/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:52:19,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:52:19,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:52:19,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:52:19,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:52:19,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:52:19,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:52:19,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:52:19,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:52:19,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:52:19,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:52:19,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:52:19,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:52:19,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:52:19,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:52:19,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:52:19,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:52:19,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:52:19,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:52:19,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:52:19,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:52:19,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:52:19,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:52:19,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:52:19,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:52:19,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:52:19,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:52:19,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:52:19,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:52:19,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:52:19,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:52:19,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:52:19,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:52:19,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:52:19,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:52:19,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:52:19,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:52:19,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:52:19,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:52:19,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:52:19,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:52:19,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 23:52:19,922 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:52:19,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:52:19,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:52:19,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:52:19,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:52:19,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:52:19,924 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:52:19,924 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:52:19,924 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:52:19,924 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:52:19,925 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:52:19,925 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:52:19,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:52:19,926 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:52:19,926 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:52:19,926 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:52:19,926 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:52:19,926 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:52:19,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:52:19,927 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:52:19,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:52:19,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:52:19,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:52:19,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:52:19,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:52:19,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:52:19,928 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:52:19,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:52:19,928 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:52:19,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:52:19,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:52:19,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:52:19,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:52:19,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:52:19,930 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:52:19,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:52:19,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:52:19,930 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:52:19,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:52:19,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:52:19,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:52:19,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:52:20,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:52:20,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:52:20,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:52:20,161 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:52:20,162 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:52:20,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2023-03-31 23:52:21,339 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:52:21,550 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:52:21,550 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2023-03-31 23:52:21,568 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6204a7f49/f03ddf49ba6947cc9c12d121dda77781/FLAGa812f0819 [2023-03-31 23:52:21,582 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6204a7f49/f03ddf49ba6947cc9c12d121dda77781 [2023-03-31 23:52:21,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:52:21,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:52:21,586 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:52:21,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:52:21,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:52:21,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:52:21" (1/1) ... [2023-03-31 23:52:21,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f16cee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:21, skipping insertion in model container [2023-03-31 23:52:21,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:52:21" (1/1) ... [2023-03-31 23:52:21,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:52:21,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:52:21,752 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] [2023-03-31 23:52:21,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:52:21,895 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:52:21,908 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] [2023-03-31 23:52:21,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:52:21,969 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:52:21,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:21 WrapperNode [2023-03-31 23:52:21,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:52:21,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:52:21,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:52:21,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:52:21,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:21" (1/1) ... [2023-03-31 23:52:21,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:21" (1/1) ... [2023-03-31 23:52:22,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:21" (1/1) ... [2023-03-31 23:52:22,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:21" (1/1) ... [2023-03-31 