2023-03-31 23:59:52,023 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-03-31 23:59:52,023 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2023-03-31 23:59:52,023 INFO L902 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: true [2023-03-31 23:59:52,023 INFO L902 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: true [2023-03-31 23:59:52,023 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2023-03-31 23:59:52,023 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-03-31 23:59:52,023 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 104 133) the Hoare annotation is: true [2023-03-31 23:59:52,023 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 615 623) the Hoare annotation is: true [2023-03-31 23:59:52,023 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 615 623) no Hoare annotation was computed. [2023-03-31 23:59:52,023 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 579 590) no Hoare annotation was computed. [2023-03-31 23:59:52,023 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 579 590) 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)|)) [2023-03-31 23:59:52,023 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 915 922) no Hoare annotation was computed. [2023-03-31 23:59:52,023 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 915 922) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse3 (< 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse3 .cse1 .cse2 (not (= ~pumpRunning~0 1))))) [2023-03-31 23:59:52,023 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2023-03-31 23:59:52,024 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 591 602) the Hoare annotation is: (let ((.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse6 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse9 (not (= ~pumpRunning~0 1))) (.cse4 (< 1 |old(~waterLevel~0)|)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= ~waterLevel~0 1)) (.cse0 (= 2 ~waterLevel~0)) (.cse8 (not .cse1)) (.cse2 (and (or .cse5 .cse10 .cse6) (or .cse5 .cse6 .cse3)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse6 .cse8 .cse9 .cse3) (or .cse4 .cse6 .cse8 .cse9 .cse7) (or .cse4 .cse5 .cse1 .cse6 (< ~switchedOnBeforeTS~0 1) .cse7) (or .cse10 .cse1 .cse2 .cse11) (or .cse10 .cse8 .cse2 .cse11) (or .cse0 .cse8 .cse2 .cse3)))) [2023-03-31 23:59:52,024 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 706 713) the Hoare annotation is: true [2023-03-31 23:59:52,024 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 710) no Hoare annotation was computed. [2023-03-31 23:59:52,024 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 706 713) no Hoare annotation was computed. [2023-03-31 23:59:52,024 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 689 695) the Hoare annotation is: true [2023-03-31 23:59:52,024 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 689 695) no Hoare annotation was computed. [2023-03-31 23:59:52,024 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 54 61) no Hoare annotation was computed. [2023-03-31 23:59:52,024 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 54 61) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0)) (= ~switchedOnBeforeTS~0 0)) [2023-03-31 23:59:52,024 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 62 71) no Hoare annotation was computed. [2023-03-31 23:59:52,024 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 62 71) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (< |old(~switchedOnBeforeTS~0)| 1) .cse2 (<= 1 ~switchedOnBeforeTS~0)) (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 0)))) [2023-03-31 23:59:52,024 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-03-31 23:59:52,024 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse3 (not .cse5)) (.cse4 (not (= ~pumpRunning~0 1))) (.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2) (or .cse1 (not (= 2 ~waterLevel~0)) .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 (< ~switchedOnBeforeTS~0 1)) (or .cse1 .cse6 .cse3 .cse4 .cse2)))) [2023-03-31 23:59:52,024 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-03-31 23:59:52,024 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-03-31 23:59:52,024 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not .cse7)) (.cse3 (not (= ~pumpRunning~0 1))) (.cse1 (< 1 ~waterLevel~0)) (.cse6 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse6 .cse7 .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) .cse4) (or (< 2 ~waterLevel~0) .cse6 .cse0 (and (<= ~waterLevel~0 1) .cse4) .cse5)))) [2023-03-31 23:59:52,025 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-03-31 23:59:52,025 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-03-31 23:59:52,025 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-03-31 23:59:52,025 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-03-31 23:59:52,025 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-03-31 23:59:52,025 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 72 100) no Hoare annotation was computed. [2023-03-31 23:59:52,025 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 72 100) the Hoare annotation is: true [2023-03-31 23:59:52,025 INFO L895 garLoopResultBuilder]: At program point L766(line 766) 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 (< 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2023-03-31 23:59:52,025 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 772) no Hoare annotation was computed. [2023-03-31 23:59:52,025 INFO L895 garLoopResultBuilder]: At program point L762(line 762) 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 (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2023-03-31 