/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 06:02:34,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 06:02:34,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 06:02:34,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 06:02:34,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 06:02:34,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 06:02:34,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 06:02:34,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 06:02:34,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 06:02:34,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 06:02:34,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 06:02:34,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 06:02:34,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 06:02:34,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 06:02:34,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 06:02:34,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 06:02:34,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 06:02:34,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 06:02:34,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 06:02:34,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 06:02:34,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 06:02:34,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 06:02:34,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 06:02:34,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 06:02:34,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 06:02:34,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 06:02:34,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 06:02:34,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 06:02:34,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 06:02:34,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 06:02:34,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 06:02:34,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 06:02:34,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 06:02:34,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 06:02:34,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 06:02:34,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 06:02:34,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 06:02:34,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 06:02:34,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 06:02:34,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 06:02:34,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 06:02:34,442 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 06:02:34,459 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 06:02:34,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 06:02:34,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 06:02:34,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 06:02:34,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 06:02:34,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 06:02:34,460 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 06:02:34,460 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 06:02:34,461 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 06:02:34,461 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 06:02:34,461 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 06:02:34,461 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 06:02:34,461 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 06:02:34,461 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 06:02:34,461 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 06:02:34,461 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 06:02:34,462 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 06:02:34,462 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 06:02:34,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 06:02:34,462 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 06:02:34,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 06:02:34,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 06:02:34,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 06:02:34,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 06:02:34,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 06:02:34,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 06:02:34,463 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 06:02:34,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 06:02:34,463 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 06:02:34,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 06:02:34,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 06:02:34,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 06:02:34,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 06:02:34,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 06:02:34,464 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 06:02:34,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 06:02:34,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 06:02:34,464 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 06:02:34,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 06:02:34,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 06:02:34,465 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 06:02:34,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 06:02:34,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 06:02:34,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 06:02:34,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 06:02:34,668 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 06:02:34,669 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 06:02:34,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2023-04-01 06:02:35,786 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 06:02:35,961 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 06:02:35,961 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product46.cil.c [2023-04-01 06:02:35,970 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03a4b6e64/b84220a32d9d4f7b9e0b54848e8fe20f/FLAG812e59513 [2023-04-01 06:02:35,982 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03a4b6e64/b84220a32d9d4f7b9e0b54848e8fe20f [2023-04-01 06:02:35,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 06:02:35,985 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 06:02:35,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 06:02:35,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 06:02:35,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 06:02:35,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 06:02:35" (1/1) ... [2023-04-01 06:02:35,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f168b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:35, skipping insertion in model container [2023-04-01 06:02:35,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 06:02:35" (1/1) ... [2023-04-01 06:02:35,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 06:02:36,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 06:02:36,173 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] [2023-04-01 06:02:36,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 06:02:36,190 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 06:02:36,223 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] [2023-04-01 06:02:36,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 06:02:36,240 INFO L208 MainTranslator]: Completed translation [2023-04-01 06:02:36,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:36 WrapperNode [2023-04-01 06:02:36,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 06:02:36,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 06:02:36,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 06:02:36,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 06:02:36,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:36" (1/1) ... [2023-04-01 06:02:36,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:36" (1/1) ... [2023-04-01 06:02:36,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:36" (1/1) ... [2023-04-01 06:02:36,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:36" (1/1) ... [2023-04-01 06:02:36,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:36" (1/1) ... [2023-04-01 06:02:36,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:36" (1/1) ... [2023-04-01 06:02:36,277 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:36" (1/1) ... [2023-04-01 06:02:36,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:36" (1/1) ... [2023-04-01 06:02:36,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 06:02:36,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 06:02:36,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 06:02:36,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 06:02:36,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:36" (1/1) ... [2023-04-01 06:02:36,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 06:02:36,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:02:36,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 06:02:36,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 06:02:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 06:02:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 06:02:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 06:02:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 06:02:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-01 06:02:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-01 06:02:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-01 06:02:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 06:02:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 06:02:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 06:02:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 06:02:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 06:02:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 06:02:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 06:02:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 06:02:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 06:02:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 06:02:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 06:02:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 06:02:36,333 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 06:02:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 06:02:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 06:02:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 06:02:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 06:02:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-01 06:02:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 06:02:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 