23:52:22,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:21" (1/1) ... [2023-03-31 23:52:22,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:21" (1/1) ... [2023-03-31 23:52:22,055 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:21" (1/1) ... [2023-03-31 23:52:22,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:21" (1/1) ... [2023-03-31 23:52:22,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:52:22,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:52:22,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:52:22,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:52:22,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:21" (1/1) ... [2023-03-31 23:52:22,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:52:22,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:52:22,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 23:52:22,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 23:52:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:52:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:52:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:52:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:52:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:52:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:52:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:52:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:52:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:52:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:52:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:52:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 23:52:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 23:52:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 23:52:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 23:52:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 23:52:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 23:52:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2023-03-31 23:52:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:52:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 23:52:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-03-31 23:52:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 23:52:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 23:52:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 23:52:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 23:52:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 23:52:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 23:52:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 23:52:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2023-03-31 23:52:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2023-03-31 23:52:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 23:52:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2023-03-31 23:52:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:52:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:52:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:52:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:52:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 23:52:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 23:52:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:52:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 23:52:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:52:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:52:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:52:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:52:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:52:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:52:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:52:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:52:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:52:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:52:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:52:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:52:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:52:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:52:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:52:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:52:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:52:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:52:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:52:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:52:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:52:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:52:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:52:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 23:52:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 23:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 23:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 23:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 23:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 23:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2023-03-31 23:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 23:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2023-03-31 23:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 23:52:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 23:52:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:52:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 23:52:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 23:52:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 23:52:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 23:52:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2023-03-31 23:52:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 23:52:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-03-31 23:52:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2023-03-31 23:52:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2023-03-31 23:52:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 23:52:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:52:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:52:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:52:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:52:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 23:52:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:52:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 23:52:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:52:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:52:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:52:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:52:22,301 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:52:22,303 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:52:22,871 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:52:23,009 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:52:23,009 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 23:52:23,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:52:23 BoogieIcfgContainer [2023-03-31 23:52:23,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:52:23,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:52:23,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:52:23,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:52:23,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:52:21" (1/3) ... [2023-03-31 23:52:23,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c54e81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:52:23, skipping insertion in model container [2023-03-31 23:52:23,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:52:21" (2/3) ... [2023-03-31 23:52:23,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c54e81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:52:23, skipping