/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_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 00:58:20,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 00:58:20,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 00:58:20,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 00:58:20,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 00:58:20,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 00:58:20,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 00:58:20,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 00:58:20,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 00:58:20,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 00:58:20,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 00:58:20,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 00:58:20,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 00:58:20,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 00:58:20,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 00:58:20,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 00:58:20,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 00:58:20,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 00:58:20,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 00:58:20,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 00:58:20,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 00:58:20,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 00:58:20,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 00:58:20,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 00:58:20,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 00:58:20,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 00:58:20,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 00:58:20,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 00:58:20,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 00:58:20,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 00:58:20,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 00:58:20,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 00:58:20,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 00:58:20,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 00:58:20,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 00:58:20,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 00:58:20,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 00:58:20,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 00:58:20,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 00:58:20,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 00:58:20,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 00:58:20,103 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-03 00:58:20,137 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 00:58:20,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 00:58:20,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 00:58:20,138 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 00:58:20,139 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 00:58:20,139 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 00:58:20,139 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 00:58:20,139 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 00:58:20,139 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 00:58:20,139 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 00:58:20,140 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 00:58:20,140 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 00:58:20,140 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 00:58:20,141 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 00:58:20,141 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 00:58:20,141 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 00:58:20,141 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 00:58:20,141 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 00:58:20,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 00:58:20,142 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 00:58:20,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 00:58:20,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 00:58:20,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 00:58:20,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 00:58:20,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 00:58:20,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 00:58:20,143 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 00:58:20,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 00:58:20,143 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 00:58:20,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 00:58:20,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 00:58:20,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 00:58:20,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:58:20,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 00:58:20,144 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 00:58:20,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 00:58:20,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 00:58:20,144 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 00:58:20,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 00:58:20,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 00:58:20,145 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 00:58:20,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 00:58:20,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 00:58:20,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 00:58:20,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 00:58:20,407 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 00:58:20,408 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 00:58:20,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2023-04-03 00:58:21,633 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 00:58:21,876 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 00:58:21,881 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2023-04-03 00:58:21,892 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fe5288c/c803e18d488647b8be157bec331f11db/FLAG925871d70 [2023-04-03 00:58:21,903 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fe5288c/c803e18d488647b8be157bec331f11db [2023-04-03 00:58:21,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 00:58:21,906 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 00:58:21,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 00:58:21,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 00:58:21,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 00:58:21,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:58:21" (1/1) ... [2023-04-03 00:58:21,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32a778ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:58:21, skipping insertion in model container [2023-04-03 00:58:21,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 12:58:21" (1/1) ... [2023-04-03 00:58:21,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 00:58:21,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 00:58:22,078 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_spec1_product28.cil.c[1605,1618] [2023-04-03 00:58:22,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:58:22,214 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 00:58:22,244 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_spec1_product28.cil.c[1605,1618] [2023-04-03 00:58:22,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 