./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f3466b08a64c7fddf78a299dda71b27bda6ead813da06152b5ee1cea2f1c203 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:16:34,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:16:34,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:16:35,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:16:35,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:16:35,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:16:35,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:16:35,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:16:35,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:16:35,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:16:35,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:16:35,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:16:35,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:16:35,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:16:35,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:16:35,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:16:35,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:16:35,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:16:35,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:16:35,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:16:35,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:16:35,037 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:16:35,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:16:35,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:16:35,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:16:35,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:16:35,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:16:35,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:16:35,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:16:35,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:16:35,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:16:35,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:16:35,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:16:35,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:16:35,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:16:35,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:16:35,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:16:35,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:16:35,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:16:35,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:16:35,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:16:35,054 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:16:35,078 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:16:35,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:16:35,079 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:16:35,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:16:35,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:16:35,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:16:35,080 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:16:35,080 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:16:35,080 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:16:35,081 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:16:35,081 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:16:35,081 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:16:35,081 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:16:35,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:16:35,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:16:35,082 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:16:35,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:16:35,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:16:35,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:16:35,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:16:35,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:16:35,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:16:35,083 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:16:35,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:16:35,083 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:16:35,083 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:16:35,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:16:35,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:16:35,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:16:35,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:16:35,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:16:35,085 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:16:35,085 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f3466b08a64c7fddf78a299dda71b27bda6ead813da06152b5ee1cea2f1c203 [2022-02-21 04:16:35,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:16:35,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:16:35,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:16:35,308 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:16:35,309 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:16:35,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2022-02-21 04:16:35,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/610a5f2db/a55f0c27d2f04c3496f0e44346958eb9/FLAG3cb4a95d6 [2022-02-21 04:16:35,804 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:16:35,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_productSimulator.cil.c [2022-02-21 04:16:35,832 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/610a5f2db/a55f0c27d2f04c3496f0e44346958eb9/FLAG3cb4a95d6 [2022-02-21 04:16:35,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/610a5f2db/a55f0c27d2f04c3496f0e44346958eb9 [2022-02-21 04:16:35,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:16:35,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:16:35,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:35,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:16:35,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:16:35,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:35" (1/1) ... [2022-02-21 04:16:35,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157c6a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:35, skipping insertion in model container [2022-02-21 04:16:35,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:35" (1/1) ... [2022-02-21 04:16:35,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:16:35,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:16:36,168 WARN L230 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_spec2_productSimulator.cil.c[20836,20849] [2022-02-21 04:16:36,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:36,178 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:16:36,265 WARN L230 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_spec2_productSimulator.cil.c[20836,20849] [2022-02-21 04:16:36,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:36,295 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:16:36,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:36 WrapperNode [2022-02-21 04:16:36,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:36,297 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:36,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:16:36,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:16:36,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:36" (1/1) ... [2022-02-21 04:16:36,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:36" (1/1) ... [2022-02-21 04:16:36,395 INFO L137 Inliner]: procedures = 64, calls = 178, calls flagged for inlining = 75, calls inlined = 450, statements flattened = 2749 [2022-02-21 