insertion in model container [2023-03-31 23:52:23,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:52:23" (3/3) ... [2023-03-31 23:52:23,022 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2023-03-31 23:52:23,039 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:52:23,040 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:52:23,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:52:23,097 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;@454d9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:52:23,098 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:52:23,102 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) [2023-03-31 23:52:23,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-03-31 23:52:23,112 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:23,113 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] [2023-03-31 23:52:23,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:23,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:23,118 INFO L85 PathProgramCache]: Analyzing trace with hash 304110235, now seen corresponding path program 1 times [2023-03-31 23:52:23,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:23,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976237409] [2023-03-31 23:52:23,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:23,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:23,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:23,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976237409] [2023-03-31 23:52:23,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976237409] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:23,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:23,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:52:23,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212897636] [2023-03-31 23:52:23,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:23,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:52:23,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:23,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:52:23,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:52:23,377 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) [2023-03-31 23:52:23,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:23,440 INFO L93 Difference]: Finished difference Result 195 states and 238 transitions. [2023-03-31 23:52:23,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:52:23,444 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 [2023-03-31 23:52:23,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:23,453 INFO L225 Difference]: With dead ends: 195 [2023-03-31 23:52:23,453 INFO L226 Difference]: Without dead ends: 98 [2023-03-31 23:52:23,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:52:23,463 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 [2023-03-31 23:52:23,464 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] [2023-03-31 23:52:23,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-03-31 23:52:23,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-03-31 23:52:23,513 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) [2023-03-31 23:52:23,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 113 transitions. [2023-03-31 23:52:23,523 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 113 transitions. Word has length 42 [2023-03-31 23:52:23,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:23,524 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 113 transitions. [2023-03-31 23:52:23,524 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) [2023-03-31 23:52:23,526 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2023-03-31 23:52:23,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-03-31 23:52:23,528 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:23,528 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] [2023-03-31 23:52:23,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:52:23,528 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:23,529 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:23,529 INFO L85 PathProgramCache]: Analyzing trace with hash 514034720, now seen corresponding path program 1 times [2023-03-31 23:52:23,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:23,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680290603] [2023-03-31 23:52:23,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:23,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:23,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:23,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680290603] [2023-03-31 23:52:23,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680290603] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:23,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:23,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:52:23,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478400983] [2023-03-31 23:52:23,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:23,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:52:23,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:23,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:52:23,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:52:23,669 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) [2023-03-31 23:52:23,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:23,702 INFO L93 Difference]: Finished difference Result 143 states and 163 transitions. [2023-03-31 23:52:23,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:52:23,703 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 [2023-03-31 23:52:23,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:23,705 INFO L225 Difference]: With dead ends: 143 [2023-03-31 23:52:23,705 INFO L226 Difference]: Without dead ends: 90 [2023-03-31 23:52:23,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:52:23,706 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 [2023-03-31 23:52:23,707 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] [2023-03-31 23:52:23,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-03-31 23:52:23,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-03-31 23:52:23,722 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) [2023-03-31 23:52:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2023-03-31 23:52:23,723 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 43 [2023-03-31 23:52:23,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:23,724 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2023-03-31 23:52:23,724 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) [2023-03-31 23:52:23,724 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2023-03-31 23:52:23,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 23:52:23,726 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:23,726 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] [2023-03-31 23:52:23,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:52:23,727 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:23,727 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:23,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1153295119, now seen corresponding path program 1 times [2023-03-31 23:52:23,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:23,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512343905] [2023-03-31 23:52:23,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:23,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:23,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:23,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:23,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512343905] [2023-03-31 