00:58:22,363 INFO L208 MainTranslator]: Completed translation [2023-04-03 00:58:22,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:58:22 WrapperNode [2023-04-03 00:58:22,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 00:58:22,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 00:58:22,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 00:58:22,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 00:58:22,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:58:22" (1/1) ... [2023-04-03 00:58:22,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:58:22" (1/1) ... [2023-04-03 00:58:22,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:58:22" (1/1) ... [2023-04-03 00:58:22,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:58:22" (1/1) ... [2023-04-03 00:58:22,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:58:22" (1/1) ... [2023-04-03 00:58:22,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:58:22" (1/1) ... [2023-04-03 00:58:22,434 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:58:22" (1/1) ... [2023-04-03 00:58:22,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:58:22" (1/1) ... [2023-04-03 00:58:22,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 00:58:22,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 00:58:22,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 00:58:22,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 00:58:22,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:58:22" (1/1) ... [2023-04-03 00:58:22,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 00:58:22,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 00:58:22,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-03 00:58:22,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-03 00:58:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 00:58:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 00:58:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-03 00:58:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 00:58:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-03 00:58:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-03 00:58:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-03 00:58:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-03 00:58:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-03 00:58:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-03 00:58:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-03 00:58:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-03 00:58:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-03 00:58:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-03 00:58:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-03 00:58:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-03 00:58:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-03 00:58:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-04-03 00:58:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-03 00:58:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-03 00:58:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-03 00:58:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-03 00:58:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 00:58:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-03 00:58:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-03 00:58:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-03 00:58:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-03 00:58:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-03 00:58:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-04-03 00:58:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-04-03 00:58:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-03 00:58:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2023-04-03 00:58:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-03 00:58:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-03 00:58:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-03 00:58:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-03 00:58:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-03 00:58:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-03 00:58:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-03 00:58:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-03 00:58:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 00:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 00:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 00:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 00:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 00:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 00:58:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-03 00:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-03 00:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-03 00:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-03 00:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-03 00:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-03 00:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-03 00:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 00:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-03 00:58:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-03 00:58:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 00:58:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-03 00:58:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-03 00:58:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 00:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-03 00:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-03 00:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-03 00:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-03 00:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-03 00:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-03 00:58:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-03 00:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-03 00:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-03 00:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-04-03 00:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-03 00:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-04-03 00:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-03 00:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-03 00:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-03 00:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-03 00:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-03 00:58:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-03 00:58:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-03 00:58:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2023-04-03 00:58:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-03 00:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-03 00:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-04-03 00:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-04-03 00:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-03 00:58:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-03 00:58:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-03 00:58:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-03 00:58:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-03 00:58:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-03 00:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-03 00:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-03 00:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 00:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 00:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 00:58:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 00:58:22,661 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 00:58:22,675 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 00:58:23,313 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 00:58:23,477 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 00:58:23,477 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-03 00:58:23,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:58:23 BoogieIcfgContainer [2023-04-03 00:58:23,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 00:58:23,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 00:58:23,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 00:58:23,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 00:58:23,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 12:58:21" (1/3) ... [2023-04-03 00:58:23,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fd6ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:58:23, skipping insertion in model container [2023-04-03 00:58:23,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 12:58:22" (2/3) ... [2023-04-03 00:58:23,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66fd6ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 12:58:23, skipping insertion in model container [2023-04-03 00:58:23,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 12:58:23" (3/3) ... [2023-04-03 00:58:23,488 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2023-04-03 00:58:23,504 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 00:58:23,504 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 00:58:23,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 00:58:23,554 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;@7a99b8d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 00:58:23,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 00:58:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 64 states have (on average 1.28125) internal successors, (82), 78 states have internal predecessors, (82), 44 states have call successors, (44), 27 states have call predecessors, (44), 27 states have return successors, (44), 41 states have call predecessors, (44), 44 states have call successors, (44) [2023-04-03 00:58:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-04-03 00:58:23,565 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:58:23,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:58:23,566 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:58:23,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:58:23,573 INFO L85 PathProgramCache]: Analyzing trace with hash 304110235, now seen corresponding path program 1 times [2023-04-03 00:58:23,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:58:23,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099243927] [2023-04-03 00:58:23,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:58:23,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:58:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:58:23,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:58:23,812 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:58:23,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099243927] [2023-04-03 00:58:23,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099243927] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:58:23,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:58:23,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-03 00:58:23,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121757122] [2023-04-03 00:58:23,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:58:23,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-03 00:58:23,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:58:23,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-03 00:58:23,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:58:23,867 INFO L87 Difference]: Start difference. First operand has 140 states, 64 states have (on average 1.28125) internal successors, (82), 78 states have internal predecessors, (82), 44 states have call successors, (44), 27 states have call predecessors, (44), 27 states have return successors, (44), 41 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 00:58:23,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:58:23,957 INFO L93 Difference]: Finished difference Result 195 states and 238 transitions. [2023-04-03 00:58:23,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-03 00:58:23,959 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-04-03 00:58:23,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:58:23,969 INFO L225 Difference]: With dead ends: 195 [2023-04-03 00:58:23,969 INFO L226 Difference]: Without dead ends: 98 [2023-04-03 00:58:23,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-03 00:58:23,979 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:58:23,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:58:23,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-04-03 00:58:24,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-04-03 00:58:24,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 50 states have (on average 1.24) internal successors, (62), 60 states have internal predecessors, (62), 28 states have call successors, (28), 24 states have call predecessors, (28), 19 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2023-04-03 00:58:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 113 transitions. [2023-04-03 00:58:24,025 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 113 transitions. Word has length 42 [2023-04-03 00:58:24,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:58:24,025 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 113 transitions. [2023-04-03 00:58:24,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 00:58:24,026 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2023-04-03 00:58:24,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-04-03 00:58:24,028 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:58:24,029 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:58:24,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-03 00:58:24,029 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:58:24,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:58:24,030 INFO L85 PathProgramCache]: Analyzing trace with hash 514034720, now seen corresponding path program 1 times [2023-04-03 00:58:24,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:58:24,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341020745] [2023-04-03 00:58:24,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:58:24,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:58:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:58:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:58:24,167 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:58:24,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341020745] [2023-04-03 00:58:24,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341020745] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:58:24,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:58:24,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-03 00:58:24,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569497445] [2023-04-03 00:58:24,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:58:24,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-03 