04:16:36,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:36,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:16:36,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:16:36,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:16:36,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:36" (1/1) ... [2022-02-21 04:16:36,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:36" (1/1) ... [2022-02-21 04:16:36,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:36" (1/1) ... [2022-02-21 04:16:36,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:36" (1/1) ... [2022-02-21 04:16:36,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:36" (1/1) ... [2022-02-21 04:16:36,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:36" (1/1) ... [2022-02-21 04:16:36,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:36" (1/1) ... [2022-02-21 04:16:36,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:16:36,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:16:36,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:16:36,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:16:36,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:36" (1/1) ... [2022-02-21 04:16:36,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:16:36,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:16:36,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:16:36,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 04:16:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:16:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:16:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:16:36,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:16:36,716 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:16:36,717 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:16:37,788 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:16:37,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:16:37,801 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:16:37,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:37 BoogieIcfgContainer [2022-02-21 04:16:37,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:16:37,805 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:16:37,805 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:16:37,807 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:16:37,807 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:37,807 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:16:35" (1/3) ... [2022-02-21 04:16:37,808 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b37641b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:37, skipping insertion in model container [2022-02-21 04:16:37,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:37,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:36" (2/3) ... [2022-02-21 04:16:37,809 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b37641b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:37, skipping insertion in model container [2022-02-21 04:16:37,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:37,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:37" (3/3) ... [2022-02-21 04:16:37,810 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2022-02-21 04:16:37,845 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:16:37,846 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:16:37,846 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:16:37,846 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:16:37,846 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:16:37,846 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:16:37,846 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:16:37,846 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:16:37,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 770 states, 769 states have (on average 1.3485045513654097) internal successors, (1037), 769 states have internal predecessors, (1037), 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) [2022-02-21 04:16:38,032 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 507 [2022-02-21 04:16:38,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:38,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:38,039 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:38,039 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:38,039 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:16:38,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 770 states, 769 states have (on average 1.3485045513654097) internal successors, (1037), 769 states have internal predecessors, (1037), 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) [2022-02-21 04:16:38,089 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 507 [2022-02-21 04:16:38,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:38,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:38,091 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:38,092 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:38,099 INFO L791 eck$LassoCheckResult]: Stem: 361#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(38, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 699#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 432#L1134true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 640#L1109true select_features_#t~ret55#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret55#1;havoc select_features_#t~ret55#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 390#L1109-1true select_features_#t~ret56#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret56#1;havoc select_features_#t~ret56#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 126#L1109-2true select_features_#t~ret57#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret57#1;havoc select_features_#t~ret57#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 588#L1109-3true select_features_#t~ret58#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret58#1;havoc select_features_#t~ret58#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 143#L1109-4true select_features_#t~ret59#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret59#1;havoc select_features_#t~ret59#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 34#L1109-5true select_features_#t~ret60#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret60#1;havoc select_features_#t~ret60#1; 158#L1126true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 744#L1142true main_#t~ret24#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 705#L596true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 23#L567true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 625#L694true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 309#L620-2true [2022-02-21 04:16:38,099 INFO L793 eck$LassoCheckResult]: Loop: 309#L620-2true assume !false; 35#L621true assume test_~splverifierCounter~0#1 < 4; 742#L622true test_~tmp~7#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 247#L630true assume !(0 != test_~tmp~7#1); 24#L630-2true test_~tmp___0~2#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 575#L640true assume !(0 != test_~tmp___0~2#1); 576#L640-2true test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 165#L650true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 106#L662true assume !(0 != test_~tmp___1~0#1); 339#L662-1true assume { :begin_inline_timeShift } true; 248#L184true assume !(0 != ~pumpRunning~0); 145#L184-2true assume !