06:02:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 06:02:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 06:02:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 06:02:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 06:02:36,334 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-01 06:02:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 06:02:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 06:02:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2023-04-01 06:02:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 06:02:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 06:02:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 06:02:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 06:02:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 06:02:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-01 06:02:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-01 06:02:36,335 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 06:02:36,335 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 06:02:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 06:02:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 06:02:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 06:02:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 06:02:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 06:02:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 06:02:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 06:02:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 06:02:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-01 06:02:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-01 06:02:36,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-01 06:02:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 06:02:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 06:02:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 06:02:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 06:02:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 06:02:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 06:02:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 06:02:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 06:02:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 06:02:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 06:02:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 06:02:36,337 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 06:02:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 06:02:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 06:02:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 06:02:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 06:02:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 06:02:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 06:02:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 06:02:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 06:02:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 06:02:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 06:02:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 06:02:36,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 06:02:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 06:02:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 06:02:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 06:02:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 06:02:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 06:02:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 06:02:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 06:02:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-01 06:02:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 06:02:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 06:02:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 06:02:36,339 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-01 06:02:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 06:02:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-01 06:02:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-01 06:02:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-04-01 06:02:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 06:02:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2023-04-01 06:02:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 06:02:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 06:02:36,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 06:02:36,447 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 06:02:36,449 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 06:02:36,898 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 06:02:36,962 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 06:02:36,962 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 06:02:36,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 06:02:36 BoogieIcfgContainer [2023-04-01 06:02:36,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 06:02:36,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 06:02:36,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 06:02:36,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 06:02:36,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 06:02:35" (1/3) ... [2023-04-01 06:02:36,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39994d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 06:02:36, skipping insertion in model container [2023-04-01 06:02:36,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:02:36" (2/3) ... [2023-04-01 06:02:36,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39994d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 06:02:36, skipping insertion in model container [2023-04-01 06:02:36,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 06:02:36" (3/3) ... [2023-04-01 06:02:36,970 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2023-04-01 06:02:36,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 06:02:36,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 06:02:37,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 06:02:37,017 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;@11fa46d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 06:02:37,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 06:02:37,021 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) [2023-04-01 06:02:37,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-01 06:02:37,030 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:37,032 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:37,033 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:37,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:37,036 INFO L85 PathProgramCache]: Analyzing trace with hash 273949622, now seen corresponding path program 1 times [2023-04-01 06:02:37,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:37,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727423120] [2023-04-01 06:02:37,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:37,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:37,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 06:02:37,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:37,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727423120] [2023-04-01 06:02:37,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727423120] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:37,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:37,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 06:02:37,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499488603] [2023-04-01 06:02:37,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:37,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 06:02:37,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:37,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 06:02:37,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 06:02:37,284 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) [2023-04-01 06:02:37,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:37,371 INFO L93 Difference]: Finished difference Result 246 states and 297 transitions. [2023-04-01 06:02:37,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 06:02:37,375 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-04-01 06:02:37,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:37,381 INFO L225 Difference]: With dead ends: 246 [2023-04-01 06:02:37,381 INFO L226 Difference]: Without dead ends: 125 [2023-04-01 06:02:37,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 06:02:37,389 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, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 06:02:37,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 06:02:37,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-04-01 06:02:37,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2023-04-01 06:02:37,426 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) [2023-04-01 06:02:37,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2023-04-01 06:02:37,428 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 52 [2023-04-01 06:02:37,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:37,429 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2023-04-01 06:02:37,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 06:02:37,429 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2023-04-01 06:02:37,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-01 06:02:37,431 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:37,431 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:37,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 06:02:37,432 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:37,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:37,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1857940341, now seen corresponding path program 1 times [2023-04-01 06:02:37,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:37,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679029135] [2023-04-01 06:02:37,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:37,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 06:02:37,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:37,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679029135] [2023-04-01 06:02:37,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679029135] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:37,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:37,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 06:02:37,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323466375] [2023-04-01 06:02:37,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:37,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 06:02:37,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:37,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 