23:52:23,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512343905] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:23,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:23,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:52:23,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57330406] [2023-03-31 23:52:23,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:23,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:52:23,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:23,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:52:23,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:52:23,938 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) [2023-03-31 23:52:24,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:24,231 INFO L93 Difference]: Finished difference Result 271 states and 322 transitions. [2023-03-31 23:52:24,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 23:52:24,232 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 [2023-03-31 23:52:24,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:24,234 INFO L225 Difference]: With dead ends: 271 [2023-03-31 23:52:24,234 INFO L226 Difference]: Without dead ends: 203 [2023-03-31 23:52:24,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:52:24,236 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 154 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2023-03-31 23:52:24,237 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] [2023-03-31 23:52:24,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-03-31 23:52:24,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 191. [2023-03-31 23:52:24,261 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) [2023-03-31 23:52:24,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 226 transitions. [2023-03-31 23:52:24,263 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 226 transitions. Word has length 47 [2023-03-31 23:52:24,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:24,263 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 226 transitions. [2023-03-31 23:52:24,264 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) [2023-03-31 23:52:24,264 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2023-03-31 23:52:24,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-03-31 23:52:24,273 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:24,273 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] [2023-03-31 23:52:24,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:52:24,273 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:24,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:24,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1145338745, now seen corresponding path program 1 times [2023-03-31 23:52:24,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:24,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965613273] [2023-03-31 23:52:24,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:24,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:24,418 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:24,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965613273] [2023-03-31 23:52:24,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965613273] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:24,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:24,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 23:52:24,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483312989] [2023-03-31 23:52:24,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:24,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 23:52:24,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:24,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 23:52:24,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-03-31 23:52:24,421 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) [2023-03-31 23:52:24,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:24,557 INFO L93 Difference]: Finished difference Result 514 states and 627 transitions. [2023-03-31 23:52:24,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 23:52:24,557 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 [2023-03-31 23:52:24,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:24,560 INFO L225 Difference]: With dead ends: 514 [2023-03-31 23:52:24,560 INFO L226 Difference]: Without dead ends: 345 [2023-03-31 23:52:24,561 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 [2023-03-31 23:52:24,562 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 [2023-03-31 23:52:24,563 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] [2023-03-31 23:52:24,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2023-03-31 23:52:24,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 333. [2023-03-31 23:52:24,597 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) [2023-03-31 23:52:24,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 398 transitions. [2023-03-31 23:52:24,599 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 398 transitions. Word has length 51 [2023-03-31 23:52:24,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:24,599 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 398 transitions. [2023-03-31 23:52:24,599 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) [2023-03-31 23:52:24,599 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 398 transitions. [2023-03-31 23:52:24,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-03-31 23:52:24,601 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:52:24,601 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] [2023-03-31 23:52:24,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:52:24,602 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:52:24,602 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:52:24,602 INFO L85 PathProgramCache]: Analyzing trace with hash -368048554, now seen corresponding path program 1 times [2023-03-31 23:52:24,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:52:24,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029532029] [2023-03-31 23:52:24,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:52:24,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:52:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:52:24,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:52:24,790 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:52:24,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029532029] [2023-03-31 23:52:24,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029532029] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:52:24,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:52:24,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:52:24,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738005582] [2023-03-31 23:52:24,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:52:24,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:52:24,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:52:24,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:52:24,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:52:24,794 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) [2023-03-31 23:52:24,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:52:24,996 INFO L93 Difference]: Finished difference Result 567 states and 704 transitions. [2023-03-31 23:52:24,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 23:52:24,997 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 [2023-03-31 23:52:25,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:52:25,022 INFO L225 Difference]: With dead ends: 567 [2023-03-31 23:52:25,023 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:52:25,027 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 [2023-03-31 23:52:25,028 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 [2023-03-31 23:52:25,029 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] [2023-03-31 