23:59:52,025 INFO L899 garLoopResultBuilder]: For program point L762-1(line 762) no Hoare annotation was computed. [2023-03-31 23:59:52,025 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 777) no Hoare annotation was computed. [2023-03-31 23:59:52,025 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 756 780) no Hoare annotation was computed. [2023-03-31 23:59:52,025 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 756 780) 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 (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse3 (= ~pumpRunning~0 1)) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2023-03-31 23:59:52,025 INFO L895 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse2 (= ~pumpRunning~0 1)) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2023-03-31 23:59:52,025 INFO L899 garLoopResultBuilder]: For program point L775-1(lines 756 780) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L895 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (not (= |old(~pumpRunning~0)| 1)) .cse1) (or (< 2 ~waterLevel~0) (and (= ~pumpRunning~0 0) (or (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__methaneQuery_~tmp~5 0))) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2023-03-31 23:59:52,026 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 851 859) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 851 859) the Hoare annotation is: true [2023-03-31 23:59:52,026 INFO L899 garLoopResultBuilder]: For program point L890(line 890) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L899 garLoopResultBuilder]: For program point L890-1(line 890) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 860 895) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 860 895) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 213 258) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 213 258) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L895 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 23:59:52,026 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 169 179) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 169 179) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0))) [2023-03-31 23:59:52,026 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 169 179) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L902 garLoopResultBuilder]: At program point L845(line 845) the Hoare annotation is: true [2023-03-31 23:59:52,026 INFO L899 garLoopResultBuilder]: For program point L845-1(line 845) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 840 850) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 840 850) the Hoare annotation is: true [2023-03-31 23:59:52,026 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 832 839) no Hoare annotation was computed. [2023-03-31 23:59:52,026 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 832 839) the Hoare annotation is: (or (= ~methaneLevelCritical~0 0) (not (= 1 ~systemActive~0)) (< 1 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1)) [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 480 525) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 480 525) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 807 814) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 807 814) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (= 2 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point L442(line 442) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point L442-1(line 442) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 377 479) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point L426-2(lines 426 446) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 377 479) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point L447(lines 425 448) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 422) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 377 479) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point L427(lines 426 446) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2023-03-31 23:59:52,027 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 464) no Hoare annotation was computed. [2023-03-31 23:59:52,028 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 672 681) no Hoare annotation was computed. [2023-03-31 23:59:52,028 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 672 681) no Hoare annotation was computed. [2023-03-31 23:59:52,028 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)) [2023-03-31 23:59:52,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:59:52,028 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 603 614) the Hoare annotation is: (let ((.cse6 (= |old(~methaneLevelCritical~0)| 0)) (.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse3 (not (= ~pumpRunning~0 1))) (.cse5 (not (= 2 ~waterLevel~0))) (.cse7 (not .cse1)) (.cse8 (< 2 ~waterLevel~0)) (.cse0 (not .cse6)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse9 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 (< 1 ~waterLevel~0) .