06:02:37,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 06:02:37,517 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) [2023-04-01 06:02:37,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:37,557 INFO L93 Difference]: Finished difference Result 200 states and 231 transitions. [2023-04-01 06:02:37,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 06:02:37,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-04-01 06:02:37,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:37,559 INFO L225 Difference]: With dead ends: 200 [2023-04-01 06:02:37,559 INFO L226 Difference]: Without dead ends: 117 [2023-04-01 06:02:37,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 06:02:37,561 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 [2023-04-01 06:02:37,561 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] [2023-04-01 06:02:37,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-04-01 06:02:37,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-04-01 06:02:37,571 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) [2023-04-01 06:02:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 133 transitions. [2023-04-01 06:02:37,573 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 133 transitions. Word has length 53 [2023-04-01 06:02:37,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:37,573 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 133 transitions. [2023-04-01 06:02:37,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 06:02:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2023-04-01 06:02:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-04-01 06:02:37,575 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:37,575 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:37,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 06:02:37,576 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:37,576 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:37,576 INFO L85 PathProgramCache]: Analyzing trace with hash -2072365794, now seen corresponding path program 1 times [2023-04-01 06:02:37,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:37,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651420993] [2023-04-01 06:02:37,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:37,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:37,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 06:02:37,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:37,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651420993] [2023-04-01 06:02:37,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651420993] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:37,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:37,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 06:02:37,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330594200] [2023-04-01 06:02:37,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:37,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 06:02:37,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:37,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 06:02:37,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-01 06:02:37,840 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) [2023-04-01 06:02:38,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:38,149 INFO L93 Difference]: Finished difference Result 209 states and 242 transitions. [2023-04-01 06:02:38,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 06:02:38,150 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 56 [2023-04-01 06:02:38,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:38,151 INFO L225 Difference]: With dead ends: 209 [2023-04-01 06:02:38,151 INFO L226 Difference]: Without dead ends: 117 [2023-04-01 06:02:38,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-01 06:02:38,152 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 179 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 06:02:38,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 319 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 06:02:38,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-04-01 06:02:38,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-04-01 06:02:38,161 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) [2023-04-01 06:02:38,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 132 transitions. [2023-04-01 06:02:38,162 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 132 transitions. Word has length 56 [2023-04-01 06:02:38,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:38,163 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 132 transitions. [2023-04-01 06:02:38,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-01 06:02:38,163 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 132 transitions. [2023-04-01 06:02:38,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-04-01 06:02:38,164 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:38,164 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:38,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 06:02:38,165 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:38,165 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:38,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1541365364, now seen corresponding path program 1 times [2023-04-01 06:02:38,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:38,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025210260] [2023-04-01 06:02:38,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:38,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:38,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 06:02:38,349 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:38,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025210260] [2023-04-01 06:02:38,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025210260] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:38,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:38,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 06:02:38,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774779133] [2023-04-01 06:02:38,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:38,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 06:02:38,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:38,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 06:02:38,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 06:02:38,352 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) [2023-04-01 06:02:38,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:38,759 INFO L93 Difference]: Finished difference Result 311 states and 367 transitions. [2023-04-01 06:02:38,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-01 06:02:38,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) Word has length 69 [2023-04-01 06:02:38,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:38,761 INFO L225 Difference]: With dead ends: 311 [2023-04-01 06:02:38,761 INFO L226 Difference]: Without dead ends: 219 [2023-04-01 06:02:38,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-04-01 06:02:38,763 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 171 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 06:02:38,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 154 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 06:02:38,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-04-01 06:02:38,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 202. [2023-04-01 06:02:38,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 106 states have (on average 1.179245283018868) internal successors, (125), 116 states have internal predecessors, (125), 48 states have call successors, (48), 45 states have call predecessors, (48), 47 states have return successors, (52), 47 states have call predecessors, (52), 44 states have call successors, (52) [2023-04-01 06:02:38,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 225 transitions. [2023-04-01 06:02:38,784 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 225 transitions. Word has length 69 [2023-04-01 06:02:38,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:38,785 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 225 transitions. [2023-04-01 06:02:38,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 5 states have call successors, (19), 4 states have call predecessors, (19), 3 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2023-04-01 06:02:38,785 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 225 transitions. [2023-04-01 06:02:38,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-04-01 06:02:38,786 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:38,786 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:38,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 06:02:38,786 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:38,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:38,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1327642342, now seen corresponding path program 1 times [2023-04-01 06:02:38,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:38,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679011465] [2023-04-01 06:02:38,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:38,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 06:02:38,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:38,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679011465] [2023-04-01 06:02:38,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679011465] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:38,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:38,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 06:02:38,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797155424] [2023-04-01 06:02:38,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:38,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 06:02:38,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:38,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 06:02:38,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-01 06:02:38,935 INFO L87 Difference]: Start difference. First operand 202 states and 225 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-01 06:02:39,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:39,294 INFO L93 Difference]: Finished difference Result 395 states and 455 transitions. [2023-04-01 06:02:39,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 06:02:39,295 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) Word has length 78 [2023-04-01 06:02:39,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:39,298 INFO L225 Difference]: With dead ends: 395 [2023-04-01 06:02:39,298 INFO L226 Difference]: Without dead ends: 218 [2023-04-01 06:02:39,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-01 