(0 != ~systemActive~0); 450#L191-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_#t~ret30#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 482#L109-10true __utac_acc__Specification2_spec__2_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret29#1;havoc __utac_acc__Specification2_spec__2_#t~ret29#1; 171#L705true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 227#L705-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 129#L201true assume { :end_inline_timeShift } true; 309#L620-2true [2022-02-21 04:16:38,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:38,106 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 1 times [2022-02-21 04:16:38,111 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:38,112 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328265071] [2022-02-21 04:16:38,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:38,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:38,226 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:38,283 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:38,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:38,285 INFO L85 PathProgramCache]: Analyzing trace with hash -199906935, now seen corresponding path program 1 times [2022-02-21 04:16:38,285 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:38,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136545456] [2022-02-21 04:16:38,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:38,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:38,294 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:38,306 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:38,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:38,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1885939910, now seen corresponding path program 1 times [2022-02-21 04:16:38,308 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:38,308 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618461399] [2022-02-21 04:16:38,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:38,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:38,459 INFO L290 TraceCheckUtils]: 0: Hoare triple {778#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(38, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {780#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:38,460 INFO L290 TraceCheckUtils]: 1: Hoare triple {780#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; {780#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:38,460 INFO L290 TraceCheckUtils]: 2: Hoare triple {780#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} is VALID [2022-02-21 04:16:38,461 INFO L290 TraceCheckUtils]: 3: Hoare triple {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} select_features_#t~ret55#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret55#1;havoc select_features_#t~ret55#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} is VALID [2022-02-21 04:16:38,461 INFO L290 TraceCheckUtils]: 4: Hoare triple {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} select_features_#t~ret56#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret56#1;havoc select_features_#t~ret56#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} is VALID [2022-02-21 04:16:38,462 INFO L290 TraceCheckUtils]: 5: Hoare triple {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} select_features_#t~ret57#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret57#1;havoc select_features_#t~ret57#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} is VALID [2022-02-21 04:16:38,462 INFO L290 TraceCheckUtils]: 6: Hoare triple {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} select_features_#t~ret58#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret58#1;havoc select_features_#t~ret58#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} is VALID [2022-02-21 04:16:38,463 INFO L290 TraceCheckUtils]: 7: Hoare triple {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} select_features_#t~ret59#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret59#1;havoc select_features_#t~ret59#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} is VALID [2022-02-21 04:16:38,463 INFO L290 TraceCheckUtils]: 8: Hoare triple {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} select_features_#t~ret60#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret60#1;havoc select_features_#t~ret60#1; {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} is VALID [2022-02-21 04:16:38,464 INFO L290 TraceCheckUtils]: 9: Hoare triple {781#(= ~__SELECTED_FEATURE_base~0 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~13#1; {782#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:16:38,464 INFO L290 TraceCheckUtils]: 10: Hoare triple {782#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret24#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret24#1;havoc main_#t~ret24#1; {783#(= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)} is VALID [2022-02-21 04:16:38,465 INFO L290 TraceCheckUtils]: 11: Hoare triple {783#(= |ULTIMATE.start_main_~tmp~6#1| ~systemActive~0)} assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,465 INFO L290 TraceCheckUtils]: 12: Hoare triple {784#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,465 INFO L290 TraceCheckUtils]: 13: Hoare triple {784#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,466 INFO L290 TraceCheckUtils]: 14: Hoare triple {784#(not (= 0 ~systemActive~0))} assume !false; {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,466 INFO L290 TraceCheckUtils]: 15: Hoare triple {784#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,467 INFO L290 TraceCheckUtils]: 16: Hoare triple {784#(not (= 0 ~systemActive~0))} test_~tmp~7#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,467 INFO L290 TraceCheckUtils]: 17: Hoare triple {784#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~7#1); {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,468 INFO L290 TraceCheckUtils]: 18: Hoare triple {784#(not (= 0 ~systemActive~0))} test_~tmp___0~2#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,469 INFO L290 TraceCheckUtils]: 19: Hoare triple {784#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~2#1); {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,469 INFO L290 TraceCheckUtils]: 20: Hoare triple {784#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,470 INFO L290 TraceCheckUtils]: 21: Hoare triple {784#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,471 INFO L290 TraceCheckUtils]: 22: Hoare triple {784#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___1~0#1); {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,472 INFO L290 TraceCheckUtils]: 23: Hoare triple {784#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,472 INFO L290 TraceCheckUtils]: 24: Hoare triple {784#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {784#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:38,473 INFO L290 TraceCheckUtils]: 25: Hoare triple {784#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {779#false} is VALID [2022-02-21 04:16:38,473 INFO L290 TraceCheckUtils]: 26: Hoare triple {779#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_#t~ret30#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; {779#false} is VALID [2022-02-21 04:16:38,473 INFO L290 TraceCheckUtils]: 27: Hoare triple {779#false} __utac_acc__Specification2_spec__2_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret29#1;havoc __utac_acc__Specification2_spec__2_#t~ret29#1; {779#false} is VALID [2022-02-21 04:16:38,473 INFO L290 TraceCheckUtils]: 28: Hoare triple {779#false} assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; {779#false} is VALID [2022-02-21 04:16:38,473 INFO L290 TraceCheckUtils]: 29: Hoare triple {779#false} assume { :end_inline___utac_acc__Specification2_spec__2 } true; {779#false} is VALID [2022-02-21 04:16:38,473 INFO L290 TraceCheckUtils]: 30: Hoare triple {779#false} assume { :end_inline_timeShift } true; {779#false} is