00:58:24,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:58:24,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-03 00:58:24,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:58:24,170 INFO L87 Difference]: Start difference. First operand 98 states and 113 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 00:58:24,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:58:24,233 INFO L93 Difference]: Finished difference Result 143 states and 163 transitions. [2023-04-03 00:58:24,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-03 00:58:24,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-04-03 00:58:24,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:58:24,235 INFO L225 Difference]: With dead ends: 143 [2023-04-03 00:58:24,235 INFO L226 Difference]: Without dead ends: 90 [2023-04-03 00:58:24,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-03 00:58:24,240 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 11 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-03 00:58:24,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 161 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-03 00:58:24,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-04-03 00:58:24,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-04-03 00:58:24,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 55 states have internal predecessors, (56), 25 states have call successors, (25), 23 states have call predecessors, (25), 19 states have return successors, (21), 18 states have call predecessors, (21), 21 states have call successors, (21) [2023-04-03 00:58:24,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2023-04-03 00:58:24,252 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 43 [2023-04-03 00:58:24,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:58:24,252 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2023-04-03 00:58:24,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-04-03 00:58:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2023-04-03 00:58:24,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-03 00:58:24,254 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:58:24,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:58:24,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-03 00:58:24,254 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:58:24,255 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:58:24,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1153295119, now seen corresponding path program 1 times [2023-04-03 00:58:24,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:58:24,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21903585] [2023-04-03 00:58:24,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:58:24,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:58:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:58:24,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:58:24,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:58:24,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21903585] [2023-04-03 00:58:24,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21903585] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:58:24,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:58:24,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 00:58:24,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629824122] [2023-04-03 00:58:24,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:58:24,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 00:58:24,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:58:24,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 00:58:24,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-03 00:58:24,436 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 00:58:24,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:58:24,651 INFO L93 Difference]: Finished difference Result 271 states and 322 transitions. [2023-04-03 00:58:24,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-03 00:58:24,651 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 47 [2023-04-03 00:58:24,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:58:24,654 INFO L225 Difference]: With dead ends: 271 [2023-04-03 00:58:24,654 INFO L226 Difference]: Without dead ends: 203 [2023-04-03 00:58:24,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-03 00:58:24,656 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 154 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-03 00:58:24,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 450 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-03 00:58:24,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-04-03 00:58:24,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 191. [2023-04-03 00:58:24,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 102 states have (on average 1.2843137254901962) internal successors, (131), 121 states have internal predecessors, (131), 49 states have call successors, (49), 45 states have call predecessors, (49), 39 states have return successors, (46), 37 states have call predecessors, (46), 45 states have call successors, (46) [2023-04-03 00:58:24,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 226 transitions. [2023-04-03 00:58:24,686 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 226 transitions. Word has length 47 [2023-04-03 00:58:24,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:58:24,686 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 226 transitions. [2023-04-03 00:58:24,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-04-03 00:58:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2023-04-03 00:58:24,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-04-03 00:58:24,688 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:58:24,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:58:24,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-03 00:58:24,689 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:58:24,689 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:58:24,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1145338745, now seen corresponding path program 1 times [2023-04-03 00:58:24,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:58:24,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987837820] [2023-04-03 00:58:24,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:58:24,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:58:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:58:24,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:58:24,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:58:24,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987837820] [2023-04-03 00:58:24,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987837820] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:58:24,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:58:24,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-03 00:58:24,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436175553] [2023-04-03 00:58:24,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:58:24,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-03 00:58:24,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:58:24,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-03 00:58:24,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-03 00:58:24,835 INFO L87 Difference]: Start difference. First operand 191 states and 226 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 00:58:24,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:58:24,976 