06:02:39,310 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, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 06:02:39,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 263 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 06:02:39,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-04-01 06:02:39,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 201. [2023-04-01 06:02:39,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 105 states have (on average 1.161904761904762) internal successors, (122), 115 states have internal predecessors, (122), 48 states have call successors, (48), 45 states have call predecessors, (48), 47 states have return successors, (52), 47 states have call predecessors, (52), 44 states have call successors, (52) [2023-04-01 06:02:39,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 222 transitions. [2023-04-01 06:02:39,340 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 222 transitions. Word has length 78 [2023-04-01 06:02:39,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:39,341 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 222 transitions. [2023-04-01 06:02:39,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (15), 4 states have call predecessors, (15), 3 states have call successors, (15) [2023-04-01 06:02:39,341 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 222 transitions. [2023-04-01 06:02:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-04-01 06:02:39,346 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:39,346 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:39,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 06:02:39,346 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:39,347 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:39,347 INFO L85 PathProgramCache]: Analyzing trace with hash -237454254, now seen corresponding path program 1 times [2023-04-01 06:02:39,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:39,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389613662] [2023-04-01 06:02:39,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:39,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:39,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 06:02:39,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:39,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389613662] [2023-04-01 06:02:39,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389613662] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:39,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:39,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-01 06:02:39,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271830911] [2023-04-01 06:02:39,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:39,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 06:02:39,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:39,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 06:02:39,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-01 06:02:39,684 INFO L87 Difference]: Start difference. First operand 201 states and 222 transitions. Second operand has 12 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 4 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-01 06:02:40,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:40,122 INFO L93 Difference]: Finished difference Result 526 states and 603 transitions. [2023-04-01 06:02:40,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-01 06:02:40,123 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 4 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18) Word has length 91 [2023-04-01 06:02:40,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:40,128 INFO L225 Difference]: With dead ends: 526 [2023-04-01 06:02:40,129 INFO L226 Difference]: Without dead ends: 350 [2023-04-01 06:02:40,130 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 [2023-04-01 06:02:40,131 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 247 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2023-04-01 06:02:40,133 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] [2023-04-01 06:02:40,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-04-01 06:02:40,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 341. [2023-04-01 06:02:40,179 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) [2023-04-01 06:02:40,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 388 transitions. [2023-04-01 06:02:40,185 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 388 transitions. Word has length 91 [2023-04-01 06:02:40,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:40,185 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 388 transitions. [2023-04-01 06:02:40,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 4 states have call successors, (24), 3 states have call predecessors, (24), 6 states have return successors, (18), 7 states have call predecessors, (18), 4 states have call successors, (18) [2023-04-01 06:02:40,186 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 388 transitions. [2023-04-01 06:02:40,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-04-01 06:02:40,190 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:40,190 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:02:40,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 06:02:40,191 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:40,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:40,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2121639889, now seen corresponding path program 1 times [2023-04-01 06:02:40,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:40,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728710192] [2023-04-01 06:02:40,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:40,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:40,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 06:02:40,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:40,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728710192] [2023-04-01 06:02:40,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728710192] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 06:02:40,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 06:02:40,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-01 06:02:40,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506385576] [2023-04-01 06:02:40,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 06:02:40,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 06:02:40,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:40,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 06:02:40,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-01 06:02:40,400 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) [2023-04-01 06:02:40,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:40,949 INFO L93 Difference]: Finished difference Result 1059 states and 1240 transitions. [2023-04-01 06:02:40,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-01 06:02:40,949 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 94 [2023-04-01 06:02:40,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:40,953 INFO L225 Difference]: With dead ends: 1059 [2023-04-01 06:02:40,953 INFO L226 Difference]: Without dead ends: 804 [2023-04-01 06:02:40,954 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 [2023-04-01 06:02:40,955 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 [2023-04-01 06:02:40,956 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] [2023-04-01 06:02:40,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2023-04-01 06:02:41,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 699. [2023-04-01 06:02:41,018 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) [2023-04-01 06:02:41,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 802 transitions. [2023-04-01 06:02:41,023 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 802 transitions. Word has length 94 [2023-04-01 06:02:41,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:41,025 INFO L495 AbstractCegarLoop]: Abstraction has 699 states and 802 transitions. [2023-04-01 06:02:41,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 4 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) [2023-04-01 06:02:41,025 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 802 transitions. [2023-04-01 06:02:41,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-04-01 06:02:41,029 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:41,029 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] [2023-04-01 06:02:41,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 06:02:41,030 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:41,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:41,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1753460378, now seen corresponding path program 1 times [2023-04-01 06:02:41,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:41,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782729097] [2023-04-01 06:02:41,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:41,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:41,213 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-04-01 06:02:41,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:41,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782729097] [2023-04-01 06:02:41,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782729097] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 06:02:41,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262097422] [2023-04-01 06:02:41,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:41,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:02:41,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:02:41,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 06:02:41,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 06:02:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:41,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-01 06:02:41,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 06:02:41,533 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 06:02:41,533 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 06:02:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-04-01 06:02:41,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262097422] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 06:02:41,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1912235890] [2023-04-01 06:02:41,906 INFO L159 IcfgInterpreter]: Started Sifa with 107 locations of interest [2023-04-01 06:02:41,906 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 06:02:41,908 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 06:02:41,911 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 06:02:41,912 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 