23:52:25,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:52:25,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:52:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 23:52:25,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:52:25,030 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2023-03-31 23:52:25,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:52:25,030 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:52:25,030 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) [2023-03-31 23:52:25,030 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:52:25,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:52:25,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:52:25,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:52:25,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:52:25,808 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 23:52:25,809 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 23:52:25,809 INFO L899 garLoopResultBuilder]: For program point L158(lines 135 159) no Hoare annotation was computed. [2023-03-31 23:52:25,809 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2023-03-31 23:52:25,809 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 111 166) no Hoare annotation was computed. [2023-03-31 23:52:25,809 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 111 166) no Hoare annotation was computed. [2023-03-31 23:52:25,809 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 157) no Hoare annotation was computed. [2023-03-31 23:52:25,809 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 218) no Hoare annotation was computed. [2023-03-31 23:52:25,809 INFO L899 garLoopResultBuilder]: For program point L219(lines 192 220) no Hoare annotation was computed. [2023-03-31 23:52:25,809 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 167 226) no Hoare annotation was computed. [2023-03-31 23:52:25,810 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-03-31 23:52:25,810 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2023-03-31 23:52:25,810 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 167 226) no Hoare annotation was computed. [2023-03-31 23:52:25,810 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 167 226) no Hoare annotation was computed. [2023-03-31 23:52:25,810 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 203) no Hoare annotation was computed. [2023-03-31 23:52:25,810 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 846 854) no Hoare annotation was computed. [2023-03-31 23:52:25,810 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 846 854) the Hoare annotation is: true [2023-03-31 23:52:25,810 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 928 950) no Hoare annotation was computed. [2023-03-31 23:52:25,811 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))) [2023-03-31 23:52:25,811 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))) [2023-03-31 23:52:25,811 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 945) no Hoare annotation was computed. [2023-03-31 23:52:25,811 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))) [2023-03-31 23:52:25,811 INFO L899 garLoopResultBuilder]: For program point L938-1(lines 938 945) no Hoare annotation was computed. [2023-03-31 23:52:25,811 INFO L899 garLoopResultBuilder]: For program point L936(line 936) no Hoare annotation was computed. [2023-03-31 23:52:25,811 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))) [2023-03-31 23:52:25,812 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))) [2023-03-31 23:52:25,812 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))) [2023-03-31 23:52:25,812 INFO L899 garLoopResultBuilder]: For program point L897(line 897) no Hoare annotation was computed. [2023-03-31 23:52:25,812 INFO L899 garLoopResultBuilder]: For program point L896(line 896) no Hoare annotation was computed. [2023-03-31 23:52:25,812 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 887 910) no Hoare annotation was computed. [2023-03-31 23:52:25,812 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-03-31 23:52:25,812 INFO L899 garLoopResultBuilder]: For program point L894(line 894) no Hoare annotation was computed. [2023-03-31 23:52:25,812 INFO L899 garLoopResultBuilder]: For program point L893(line 893) no Hoare annotation was computed. [2023-03-31 23:52:25,812 INFO L899 garLoopResultBuilder]: For program point L892(line 892) no Hoare annotation was computed. [2023-03-31 23:52:25,812 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 887 910) no Hoare annotation was computed. [2023-03-31 23:52:25,813 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 887 910) no Hoare annotation was computed. [2023-03-31 23:52:25,813 INFO L899 garLoopResultBuilder]: For program point L905(line 905) no Hoare annotation was computed. [2023-03-31 23:52:25,813 INFO L899 garLoopResultBuilder]: For program point L904(line 904) no Hoare annotation was computed. [2023-03-31 23:52:25,813 INFO L899 garLoopResultBuilder]: For program point L903(line 903) no Hoare annotation was computed. [2023-03-31 23:52:25,813 INFO L899 garLoopResultBuilder]: For program point L902(line 902) no Hoare annotation was computed. [2023-03-31 23:52:25,813 INFO L899 garLoopResultBuilder]: For program point L901(line 901) no Hoare annotation was computed. [2023-03-31 23:52:25,813 INFO L899 garLoopResultBuilder]: For program point L900(line 900) no Hoare annotation was computed. [2023-03-31 23:52:25,813 INFO L899 garLoopResultBuilder]: For program point L899(line 899) no Hoare annotation was computed. [2023-03-31 23:52:25,813 INFO L899 garLoopResultBuilder]: For program point L898(line 898) no Hoare annotation was computed. [2023-03-31 23:52:25,813 INFO L899 garLoopResultBuilder]: For program point stopSystemEXIT(lines 768 782) no Hoare annotation was computed. [2023-03-31 23:52:25,814 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)))) [2023-03-31 23:52:25,814 INFO L895 garLoopResultBuilder]: At program point L774(line 774) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-03-31 23:52:25,814 INFO L899 garLoopResultBuilder]: For program point L772(lines 772 778) no Hoare annotation was computed. [2023-03-31 23:52:25,814 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 749 767) the Hoare annotation is: true [2023-03-31 23:52:25,814 INFO L899 garLoopResultBuilder]: For program point isLowWaterLevelEXIT(lines 749 767) no Hoare annotation was computed. [2023-03-31 23:52:25,814 INFO L902 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: true [2023-03-31 23:52:25,814 INFO L899 garLoopResultBuilder]: For program point L756-1(line 756) no Hoare annotation was computed. [2023-03-31 23:52:25,814 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 832 838) no Hoare annotation was computed. [2023-03-31 23:52:25,814 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 832 838) the Hoare annotation is: true [2023-03-31 23:52:25,815 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 378 423) no Hoare annotation was computed. [2023-03-31 23:52:25,815 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 378 423) no Hoare annotation was computed. [2023-03-31 23:52:25,815 INFO L895 garLoopResultBuilder]: At program point L640(line 640) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:52:25,815 INFO L899 garLoopResultBuilder]: For program point L640-1(line 640) no Hoare annotation was computed. [2023-03-31 23:52:25,815 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 655) no Hoare annotation was computed. [2023-03-31 23:52:25,815 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 634 658) no Hoare annotation was computed. [2023-03-31 23:52:25,815 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)) [2023-03-31 23:52:25,815 INFO L899 garLoopResultBuilder]: For program point L653-1(lines 634 658) no Hoare annotation was