INFO L93 Difference]: Finished difference Result 514 states and 627 transitions. [2023-04-03 00:58:24,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 00:58:24,976 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 51 [2023-04-03 00:58:24,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:58:24,980 INFO L225 Difference]: With dead ends: 514 [2023-04-03 00:58:24,980 INFO L226 Difference]: Without dead ends: 345 [2023-04-03 00:58:24,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-03 00:58:24,982 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 64 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:58:24,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 373 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:58:24,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-04-03 00:58:25,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 333. [2023-04-03 00:58:25,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 182 states have (on average 1.2857142857142858) internal successors, (234), 216 states have internal predecessors, (234), 83 states have call successors, (83), 75 states have call predecessors, (83), 67 states have return successors, (81), 63 states have call predecessors, (81), 79 states have call successors, (81) [2023-04-03 00:58:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 398 transitions. [2023-04-03 00:58:25,056 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 398 transitions. Word has length 51 [2023-04-03 00:58:25,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:58:25,057 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 398 transitions. [2023-04-03 00:58:25,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-03 00:58:25,057 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 398 transitions. [2023-04-03 00:58:25,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-04-03 00:58:25,060 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 00:58:25,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-03 00:58:25,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-03 00:58:25,060 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 00:58:25,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 00:58:25,061 INFO L85 PathProgramCache]: Analyzing trace with hash -368048554, now seen corresponding path program 1 times [2023-04-03 00:58:25,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 00:58:25,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517353386] [2023-04-03 00:58:25,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 00:58:25,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-03 00:58:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-03 00:58:25,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-03 00:58:25,327 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-03 00:58:25,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517353386] [2023-04-03 00:58:25,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517353386] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-03 00:58:25,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-03 00:58:25,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-03 00:58:25,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000186636] [2023-04-03 00:58:25,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-03 00:58:25,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-03 00:58:25,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-03 00:58:25,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-03 00:58:25,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-03 00:58:25,333 INFO L87 Difference]: Start difference. First operand 333 states and 398 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-03 00:58:25,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-03 00:58:25,541 INFO L93 Difference]: Finished difference Result 567 states and 704 transitions. [2023-04-03 00:58:25,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-03 00:58:25,542 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 54 [2023-04-03 00:58:25,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-03 00:58:25,543 INFO L225 Difference]: With dead ends: 567 [2023-04-03 00:58:25,543 INFO L226 Difference]: Without dead ends: 0 [2023-04-03 00:58:25,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-04-03 00:58:25,551 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 67 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-03 00:58:25,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 133 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-03 00:58:25,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-03 00:58:25,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-03 00:58:25,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-03 00:58:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-03 00:58:25,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2023-04-03 00:58:25,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-03 00:58:25,554 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-03 00:58:25,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-04-03 00:58:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-03 00:58:25,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-03 00:58:25,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-03 00:58:25,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-03 00:58:25,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-03 00:58:26,373 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-03 00:58:26,373 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-03 00:58:26,374 INFO L899 garLoopResultBuilder]: For program point L158(lines 135 159) no Hoare annotation was computed. [2023-04-03 00:58:26,374 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2023-04-03 00:58:26,374 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 111 166) no Hoare annotation was computed. [2023-04-03 00:58:26,374 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 111 166) no Hoare annotation was computed. [2023-04-03 00:58:26,374 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 157) no Hoare annotation was computed. [2023-04-03 00:58:26,374 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 218) no Hoare annotation was computed. [2023-04-03 00:58:26,374 INFO L899 garLoopResultBuilder]: For program point L219(lines 192 220) no Hoare annotation was computed. [2023-04-03 00:58:26,374 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 167 226) no Hoare annotation was computed. [2023-04-03 00:58:26,374 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-03 00:58:26,374 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2023-04-03 00:58:26,374 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 167 226) no Hoare annotation was computed. [2023-04-03 00:58:26,375 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 167 226) no Hoare annotation was computed. [2023-04-03 00:58:26,375 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 203) no Hoare annotation was computed. [2023-04-03 00:58:26,375 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 846 854) no Hoare annotation was computed. [2023-04-03 00:58:26,375 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 846 854) the Hoare annotation is: true [2023-04-03 00:58:26,375 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 928 950) no Hoare annotation was computed. [2023-04-03 00:58:26,375 INFO L895 garLoopResultBuilder]: At program point L940(line 940) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~8 