06:02:42,063 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-01 06:02:42,094 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-01 06:02:42,273 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-01 06:02:42,319 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-01 06:02:45,457 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 46 for LOIs [2023-04-01 06:02:45,474 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2023-04-01 06:02:45,985 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 50 for LOIs [2023-04-01 06:02:46,004 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 54 for LOIs [2023-04-01 06:02:46,242 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 40 for LOIs [2023-04-01 06:02:46,480 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-01 06:02:46,543 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-01 06:02:46,547 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-01 06:02:46,620 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 45 for LOIs [2023-04-01 06:02:46,642 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 45 for LOIs [2023-04-01 06:02:46,646 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-01 06:02:46,647 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2023-04-01 06:02:46,649 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-01 06:02:46,650 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-01 06:02:46,652 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 31 for LOIs [2023-04-01 06:02:46,755 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 39 for LOIs [2023-04-01 06:02:46,758 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 31 for LOIs [2023-04-01 06:02:46,759 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 31 for LOIs [2023-04-01 06:02:46,802 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 20 for LOIs [2023-04-01 06:02:46,803 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-01 06:02:46,805 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-01 06:02:46,807 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-01 06:02:46,808 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-01 06:02:52,354 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8013#(and (<= 1 |#StackHeapBarrier|) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 2147483647) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= 0 (+ ~waterLevel~0 2147483648)) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-01 06:02:52,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-01 06:02:52,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 06:02:52,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-04-01 06:02:52,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794597928] [2023-04-01 06:02:52,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 06:02:52,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-01 06:02:52,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:02:52,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-01 06:02:52,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=5769, Unknown=0, NotChecked=0, Total=6320 [2023-04-01 06:02:52,359 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) [2023-04-01 06:02:53,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:02:53,339 INFO L93 Difference]: Finished difference Result 1557 states and 1839 transitions. [2023-04-01 06:02:53,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-04-01 06:02:53,341 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 [2023-04-01 06:02:53,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:02:53,347 INFO L225 Difference]: With dead ends: 1557 [2023-04-01 06:02:53,347 INFO L226 Difference]: Without dead ends: 941 [2023-04-01 06:02:53,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 353 SyntacticMatches, 22 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4495 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=717, Invalid=8595, Unknown=0, NotChecked=0, Total=9312 [2023-04-01 06:02:53,353 INFO L413 NwaCegarLoop]: 235 mSDtfsCounter, 366 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2023-04-01 06:02:53,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 1720 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-01 06:02:53,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2023-04-01 06:02:53,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 802. [2023-04-01 06:02:53,403 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) [2023-04-01 06:02:53,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 919 transitions. [2023-04-01 06:02:53,409 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 919 transitions. Word has length 146 [2023-04-01 06:02:53,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:02:53,410 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 919 transitions. [2023-04-01 06:02:53,410 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) [2023-04-01 06:02:53,410 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 919 transitions. [2023-04-01 06:02:53,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-04-01 06:02:53,413 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:02:53,414 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] [2023-04-01 06:02:53,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 06:02:53,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:02:53,621 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:02:53,622 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:02:53,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1403940374, now seen corresponding path program 1 times [2023-04-01 06:02:53,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:02:53,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668127046] [2023-04-01 06:02:53,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:53,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:02:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 42 proven. 22 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-04-01 06:02:54,018 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:02:54,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668127046] [2023-04-01 06:02:54,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668127046] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 06:02:54,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125389024] [2023-04-01 06:02:54,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:02:54,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:02:54,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:02:54,033 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 06:02:54,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-01 06:02:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:02:54,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 23 conjunts are in the unsatisfiable core [2023-04-01 06:02:54,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 06:02:54,459 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-04-01 06:02:54,459 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 06:02:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-04-01 06:02:54,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125389024] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 06:02:54,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [658474966] [2023-04-01 06:02:54,704 INFO L159 IcfgInterpreter]: Started Sifa with 106 locations of interest [2023-04-01 06:02:54,705 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 06:02:54,705 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 06:02:54,705 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 06:02:54,706 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 06:02:54,851 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-01 06:02:54,879 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-01 06:02:55,040 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-01 06:02:55,098 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-01 06:02:58,178 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 58 for LOIs [2023-04-01 06:02:58,185 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 43 for LOIs [2023-04-01 06:02:58,589 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 45 for LOIs [2023-04-01 06:02:58,595 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 49 for LOIs [2023-04-01 06:02:58,675 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 26 for LOIs [2023-04-01 06:02:58,800 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 24 for LOIs [2023-04-01 06:02:58,863 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 24 for LOIs [2023-04-01 06:02:58,867 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 36 for LOIs [2023-04-01 06:02:58,904 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 44 for LOIs [2023-04-01 06:02:58,992 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 44 for LOIs [2023-04-01 06:02:59,000 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-01 06:02:59,002 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-01 06:02:59,004 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-01 06:02:59,005 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 43 for LOIs [2023-04-01 06:02:59,228 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 50 for LOIs [2023-04-01 06:02:59,232 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 43 for LOIs [2023-04-01 06:02:59,235 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 39 for LOIs [2023-04-01 06:02:59,301 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 24 for LOIs [2023-04-01 06:02:59,303 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-01 06:02:59,305 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-01 06:02:59,307 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-01 06:02:59,309 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-01 06:03:06,584 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12713#(and (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~methaneLevelCritical~0 0) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-01 06:03:06,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-01 06:03:06,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 06:03:06,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 22 [2023-04-01 06:03:06,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494567393] [2023-04-01 06:03:06,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 06:03:06,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-01 06:03:06,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:03:06,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-01 06:03:06,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=510, Invalid=6296, Unknown=0, NotChecked=0, Total=6806 [2023-04-01 06:03:06,588 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) [2023-04-01 