computed. [2023-03-31 23:52:25,815 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)) [2023-03-31 23:52:25,815 INFO L895 garLoopResultBuilder]: At program point L648(line 648) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:52:25,816 INFO L895 garLoopResultBuilder]: At program point L644(line 644) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-03-31 23:52:25,816 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 650) no Hoare annotation was computed. [2023-03-31 23:52:25,816 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 626 632) no Hoare annotation was computed. [2023-03-31 23:52:25,816 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 626 632) the Hoare annotation is: true [2023-03-31 23:52:25,816 INFO L899 garLoopResultBuilder]: For program point L545(lines 545 551) no Hoare annotation was computed. [2023-03-31 23:52:25,816 INFO L899 garLoopResultBuilder]: For program point L545-1(lines 545 551) no Hoare annotation was computed. [2023-03-31 23:52:25,816 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 525 592) no Hoare annotation was computed. [2023-03-31 23:52:25,816 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))) [2023-03-31 23:52:25,817 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))) [2023-03-31 23:52:25,817 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))) [2023-03-31 23:52:25,817 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2023-03-31 23:52:25,817 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))) [2023-03-31 23:52:25,817 INFO L899 garLoopResultBuilder]: For program point L536(lines 535 584) no Hoare annotation was computed. [2023-03-31 23:52:25,817 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))) [2023-03-31 23:52:25,817 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 580) no Hoare annotation was computed. [2023-03-31 23:52:25,817 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))) [2023-03-31 23:52:25,817 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 561) no Hoare annotation was computed. [2023-03-31 23:52:25,818 INFO L899 garLoopResultBuilder]: For program point L555-1(lines 555 561) no Hoare annotation was computed. [2023-03-31 23:52:25,818 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))) [2023-03-31 23:52:25,818 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))) [2023-03-31 23:52:25,818 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 525 592) no Hoare annotation was computed. [2023-03-31 23:52:25,818 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 659 666) no Hoare annotation was computed. [2023-03-31 23:52:25,818 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 659 666) no Hoare annotation was computed. [2023-03-31 23:52:25,818 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 511 519) the Hoare annotation is: true [2023-03-31 23:52:25,818 INFO L899 garLoopResultBuilder]: For program point isLowWaterSensorDryEXIT(lines 511 519) no Hoare annotation was computed. [2023-03-31 23:52:25,818 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 479 501) no Hoare annotation was computed. [2023-03-31 23:52:25,818 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 479 501) no Hoare annotation was computed. [2023-03-31 23:52:25,818 INFO L899 garLoopResultBuilder]: For program point L673(line 673) no Hoare annotation was computed. [2023-03-31 23:52:25,819 INFO L899 garLoopResultBuilder]: For program point L673-1(line 673) no Hoare annotation was computed. [2023-03-31 23:52:25,819 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 668 684) no Hoare annotation was computed. [2023-03-31 23:52:25,819 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 668 684) no Hoare annotation was computed. [2023-03-31 23:52:25,819 INFO L899 garLoopResultBuilder]: For program point L679(line 679) no Hoare annotation was computed. [2023-03-31 23:52:25,819 INFO L899 garLoopResultBuilder]: For program point L679-1(lines 668 684) no Hoare annotation was computed. [2023-03-31 23:52:25,819 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 681) no Hoare annotation was computed. [2023-03-31 23:52:25,819 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 502 510) no Hoare annotation was computed. [2023-03-31 23:52:25,819 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 502 510) no Hoare annotation was computed. [2023-03-31 23:52:25,819 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 470 478) the Hoare annotation is: true [2023-03-31 23:52:25,819 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 470 478) no Hoare annotation was computed. [2023-03-31 23:52:25,819 INFO L895 garLoopResultBuilder]: At program point L608(line 608) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-03-31 23:52:25,820 INFO L899 garLoopResultBuilder]: For program point L606(lines 605 624) no Hoare annotation was computed. [2023-03-31 23:52:25,820 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 602 625) no Hoare annotation was computed. [2023-03-31 23:52:25,820 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 602 625) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-03-31 23:52:25,820 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)))) [2023-03-31 23:52:25,820 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 602 625) no Hoare annotation was computed. [2023-03-31 23:52:25,820 INFO L895 garLoopResultBuilder]: At program point L613(lines 613 619) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-03-31 23:52:25,820 INFO L902 garLoopResultBuilder]: At program point L867-2(lines 867 881) the Hoare annotation is: true [2023-03-31 23:52:25,820 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 857 886) no Hoare annotation was computed. [2023-03-31 23:52:25,820 INFO L902 garLoopResultBuilder]: At program point L863(line 863) the Hoare annotation is: true [2023-03-31 23:52:25,820 INFO L899 garLoopResultBuilder]: For program point L863-1(line 863) no Hoare annotation was computed. [2023-03-31 23:52:25,820 INFO L902 garLoopResultBuilder]: At program point L882(lines 857 886) the Hoare annotation is: true [2023-03-31 23:52:25,821 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2023-03-31 23:52:25,821 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 857 886) the Hoare annotation is: true [2023-03-31 23:52:25,821 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 875) no Hoare annotation was computed. [2023-03-31 23:52:25,821 INFO L902 garLoopResultBuilder]: At program point L871-1(lines 871 875) the Hoare annotation is: true [2023-03-31 23:52:25,821 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 434 445) no Hoare annotation was computed. [2023-03-31 23:52:25,821 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 434 445) the Hoare annotation is: true [2023-03-31 23:52:25,821 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 783 790) no Hoare annotation was computed. [2023-03-31 23:52:25,821 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 783 790) the Hoare annotation is: true [2023-03-31 23:52:25,821 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 446 457) no Hoare annotation was computed. [2023-03-31 23:52:25,821 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 446 457) the Hoare annotation is: true [2023-03-31 23:52:25,822 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-03-31 23:52:25,822 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-03-31 23:52:25,822 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-03-31 23:52:25,822 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 839 845) the Hoare annotation is: true [2023-03-31 23:52:25,822 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 839 845) no Hoare annotation was computed. [2023-03-31 23:52:25,822 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 704 712) no Hoare annotation was computed. [2023-03-31 