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,375 INFO L895 garLoopResultBuilder]: At program point L940-1(line 940) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~8 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,375 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 945) no Hoare annotation was computed. [2023-04-03 00:58:26,376 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 928 950) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,376 INFO L899 garLoopResultBuilder]: For program point L938-1(lines 938 945) no Hoare annotation was computed. [2023-04-03 00:58:26,376 INFO L899 garLoopResultBuilder]: For program point L936(line 936) no Hoare annotation was computed. [2023-04-03 00:58:26,376 INFO L895 garLoopResultBuilder]: At program point L935(line 935) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,376 INFO L895 garLoopResultBuilder]: At program point L934(line 934) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,376 INFO L895 garLoopResultBuilder]: At program point L934-1(line 934) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,376 INFO L899 garLoopResultBuilder]: For program point L897(line 897) no Hoare annotation was computed. [2023-04-03 00:58:26,376 INFO L899 garLoopResultBuilder]: For program point L896(line 896) no Hoare annotation was computed. [2023-04-03 00:58:26,377 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 887 910) no Hoare annotation was computed. [2023-04-03 00:58:26,377 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-04-03 00:58:26,377 INFO L899 garLoopResultBuilder]: For program point L894(line 894) no Hoare annotation was computed. [2023-04-03 00:58:26,377 INFO L899 garLoopResultBuilder]: For program point L893(line 893) no Hoare annotation was computed. [2023-04-03 00:58:26,377 INFO L899 garLoopResultBuilder]: For program point L892(line 892) no Hoare annotation was computed. [2023-04-03 00:58:26,377 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 887 910) no Hoare annotation was computed. [2023-04-03 00:58:26,377 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 887 910) no Hoare annotation was computed. [2023-04-03 00:58:26,377 INFO L899 garLoopResultBuilder]: For program point L905(line 905) no Hoare annotation was computed. [2023-04-03 00:58:26,379 INFO L899 garLoopResultBuilder]: For program point L904(line 904) no Hoare annotation was computed. [2023-04-03 00:58:26,380 INFO L899 garLoopResultBuilder]: For program point L903(line 903) no Hoare annotation was computed. [2023-04-03 00:58:26,380 INFO L899 garLoopResultBuilder]: For program point L902(line 902) no Hoare annotation was computed. [2023-04-03 00:58:26,380 INFO L899 garLoopResultBuilder]: For program point L901(line 901) no Hoare annotation was computed. [2023-04-03 00:58:26,380 INFO L899 garLoopResultBuilder]: For program point L900(line 900) no Hoare annotation was computed. [2023-04-03 00:58:26,380 INFO L899 garLoopResultBuilder]: For program point L899(line 899) no Hoare annotation was computed. [2023-04-03 00:58:26,380 INFO L899 garLoopResultBuilder]: For program point L898(line 898) no Hoare annotation was computed. [2023-04-03 00:58:26,380 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 768 782) no Hoare annotation was computed. [2023-04-03 00:58:26,380 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 768 782) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (= |old(~systemActive~0)| 0) .cse0 (not (= 0 ~systemActive~0))) (or .cse0 (= 1 ~systemActive~0) (not (= |old(~systemActive~0)| 1))) (or .cse0 (= ~pumpRunning~0 0)))) [2023-04-03 00:58:26,381 INFO L895 garLoopResultBuilder]: At program point L774(line 774) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-04-03 00:58:26,381 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 778) no Hoare annotation was computed. [2023-04-03 00:58:26,381 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 749 767) the Hoare annotation is: true [2023-04-03 00:58:26,381 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 749 767) no Hoare annotation was computed. [2023-04-03 00:58:26,381 INFO L902 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: true [2023-04-03 00:58:26,381 INFO L899 garLoopResultBuilder]: For program point L756-1(line 756) no Hoare annotation was computed. [2023-04-03 00:58:26,381 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 832 838) no Hoare annotation was computed. [2023-04-03 00:58:26,381 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 832 838) the Hoare annotation is: true [2023-04-03 00:58:26,382 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 378 423) no Hoare annotation was computed. [2023-04-03 00:58:26,382 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 378 423) no Hoare annotation was computed. [2023-04-03 00:58:26,382 INFO L895 garLoopResultBuilder]: At program point L640(line 640) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-04-03 00:58:26,382 INFO L899 garLoopResultBuilder]: For program point L640-1(line 640) no Hoare annotation was computed. [2023-04-03 00:58:26,382 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 655) no Hoare annotation was computed. [2023-04-03 00:58:26,382 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 634 658) no Hoare annotation was computed. [2023-04-03 00:58:26,382 INFO L895 garLoopResultBuilder]: At program point L653(line 653) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-03 00:58:26,382 INFO L899 garLoopResultBuilder]: For program point L653-1(lines 634 658) no Hoare annotation was computed. [2023-04-03 00:58:26,382 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 634 658) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-04-03 00:58:26,383 INFO L895 garLoopResultBuilder]: At program point L648(line 648) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-04-03 00:58:26,383 INFO L895 garLoopResultBuilder]: At program point L644(line 644) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-04-03 00:58:26,383 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 650) no Hoare annotation was computed. [2023-04-03 00:58:26,383 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 626 632) no Hoare annotation was computed. [2023-04-03 00:58:26,383 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 626 632) the Hoare annotation is: true [2023-04-03 00:58:26,383 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 551) no Hoare annotation was computed. [2023-04-03 00:58:26,383 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2023-04-03 00:58:26,383 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 525 592) no Hoare annotation was computed. [2023-04-03 00:58:26,383 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 525 592) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,384 INFO L895 garLoopResultBuilder]: At program point L585(lines 534 586) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,384 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,384 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2023-04-03 00:58:26,384 INFO L895 garLoopResultBuilder]: At program point L573-1(lines 565 580) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,384 INFO L899 garLoopResultBuilder]: For program point L536(lines 535 584) no Hoare annotation was computed. [2023-04-03 00:58:26,384 INFO L895 garLoopResultBuilder]: At program point L567(line 567) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,384 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 580) no Hoare annotation was