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse5 .cse3) (or .cse8 .cse4 .cse2 .cse6 (< ~switchedOnBeforeTS~0 1) .cse7) (or (not (= ~waterLevel~0 1)) .cse0 .cse4 .cse1 .cse2) (or .cse0 .cse4 .cse1 .cse2 .cse5) (or .cse8 .cse4 .cse2 .cse6 .cse7 .cse9) (or .cse8 .cse0 .cse4 .cse1 .cse2 .cse9)))) [2023-03-31 23:59:52,028 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2023-03-31 23:59:52,028 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:59:52,028 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 23:59:52,028 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 161 167) no Hoare annotation was computed. [2023-03-31 23:59:52,028 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 161 167) the Hoare annotation is: true [2023-03-31 23:59:52,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:59:52,028 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) [2023-03-31 23:59:52,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:59:52,028 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:59:52,030 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:59:52,032 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:59:52,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:59:52 BoogieIcfgContainer [2023-03-31 23:59:52,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:59:52,041 INFO L158 Benchmark]: Toolchain (without parser) took 37139.18ms. Allocated memory was 237.0MB in the beginning and 709.9MB in the end (delta: 472.9MB). Free memory was 193.3MB in the beginning and 631.1MB in the end (delta: -437.8MB). Peak memory consumption was 426.0MB. Max. memory is 8.0GB. [2023-03-31 23:59:52,041 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 197.1MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:59:52,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.36ms. Allocated memory is still 237.0MB. Free memory was 193.3MB in the beginning and 175.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 23:59:52,042 INFO L158 Benchmark]: Boogie Preprocessor took 52.74ms. Allocated memory is still 237.0MB. Free memory was 174.5MB in the beginning and 171.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 23:59:52,042 INFO L158 Benchmark]: RCFGBuilder took 742.32ms. Allocated memory is still 237.0MB. Free memory was 171.3MB in the beginning and 189.1MB in the end (delta: -17.7MB). Peak memory consumption was 56.2MB. Max. memory is 8.0GB. [2023-03-31 23:59:52,042 INFO L158 Benchmark]: TraceAbstraction took 35992.16ms. Allocated memory was 237.0MB in the beginning and 709.9MB in the end (delta: 472.9MB). Free memory was 188.5MB in the beginning and 631.1MB in the end (delta: -442.6MB). Peak memory consumption was 420.1MB. Max. memory is 8.0GB. [2023-03-31 23:59:52,043 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 197.1MB. Free memory is still 142.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 348.36ms. Allocated memory is still 237.0MB. Free memory was 193.3MB in the beginning and 175.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.74ms. Allocated memory is still 237.0MB. Free memory was 174.5MB in the beginning and 171.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 742.32ms. Allocated memory is still 237.0MB. Free memory was 171.3MB in the beginning and 189.1MB in the end (delta: -17.7MB). Peak memory consumption was 56.2MB. Max. memory is 8.0GB. * TraceAbstraction took 35992.16ms. Allocated memory was 237.0MB in the beginning and 709.9MB in the end (delta: 472.9MB). Free memory was 188.5MB in the beginning and 631.1MB in the end (delta: -442.6MB). Peak memory consumption was 420.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 710]: 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 43 procedures, 197 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.9s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2510 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2436 mSDsluCounter, 7756 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6377 mSDsCounter, 1513 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9118 IncrementalHoareTripleChecker+Invalid, 10631 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1513 mSolverCounterUnsat, 1379 mSDtfsCounter, 9118 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1959 GetRequests, 1504 SyntacticMatches, 52 SemanticMatches, 403 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17566 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1914occurred in iteration=9, InterpolantAutomatonStates: 174, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 702 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 2807 PreInvPairs, 3072 NumberOfFragments, 3097 HoareAnnotationTreeSize, 2807 FomulaSimplifications, 47474 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 66 FomulaSimplificationsInter, 53011 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1619 NumberOfCodeBlocks, 1619 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2166 ConstructedInterpolants, 0 QuantifiedInterpolants, 3787 SizeOfPredicates, 19 NumberOfNonLiveVariables, 2014 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 895/998 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: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 933]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: ((((((((((((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 1 == systemActive) && pumpRunning == switchedOnBeforeTS) || ((((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel + 1 <= \old(waterLevel)) && pumpRunning == switchedOnBeforeTS)) || !(\old(pumpRunning) == 0)) || ((((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || !(\old(methaneLevelCritical) == 0)) || (((((pumpRunning == 0 && 2 == waterLevel) && splverifierCounter == 0) && 1 == systemActive) && !(methaneLevelCritical == 0)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 1)) || (((((splverifierCounter == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && switchedOnBeforeTS == 1) && pumpRunning == 1)) || !(\old(systemActive) == 1)) || ((((2 == waterLevel && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 1)) || (((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == 0 && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-03-31 23:59:52,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...