23:52:25,822 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 704 712) the Hoare annotation is: true [2023-03-31 23:52:25,822 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 713 748) no Hoare annotation was computed. [2023-03-31 23:52:25,822 INFO L899 garLoopResultBuilder]: For program point L743(line 743) no Hoare annotation was computed. [2023-03-31 23:52:25,822 INFO L899 garLoopResultBuilder]: For program point L743-1(line 743) no Hoare annotation was computed. [2023-03-31 23:52:25,822 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 713 748) no Hoare annotation was computed. [2023-03-31 23:52:25,822 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 65 110) no Hoare annotation was computed. [2023-03-31 23:52:25,823 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 65 110) no Hoare annotation was computed. [2023-03-31 23:52:25,823 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 918 927) no Hoare annotation was computed. [2023-03-31 23:52:25,823 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))) [2023-03-31 23:52:25,823 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 918 927) no Hoare annotation was computed. [2023-03-31 23:52:25,823 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 693 703) no Hoare annotation was computed. [2023-03-31 23:52:25,823 INFO L899 garLoopResultBuilder]: For program point L698(line 698) no Hoare annotation was computed. [2023-03-31 23:52:25,823 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 693 703) no Hoare annotation was computed. [2023-03-31 23:52:25,823 INFO L899 garLoopResultBuilder]: For program point L698-1(line 698) no Hoare annotation was computed. [2023-03-31 23:52:25,823 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 685 692) no Hoare annotation was computed. [2023-03-31 23:52:25,823 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 685 692) the Hoare annotation is: true [2023-03-31 23:52:25,823 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 332 377) no Hoare annotation was computed. [2023-03-31 23:52:25,823 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 332 377) no Hoare annotation was computed. [2023-03-31 23:52:25,823 INFO L899 garLoopResultBuilder]: For program point L279(lines 278 298) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 316) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 229 331) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 229 331) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point L278-2(lines 278 298) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 229 331) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point L299(lines 277 300) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 274) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 822 831) no Hoare annotation was computed. [2023-03-31 23:52:25,824 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 822 831) no Hoare annotation was computed. [2023-03-31 23:52:25,825 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2023-03-31 23:52:25,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:52:25,825 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:52:25,825 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 23:52:25,825 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 458 469) the Hoare annotation is: true [2023-03-31 23:52:25,825 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 458 469) no Hoare annotation was computed. [2023-03-31 23:52:25,825 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 911 917) no Hoare annotation was computed. [2023-03-31 23:52:25,825 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 911 917) the Hoare annotation is: true [2023-03-31 23:52:25,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:52:25,825 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2023-03-31 23:52:25,825 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:52:25,825 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:52:25,825 INFO L899 garLoopResultBuilder]: For program point L802-1(line 802) no Hoare annotation was computed. [2023-03-31 23:52:25,826 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 813) no Hoare annotation was computed. [2023-03-31 23:52:25,826 INFO L899 garLoopResultBuilder]: For program point L800-1(lines 792 816) no Hoare annotation was computed. [2023-03-31 23:52:25,826 INFO L902 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: true [2023-03-31 23:52:25,826 INFO L899 garLoopResultBuilder]: For program point L798-1(line 798) no Hoare annotation was computed. [2023-03-31 23:52:25,826 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification1_spec__1EXIT(lines 792 816) no Hoare annotation was computed. [2023-03-31 23:52:25,826 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 792 816) the Hoare annotation is: true [2023-03-31 23:52:25,826 INFO L895 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2023-03-31 23:52:25,826 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 810) no Hoare annotation was computed. [2023-03-31 23:52:25,826 INFO L895 garLoopResultBuilder]: At program point L802(line 802) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2023-03-31 23:52:25,829 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-03-31 23:52:25,831 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:52:25,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:52:25 BoogieIcfgContainer [2023-03-31 23:52:25,848 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:52:25,848 INFO L158 Benchmark]: Toolchain (without parser) took 4262.96ms. Allocated memory was 185.6MB in the beginning and 245.4MB in the end (delta: 59.8MB). Free memory was 143.5MB in the beginning and 134.4MB in the end (delta: 9.0MB). Peak memory consumption was 69.8MB. Max. memory is 8.0GB. [2023-03-31 23:52:25,849 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:52:25,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.62ms. Allocated memory is still 185.6MB. Free memory was 143.5MB in the beginning and 125.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-03-31 23:52:25,850 INFO L158 Benchmark]: Boogie Preprocessor took 92.22ms. Allocated memory is still 185.6MB. Free memory was 125.2MB in the beginning and 121.8MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 23:52:25,850 INFO L158 Benchmark]: RCFGBuilder took 949.04ms. Allocated memory is still 185.6MB. Free memory was 121.5MB in the beginning and 119.2MB in the end (delta: 2.2MB). Peak memory consumption was 32.0MB. Max. memory is 8.0GB. [2023-03-31 23:52:25,850 INFO L158 Benchmark]: TraceAbstraction took 2833.12ms. Allocated memory was 185.6MB in the beginning and 245.4MB in the end (delta: 59.8MB). Free memory was 118.7MB in the beginning and 134.4MB in the end (delta: -15.7MB). Peak memory consumption was 44.0MB. Max. memory is 8.0GB. [2023-03-31 23:52:25,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 383.62ms. Allocated memory is still 185.6MB. Free memory was 143.5MB in the beginning and 125.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 92.22ms. Allocated memory is still 185.6MB. Free memory was 125.2MB in the beginning and 121.8MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 949.04ms. Allocated memory is still 185.6MB. Free memory was 121.5MB in the beginning and 119.2MB in the end (delta: 2.2MB). Peak memory consumption was 32.0MB. Max. memory is 8.0GB. * TraceAbstraction took 2833.12ms. Allocated memory was 185.6MB in the beginning and 245.4MB in the end (delta: 59.8MB). Free memory was 118.7MB in the beginning and 134.4MB in the end (delta: -15.7MB). Peak memory consumption was 44.0MB. 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: 2.8s, 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! [2023-03-31 23:52:25,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...