06:03:08,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:03:08,338 INFO L93 Difference]: Finished difference Result 3088 states and 3708 transitions. [2023-04-01 06:03:08,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-04-01 06:03:08,339 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 [2023-04-01 06:03:08,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:03:08,348 INFO L225 Difference]: With dead ends: 3088 [2023-04-01 06:03:08,348 INFO L226 Difference]: Without dead ends: 2329 [2023-04-01 06:03:08,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 532 SyntacticMatches, 16 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5938 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=838, Invalid=14662, Unknown=0, NotChecked=0, Total=15500 [2023-04-01 06:03:08,356 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 242 mSDsluCounter, 2793 mSDsCounter, 0 mSdLazyCounter, 2951 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 3071 SdHoareTripleChecker+Invalid, 3010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 2951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-04-01 06:03:08,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 3071 Invalid, 3010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 2951 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-04-01 06:03:08,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2329 states. [2023-04-01 06:03:08,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2329 to 1914. [2023-04-01 06:03:08,465 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) [2023-04-01 06:03:08,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2154 transitions. [2023-04-01 06:03:08,472 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2154 transitions. Word has length 203 [2023-04-01 06:03:08,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:03:08,472 INFO L495 AbstractCegarLoop]: Abstraction has 1914 states and 2154 transitions. [2023-04-01 06:03:08,472 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) [2023-04-01 06:03:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2154 transitions. [2023-04-01 06:03:08,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-04-01 06:03:08,475 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:03:08,476 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] [2023-04-01 06:03:08,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-01 06:03:08,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-04-01 06:03:08,701 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:03:08,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:03:08,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1568411205, now seen corresponding path program 1 times [2023-04-01 06:03:08,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:03:08,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725648950] [2023-04-01 06:03:08,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:03:08,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 06:03:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:03:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 50 proven. 21 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-04-01 06:03:09,332 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 06:03:09,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725648950] [2023-04-01 06:03:09,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725648950] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 06:03:09,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283769457] [2023-04-01 06:03:09,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:03:09,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:03:09,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:03:09,335 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 06:03:09,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-01 06:03:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 06:03:09,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 46 conjunts are in the unsatisfiable core [2023-04-01 06:03:09,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 06:03:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 106 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-01 06:03:09,861 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 06:03:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-04-01 06:03:11,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283769457] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 06:03:11,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1003574738] [2023-04-01 06:03:11,358 INFO L159 IcfgInterpreter]: Started Sifa with 109 locations of interest [2023-04-01 06:03:11,359 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 06:03:11,359 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 06:03:11,359 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 06:03:11,359 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 06:03:11,432 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-01 06:03:11,451 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 36 for LOIs [2023-04-01 06:03:11,531 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 36 for LOIs [2023-04-01 06:03:11,560 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 36 for LOIs [2023-04-01 06:03:14,338 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 54 for LOIs [2023-04-01 06:03:14,345 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2023-04-01 06:03:14,686 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 37 for LOIs [2023-04-01 06:03:14,690 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 41 for LOIs [2023-04-01 06:03:14,827 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__methaneQuery with input of size 28 for LOIs [2023-04-01 06:03:14,942 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 26 for LOIs [2023-04-01 06:03:14,998 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 26 for LOIs [2023-04-01 06:03:15,001 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 38 for LOIs [2023-04-01 06:03:15,045 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneAlarm with input of size 36 for LOIs [2023-04-01 06:03:15,113 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 36 for LOIs [2023-04-01 06:03:15,119 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump__wrappee__highWaterSensor with input of size 26 for LOIs [2023-04-01 06:03:15,121 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 37 for LOIs [2023-04-01 06:03:15,123 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 40 for LOIs [2023-04-01 06:03:15,127 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 26 for LOIs [2023-04-01 06:03:15,128 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 26 for LOIs [2023-04-01 06:03:15,129 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 61 for LOIs [2023-04-01 06:03:15,400 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 70 for LOIs [2023-04-01 06:03:15,416 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 61 for LOIs [2023-04-01 06:03:15,421 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 31 for LOIs [2023-04-01 06:03:15,440 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 28 for LOIs [2023-04-01 06:03:15,442 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 28 for LOIs [2023-04-01 06:03:15,444 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 26 for LOIs [2023-04-01 06:03:15,445 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 26 for LOIs [2023-04-01 06:03:15,447 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-01 06:03:23,742 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '21332#(and (<= (+ ~pumpRunning~0 ~methaneLevelCritical~0) 2147483647) (not (= ~pumpRunning~0 0)) (<= ~pumpRunning~0 1) (= ~head~0.offset 0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2147483647) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~pumpRunning~0 (+ 2147483649 ~waterLevel~0)) (<= ~pumpRunning~0 |#StackHeapBarrier|) (= ~switchedOnBeforeTS~0 0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-01 06:03:23,743 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-01 06:03:23,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 06:03:23,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 15] total 36 [2023-04-01 06:03:23,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695631698] [2023-04-01 06:03:23,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 06:03:23,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-04-01 06:03:23,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 06:03:23,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-04-01 06:03:23,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=684, Invalid=10236, Unknown=0, NotChecked=0, Total=10920 [2023-04-01 06:03:23,756 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) [2023-04-01 06:03:25,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 06:03:25,296 INFO L93 Difference]: Finished difference Result 3574 states and 4153 transitions. [2023-04-01 06:03:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-04-01 06:03:25,296 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 [2023-04-01 06:03:25,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 06:03:25,298 INFO L225 Difference]: With dead ends: 3574 [2023-04-01 06:03:25,298 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 06:03:25,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 550 SyntacticMatches, 25 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9368 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=1274, Invalid=18748, Unknown=0, NotChecked=0, Total=20022 [2023-04-01 06:03:25,310 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 518 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 2906 mSolverCounterSat, 467 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 3373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 467 IncrementalHoareTripleChecker+Valid, 2906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-01 06:03:25,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 754 Invalid, 3373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [467 Valid, 2906 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-01 06:03:25,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 06:03:25,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 06:03:25,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 06:03:25,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 06:03:25,312 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2023-04-01 06:03:25,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 06:03:25,312 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 06:03:25,312 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) [2023-04-01 06:03:25,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 06:03:25,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 06:03:25,315 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 06:03:25,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-01 06:03:25,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 06:03:25,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point L284-2(lines 284 305) no Hoare annotation was computed. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point L306(lines 283 307) no Hoare annotation was computed. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 259 314) no Hoare annotation was computed. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 259 314) no Hoare annotation was computed. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 294) no Hoare annotation was computed. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 315 374) no Hoare annotation was computed. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point L341-2(lines 341 366) no Hoare annotation was computed. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point L367(lines 340 368) no Hoare annotation was computed. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 315 374) no Hoare annotation was computed. [2023-04-01 06:03:33,365 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 315 374) no Hoare annotation was computed. [2023-04-01 06:03:33,366 INFO L899 garLoopResultBuilder]: For program point L360(line 360) no Hoare annotation was computed. [2023-04-01 06:03:33,366 INFO L899 garLoopResultBuilder]: For program point L360-1(line 360) no Hoare annotation was computed. [2023-04-01 06:03:33,366 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 696 704) no Hoare annotation was computed. [2023-04-01 06:03:33,366 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 696 704) the Hoare annotation is: true [2023-04-01 06:03:33,366 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2023-04-01 06:03:33,366 INFO L899 garLoopResultBuilder]: For program point L193-1(lines 193 200) no Hoare annotation was computed. [2023-04-01 06:03:33,366 INFO L899 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2023-04-01 06:03:33,366 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))) [2023-04-01 06:03:33,366 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))) [2023-04-01 06:03:33,366 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))) [2023-04-01 06:03:33,366 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 183 205) no Hoare annotation was computed. [2023-04-01 06:03:33,366 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))) [2023-04-01 06:03:33,366 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))) [2023-04-01 06:03:33,367 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))) [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 137 160) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 137 160) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L153(line 153) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L150(line 150) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 137 160) no Hoare annotation was computed. [2023-04-01 06:03:33,367 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 682 688) no Hoare annotation was computed. [2023-04-01 06:03:33,368 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 682 688) the Hoare annotation is: true [2023-04-01 06:03:33,368 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 526 571) no Hoare annotation was computed. [2023-04-01 06:03:33,368 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 526 571) no Hoare annotation was computed. [2023-04-01 06:03:33,368 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 656 669) the Hoare annotation is: true [2023-04-01 06:03:33,368 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 656 669) no Hoare annotation was computed. [2023-04-01 06:03:33,368 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))) [2023-04-01 06:03:33,368 INFO L899 garLoopResultBuilder]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2023-04-01 06:03:33,368 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))) [2023-04-01 06:03:33,368 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))) [2023-04-01 06:03:33,368 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 782 806) no Hoare annotation was computed. [2023-04-01 06:03:33,378 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 798) no Hoare annotation was computed. [2023-04-01 06:03:33,379 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)))) [2023-04-01 06:03:33,379 INFO L899 garLoopResultBuilder]: For program point L788-1(line 788) no Hoare annotation was computed. [2023-04-01 06:03:33,379 INFO L899 garLoopResultBuilder]: For program point L786(lines 786 803) no Hoare annotation was computed. [2023-04-01 06:03:33,379 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))) [2023-04-01 06:03:33,379 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 748 754) no Hoare annotation was computed. [2023-04-01 06:03:33,379 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 748 754) the Hoare annotation is: true [2023-04-01 06:03:33,379 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)))) [2023-04-01 06:03:33,379 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 960) no Hoare annotation was computed. [2023-04-01 06:03:33,379 INFO L899 garLoopResultBuilder]: For program point L954-1(lines 954 960) no Hoare annotation was computed. [2023-04-01 06:03:33,379 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 924 989) no Hoare annotation was computed. [2023-04-01 06:03:33,380 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)))) [2023-04-01 06:03:33,380 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))) [2023-04-01 06:03:33,380 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 950) no Hoare annotation was computed. [2023-04-01 06:03:33,380 INFO L899 garLoopResultBuilder]: For program point L944-1(lines 944 950) no Hoare annotation was computed. [2023-04-01 06:03:33,380 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))) [2023-04-01 06:03:33,380 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))) [2023-04-01 06:03:33,380 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))) [2023-04-01 06:03:33,381 INFO L899 garLoopResultBuilder]: For program point L935(lines 934 981) no Hoare annotation was computed. [2023-04-01 06:03:33,381 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))) [2023-04-01 06:03:33,381 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 977) no Hoare annotation was computed. [2023-04-01 06:03:33,381 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 924 989) no Hoare annotation was computed. [2023-04-01 06:03:33,381 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 624 646) no Hoare annotation was computed. [2023-04-01 06:03:33,381 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 624 646) no Hoare annotation was computed. [2023-04-01 06:03:33,381 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 815 831) no Hoare annotation was computed. [2023-04-01 06:03:33,381 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))) [2023-04-01 06:03:33,381 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)|))) [2023-04-01 06:03:33,381 INFO L899 garLoopResultBuilder]: For program point L826-1(lines 815 831) no Hoare annotation was computed. [2023-04-01 06:03:33,381 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 828) no Hoare annotation was computed. [2023-04-01 06:03:33,381 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)|))) [2023-04-01 06:03:33,381 INFO L899 garLoopResultBuilder]: For program point L820-1(line 820) no Hoare annotation was computed. [2023-04-01 06:03:33,381 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 647 655) the Hoare annotation is: true [2023-04-01 06:03:33,381 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 647 655) no Hoare annotation was computed. [2023-04-01 06:03:33,381 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 896 914) no Hoare annotation was computed. [2023-04-01 06:03:33,382 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 896 914) the Hoare annotation is: true [2023-04-01 06:03:33,382 INFO L902 garLoopResultBuilder]: At program point L903(line 903) the Hoare annotation is: true [2023-04-01 06:03:33,382 INFO L899 garLoopResultBuilder]: For program point L903-1(line 903) no Hoare annotation was computed. [2023-04-01 06:03:33,382 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)))) [2023-04-01 06:03:33,382 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)|))))) [2023-04-01 06:03:33,382 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))) [2023-04-01 06:03:33,382 INFO L899 garLoopResultBuilder]: For program point L728(lines 724 746) no Hoare annotation was computed. [2023-04-01 06:03:33,382 INFO L899 garLoopResultBuilder]: For program point L726(lines 724 746) no Hoare annotation was computed. [2023-04-01 06:03:33,382 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 721 747) no Hoare annotation was computed. [2023-04-01 06:03:33,382 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)))) [2023-04-01 06:03:33,382 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 721 747) no Hoare annotation was computed. [2023-04-01 06:03:33,382 INFO L902 garLoopResultBuilder]: At program point L129(lines 104 133) the Hoare annotation is: true [2023-04-01 06:03:33,388 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2023-04-01 06:03:33,389 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2023-04-01 06:03:33,389 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2023-04-01 06:03:33,389 INFO L902 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: true [2023-04-01 06:03:33,389 INFO L902 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: true [2023-04-01 06:03:33,389 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2023-04-01 06:03:33,389 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2023-04-01 06:03:33,389 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 104 133) the Hoare annotation is: true [2023-04-01 06:03:33,389 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 615 623) the Hoare annotation is: true [2023-04-01 06:03:33,389 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 615 623) no Hoare annotation was computed. [2023-04-01 06:03:33,389 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 579 590) no Hoare annotation was computed. [2023-04-01 06:03:33,389 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)|)) [2023-04-01 06:03:33,389 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 915 922) no Hoare annotation was computed. [2023-04-01 06:03:33,390 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))))) [2023-04-01 06:03:33,390 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2023-04-01 06:03:33,390 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)))) [2023-04-01 