computed. [2023-04-03 00:58:26,384 INFO L895 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,384 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 561) no Hoare annotation was computed. [2023-04-03 00:58:26,384 INFO L899 garLoopResultBuilder]: For program point L555-1(lines 555 561) no Hoare annotation was computed. [2023-04-03 00:58:26,384 INFO L895 garLoopResultBuilder]: At program point L582(lines 535 584) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,385 INFO L895 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,385 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 525 592) no Hoare annotation was computed. [2023-04-03 00:58:26,385 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 659 666) no Hoare annotation was computed. [2023-04-03 00:58:26,385 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 659 666) no Hoare annotation was computed. [2023-04-03 00:58:26,385 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 511 519) the Hoare annotation is: true [2023-04-03 00:58:26,385 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 511 519) no Hoare annotation was computed. [2023-04-03 00:58:26,385 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 479 501) no Hoare annotation was computed. [2023-04-03 00:58:26,385 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 479 501) no Hoare annotation was computed. [2023-04-03 00:58:26,385 INFO L899 garLoopResultBuilder]: For program point L673(line 673) no Hoare annotation was computed. [2023-04-03 00:58:26,385 INFO L899 garLoopResultBuilder]: For program point L673-1(line 673) no Hoare annotation was computed. [2023-04-03 00:58:26,386 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 668 684) no Hoare annotation was computed. [2023-04-03 00:58:26,386 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 668 684) no Hoare annotation was computed. [2023-04-03 00:58:26,386 INFO L899 garLoopResultBuilder]: For program point L679(line 679) no Hoare annotation was computed. [2023-04-03 00:58:26,386 INFO L899 garLoopResultBuilder]: For program point L679-1(lines 668 684) no Hoare annotation was computed. [2023-04-03 00:58:26,386 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 681) no Hoare annotation was computed. [2023-04-03 00:58:26,386 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 502 510) no Hoare annotation was computed. [2023-04-03 00:58:26,386 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 502 510) no Hoare annotation was computed. [2023-04-03 00:58:26,386 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 470 478) the Hoare annotation is: true [2023-04-03 00:58:26,386 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 470 478) no Hoare annotation was computed. [2023-04-03 00:58:26,386 INFO L895 garLoopResultBuilder]: At program point L608(line 608) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-04-03 00:58:26,386 INFO L899 garLoopResultBuilder]: For program point L606(lines 605 624) no Hoare annotation was computed. [2023-04-03 00:58:26,386 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 602 625) no Hoare annotation was computed. [2023-04-03 00:58:26,387 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 602 625) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-03 00:58:26,387 INFO L895 garLoopResultBuilder]: At program point L615(line 615) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-04-03 00:58:26,387 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 602 625) no Hoare annotation was computed. [2023-04-03 00:58:26,387 INFO L895 garLoopResultBuilder]: At program point L613(lines 613 619) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-04-03 00:58:26,387 INFO L902 garLoopResultBuilder]: At program point L867-2(lines 867 881) the Hoare annotation is: true [2023-04-03 00:58:26,387 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 857 886) no Hoare annotation was computed. [2023-04-03 00:58:26,387 INFO L902 garLoopResultBuilder]: At program point L863(line 863) the Hoare annotation is: true [2023-04-03 00:58:26,387 INFO L899 garLoopResultBuilder]: For program point L863-1(line 863) no Hoare annotation was computed. [2023-04-03 00:58:26,387 INFO L902 garLoopResultBuilder]: At program point L882(lines 857 886) the Hoare annotation is: true [2023-04-03 00:58:26,387 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2023-04-03 00:58:26,387 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 857 886) the Hoare annotation is: true [2023-04-03 00:58:26,387 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 875) no Hoare annotation was computed. [2023-04-03 00:58:26,387 INFO L902 garLoopResultBuilder]: At program point L871-1(lines 871 875) the Hoare annotation is: true [2023-04-03 00:58:26,388 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 434 445) no Hoare annotation was computed. [2023-04-03 00:58:26,388 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 434 445) the Hoare annotation is: true [2023-04-03 00:58:26,388 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 783 790) no Hoare annotation was computed. [2023-04-03 00:58:26,388 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 783 790) the Hoare annotation is: true [2023-04-03 00:58:26,388 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 446 457) no Hoare annotation was computed. [2023-04-03 00:58:26,388 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 446 457) the Hoare annotation is: true [2023-04-03 00:58:26,388 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-03 00:58:26,388 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-03 00:58:26,388 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-03 00:58:26,388 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 839 845) the Hoare annotation is: true [2023-04-03 00:58:26,388 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 839 845) no Hoare annotation was computed. [2023-04-03 00:58:26,389 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 704 712) no Hoare annotation was computed. [2023-04-03 00:58:26,389 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 704 712) the Hoare annotation is: true [2023-04-03 00:58:26,389 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 713 748) no Hoare annotation was computed. [2023-04-03 00:58:26,389 INFO L899 garLoopResultBuilder]: For program point L743(line 743) no Hoare annotation was computed. [2023-04-03 00:58:26,389 INFO L899 garLoopResultBuilder]: For program point L743-1(line 743) no Hoare annotation was computed. [2023-04-03 00:58:26,389 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 713 748) no Hoare annotation was computed. [2023-04-03 00:58:26,389 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 65 110) no Hoare annotation was computed. [2023-04-03 00:58:26,389 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 65 110) no Hoare annotation was computed. [2023-04-03 00:58:26,389 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 918 927) no Hoare annotation was computed. [2023-04-03 00:58:26,389 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 918 927) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= |old(~systemActive~0)| 1))) [2023-04-03 00:58:26,389 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 918 927) no Hoare annotation was computed. [2023-04-03 00:58:26,389 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 693 703) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point L698(line 698) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 693 703) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point L698-1(line 698) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 685 692) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 685 692) the Hoare annotation is: true [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 332 377) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 332 377) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point L279(lines 278 298) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 316) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 229 331) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2023-04-03 00:58:26,390 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 229 331) no Hoare annotation was computed. [2023-04-03 00:58:26,391 INFO L899 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2023-04-03 00:58:26,391 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2023-04-03 00:58:26,391 INFO L899 garLoopResultBuilder]: For program point L278-2(lines 278 298) no Hoare annotation was computed. [2023-04-03 00:58:26,391 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 229 331) no Hoare annotation was computed. [2023-04-03 00:58:26,391 INFO L899 garLoopResultBuilder]: For program point L299(lines 277 300) no Hoare annotation was computed. [2023-04-03 00:58:26,391 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 274) no Hoare annotation was computed. [2023-04-03 00:58:26,391 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 822 831) no Hoare annotation was computed. [2023-04-03 00:58:26,391 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 822 831) no Hoare annotation was computed. [2023-04-03 00:58:26,391 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-04-03 00:58:26,391 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-03 00:58:26,391 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-03 00:58:26,391 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-03 00:58:26,392 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 458 469) the Hoare annotation is: true [2023-04-03 00:58:26,392 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 458 469) no Hoare annotation was computed. [2023-04-03 00:58:26,392 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 911 917) no Hoare annotation was computed. [2023-04-03 00:58:26,392 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 911 917) the Hoare annotation is: true [2023-04-03 00:58:26,392 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-03 00:58:26,392 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2023-04-03 00:58:26,392 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-03 00:58:26,392 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-03 00:58:26,392 INFO L899 garLoopResultBuilder]: For program point L802-1(line 802) no Hoare annotation was computed. [2023-04-03 00:58:26,392 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 813) no Hoare annotation was computed. [2023-04-03 00:58:26,392 INFO L899 garLoopResultBuilder]: For program point L800-1(lines 792 816) no Hoare annotation was computed. [2023-04-03 00:58:26,393 INFO L902 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: true [2023-04-03 00:58:26,393 INFO L899 garLoopResultBuilder]: For program point L798-1(line 798) no Hoare annotation was computed. [2023-04-03 00:58:26,393 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification1_spec__1EXIT(lines 792 816) no Hoare annotation was computed. [2023-04-03 00:58:26,393 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 792 816) the Hoare annotation is: true [2023-04-03 00:58:26,393 INFO L895 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2023-04-03 00:58:26,393 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 810) no Hoare annotation was computed. [2023-04-03 00:58:26,393 INFO L895 garLoopResultBuilder]: At program point L802(line 802) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2023-04-03 00:58:26,396 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-04-03 00:58:26,398 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-03 00:58:26,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 12:58:26 BoogieIcfgContainer [2023-04-03 00:58:26,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-03 00:58:26,414 INFO L158 Benchmark]: Toolchain (without parser) took 4506.56ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 137.8MB in the beginning and 139.0MB in the end (delta: -1.1MB). Peak memory consumption was 92.7MB. Max. memory is 8.0GB. [2023-04-03 00:58:26,414 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 150.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-03 00:58:26,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.05ms. Allocated memory is still 201.3MB. Free memory was 137.6MB in the beginning and 166.0MB in the end (delta: -28.3MB). Peak memory consumption was 20.1MB. Max. memory is 8.0GB. [2023-04-03 00:58:26,415 INFO L158 Benchmark]: Boogie Preprocessor took 75.86ms. Allocated memory is still 201.3MB. Free memory was 166.0MB in the beginning and 162.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-04-03 00:58:26,415 INFO L158 Benchmark]: RCFGBuilder took 1038.53ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 162.3MB in the beginning and 257.4MB in the end (delta: -95.1MB). Peak memory consumption was 61.1MB. Max. memory is 8.0GB. [2023-04-03 00:58:26,416 INFO L158 Benchmark]: TraceAbstraction took 2930.01ms. Allocated memory is still 293.6MB. Free memory was 256.4MB in the beginning and 139.0MB in the end (delta: 117.4MB). Peak memory consumption was 117.4MB. Max. memory is 8.0GB. [2023-04-03 00:58:26,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 150.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 457.05ms. Allocated memory is still 201.3MB. Free memory was 137.6MB in the beginning and 166.0MB in the end (delta: -28.3MB). Peak memory consumption was 20.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.86ms. Allocated memory is still 201.3MB. Free memory was 166.0MB in the beginning and 162.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1038.53ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 162.3MB in the beginning and 257.4MB in the end (delta: -95.1MB). Peak memory consumption was 61.1MB. Max. memory is 8.0GB. * TraceAbstraction took 2930.01ms. Allocated memory is still 293.6MB. Free memory was 256.4MB in the beginning and 139.0MB in the end (delta: 117.4MB). Peak memory consumption was 117.4MB. 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: 54]: 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 41 procedures, 185 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 304 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 296 mSDsluCounter, 1226 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 800 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 554 IncrementalHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 426 mSDtfsCounter, 554 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=333occurred in iteration=4, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 438 PreInvPairs, 482 NumberOfFragments, 489 HoareAnnotationTreeSize, 438 FomulaSimplifications, 57 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 1977 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 433 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 534]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && splverifierCounter == 0) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-04-03 00:58:26,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...