06:03:33,390 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 706 713) the Hoare annotation is: true [2023-04-01 06:03:33,390 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 710) no Hoare annotation was computed. [2023-04-01 06:03:33,390 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 706 713) no Hoare annotation was computed. [2023-04-01 06:03:33,390 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 689 695) the Hoare annotation is: true [2023-04-01 06:03:33,390 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 689 695) no Hoare annotation was computed. [2023-04-01 06:03:33,390 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 54 61) no Hoare annotation was computed. [2023-04-01 06:03:33,390 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)) [2023-04-01 06:03:33,390 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 62 71) no Hoare annotation was computed. [2023-04-01 06:03:33,390 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)))) [2023-04-01 06:03:33,390 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-04-01 06:03:33,390 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)))) [2023-04-01 06:03:33,391 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-04-01 06:03:33,391 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-04-01 06:03:33,391 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)))) [2023-04-01 06:03:33,391 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-04-01 06:03:33,391 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-04-01 06:03:33,391 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-04-01 06:03:33,391 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-04-01 06:03:33,391 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-04-01 06:03:33,391 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 72 100) no Hoare annotation was computed. [2023-04-01 06:03:33,391 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 72 100) the Hoare annotation is: true [2023-04-01 06:03:33,391 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))) [2023-04-01 06:03:33,391 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 772) no Hoare annotation was computed. [2023-04-01 06:03:33,391 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))) [2023-04-01 06:03:33,391 INFO L899 garLoopResultBuilder]: For program point L762-1(line 762) no Hoare annotation was computed. [2023-04-01 06:03:33,391 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 777) no Hoare annotation was computed. [2023-04-01 06:03:33,391 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 756 780) no Hoare annotation was computed. [2023-04-01 06:03:33,392 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))) [2023-04-01 06:03:33,392 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))) [2023-04-01 06:03:33,392 INFO L899 garLoopResultBuilder]: For program point L775-1(lines 756 780) no Hoare annotation was computed. [2023-04-01 06:03:33,392 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))) [2023-04-01 06:03:33,392 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 851 859) no Hoare annotation was computed. [2023-04-01 06:03:33,392 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 851 859) the Hoare annotation is: true [2023-04-01 06:03:33,392 INFO L899 garLoopResultBuilder]: For program point L890(line 890) no Hoare annotation was computed. [2023-04-01 06:03:33,392 INFO L899 garLoopResultBuilder]: For program point L890-1(line 890) no Hoare annotation was computed. [2023-04-01 06:03:33,392 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 860 895) no Hoare annotation was computed. [2023-04-01 06:03:33,392 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 860 895) no Hoare annotation was computed. [2023-04-01 06:03:33,392 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 213 258) no Hoare annotation was computed. [2023-04-01 06:03:33,392 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 213 258) no Hoare annotation was computed. [2023-04-01 06:03:33,392 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))) [2023-04-01 06:03:33,392 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 169 179) no Hoare annotation was computed. [2023-04-01 06:03:33,392 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))) [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 169 179) no Hoare annotation was computed. [2023-04-01 06:03:33,393 INFO L902 garLoopResultBuilder]: At program point L845(line 845) the Hoare annotation is: true [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point L845-1(line 845) no Hoare annotation was computed. [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 840 850) no Hoare annotation was computed. [2023-04-01 06:03:33,393 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 840 850) the Hoare annotation is: true [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 832 839) no Hoare annotation was computed. [2023-04-01 06:03:33,393 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)) [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 480 525) no Hoare annotation was computed. [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 480 525) no Hoare annotation was computed. [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 807 814) no Hoare annotation was computed. [2023-04-01 06:03:33,393 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)|))) [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point L442(line 442) no Hoare annotation was computed. [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point L442-1(line 442) no Hoare annotation was computed. [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 377 479) no Hoare annotation was computed. [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point L426-2(lines 426 446) no Hoare annotation was computed. [2023-04-01 06:03:33,393 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 377 479) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point L447(lines 425 448) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 422) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 377 479) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point L427(lines 426 446) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point L458-1(line 458) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 464) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 672 681) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 672 681) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 06:03:33,394 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)))) [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 161 167) no Hoare annotation was computed. [2023-04-01 06:03:33,394 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 161 167) the Hoare annotation is: true [2023-04-01 06:03:33,395 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 06:03:33,395 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) [2023-04-01 06:03:33,395 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 06:03:33,395 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 06:03:33,397 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 06:03:33,398 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 06:03:33,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 06:03:33 BoogieIcfgContainer [2023-04-01 06:03:33,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 06:03:33,410 INFO L158 Benchmark]: Toolchain (without parser) took 57425.01ms. Allocated memory was 318.8MB in the beginning and 1.2GB in the end (delta: 882.9MB). Free memory was 270.0MB in the beginning and 622.6MB in the end (delta: -352.7MB). Peak memory consumption was 723.0MB. Max. memory is 8.0GB. [2023-04-01 06:03:33,410 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 06:03:33,410 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.67ms. Allocated memory is still 318.8MB. Free memory was 270.0MB in the beginning and 251.2MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-01 06:03:33,410 INFO L158 Benchmark]: Boogie Preprocessor took 40.85ms. Allocated memory is still 318.8MB. Free memory was 251.2MB in the beginning and 247.8MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 06:03:33,411 INFO L158 Benchmark]: RCFGBuilder took 682.03ms. Allocated memory is still 318.8MB. Free memory was 247.8MB in the beginning and 249.1MB in the end (delta: -1.3MB). Peak memory consumption was 33.8MB. Max. memory is 8.0GB. [2023-04-01 06:03:33,411 INFO L158 Benchmark]: TraceAbstraction took 56443.81ms. Allocated memory was 318.8MB in the beginning and 1.2GB in the end (delta: 882.9MB). Free memory was 248.6MB in the beginning and 622.6MB in the end (delta: -374.1MB). Peak memory consumption was 700.7MB. Max. memory is 8.0GB. [2023-04-01 06:03:33,413 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 179.3MB. Free memory is still 128.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 254.67ms. Allocated memory is still 318.8MB. Free memory was 270.0MB in the beginning and 251.2MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.85ms. Allocated memory is still 318.8MB. Free memory was 251.2MB in the beginning and 247.8MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 682.03ms. Allocated memory is still 318.8MB. Free memory was 247.8MB in the beginning and 249.1MB in the end (delta: -1.3MB). Peak memory consumption was 33.8MB. Max. memory is 8.0GB. * TraceAbstraction took 56443.81ms. Allocated memory was 318.8MB in the beginning and 1.2GB in the end (delta: 882.9MB). Free memory was 248.6MB in the beginning and 622.6MB in the end (delta: -374.1MB). Peak memory consumption was 700.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 56.4s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2259 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2185 mSDsluCounter, 8079 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6700 mSDsCounter, 1234 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9410 IncrementalHoareTripleChecker+Invalid, 10644 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1234 mSolverCounterUnsat, 1379 mSDtfsCounter, 9410 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1959 GetRequests, 1480 SyntacticMatches, 63 SemanticMatches, 416 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19896 ImplicationChecksByTransitivity, 23.4s 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 702 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 2807 PreInvPairs, 3072 NumberOfFragments, 3097 HoareAnnotationTreeSize, 2807 FomulaSimplifications, 47474 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 53011 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.1s 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! [2023-04-01 06:03:33,441 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...