VALID [2022-02-21 04:16:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:16:38,476 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:38,477 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618461399] [2022-02-21 04:16:38,477 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618461399] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:38,477 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:38,477 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-21 04:16:38,478 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927591351] [2022-02-21 04:16:38,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:38,638 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:38,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-21 04:16:38,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-02-21 04:16:38,663 INFO L87 Difference]: Start difference. First operand has 770 states, 769 states have (on average 1.3485045513654097) internal successors, (1037), 769 states have internal predecessors, (1037), 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) Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2022-02-21 04:16:43,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:43,137 INFO L93 Difference]: Finished difference Result 2340 states and 3133 transitions. [2022-02-21 04:16:43,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-21 04:16:43,138 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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) [2022-02-21 04:16:43,162 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:43,165 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2340 states and 3133 transitions. [2022-02-21 04:16:43,322 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1550 [2022-02-21 04:16:43,481 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2340 states to 2300 states and 3093 transitions. [2022-02-21 04:16:43,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2300 [2022-02-21 04:16:43,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2300 [2022-02-21 04:16:43,486 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2300 states and 3093 transitions. [2022-02-21 04:16:43,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:43,503 INFO L681 BuchiCegarLoop]: Abstraction has 2300 states and 3093 transitions. [2022-02-21 04:16:43,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2300 states and 3093 transitions. [2022-02-21 04:16:43,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2300 to 814. [2022-02-21 04:16:43,571 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:43,578 INFO L82 GeneralOperation]: Start isEquivalent. First operand 2300 states and 3093 transitions. Second operand has 814 states, 814 states have (on average 1.343980343980344) internal successors, (1094), 813 states have internal predecessors, (1094), 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) [2022-02-21 04:16:43,580 INFO L74 IsIncluded]: Start isIncluded. First operand 2300 states and 3093 transitions. Second operand has 814 states, 814 states have (on average 1.343980343980344) internal successors, (1094), 813 states have internal predecessors, (1094), 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) [2022-02-21 04:16:43,582 INFO L87 Difference]: Start difference. First operand 2300 states and 3093 transitions. Second operand has 814 states, 814 states have (on average 1.343980343980344) internal successors, (1094), 813 states have internal predecessors, (1094), 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) [2022-02-21 04:16:43,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:43,732 INFO L93 Difference]: Finished difference Result 2300 states and 3093 transitions. [2022-02-21 04:16:43,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 3093 transitions. [2022-02-21 04:16:43,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:43,739 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:43,741 INFO L74 IsIncluded]: Start isIncluded. First operand has 814 states, 814 states have (on average 1.343980343980344) internal successors, (1094), 813 states have internal predecessors, (1094), 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) Second operand 2300 states and 3093 transitions. [2022-02-21 04:16:43,742 INFO L87 Difference]: Start difference. First operand has 814 states, 814 states have (on average 1.343980343980344) internal successors, (1094), 813 states have internal predecessors, (1094), 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) Second operand 2300 states and 3093 transitions. [2022-02-21 04:16:43,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:43,982 INFO L93 Difference]: Finished difference Result 2300 states and 3093 transitions. [2022-02-21 04:16:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 3093 transitions. [2022-02-21 04:16:43,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:43,986 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:43,986 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:43,986 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:43,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 814 states have (on average 1.343980343980344) internal successors, (1094), 813 states have internal predecessors, (1094), 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) [2022-02-21 04:16:44,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1094 transitions. [2022-02-21 04:16:44,030 INFO L704 BuchiCegarLoop]: Abstraction has 814 states and 1094 transitions. [2022-02-21 04:16:44,030 INFO L587 BuchiCegarLoop]: Abstraction has 814 states and 1094 transitions. [2022-02-21 04:16:44,031 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:16:44,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 814 states and 1094 transitions. [2022-02-21 04:16:44,034 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 547 [2022-02-21 04:16:44,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:44,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:44,048 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:44,048 INFO L843 BuchiCegarLoop]: Counterexample loop 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] [2022-02-21 04:16:44,048 INFO L791 eck$LassoCheckResult]: Stem: 3888#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(38, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 3872#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~8#1, main_~tmp~6#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 3360#L1134 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret55#1, select_features_#t~ret56#1, select_features_#t~ret57#1, select_features_#t~ret58#1, select_features_#t~ret59#1, select_features_#t~ret60#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3361#L1109 select_features_#t~ret55#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret55#1;havoc select_features_#t~ret55#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3211#L1109-1 select_features_#t~ret56#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret56#1;havoc select_features_#t~ret56#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3212#L1109-2 select_features_#t~ret57#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret57#1;havoc select_features_#t~ret57#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3576#L1109-3 select_features_#t~ret58#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret58#1;havoc select_features_#t~ret58#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3606#L1109-4 select_features_#t~ret59#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret59#1;havoc select_features_#t~ret59#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet54#1, select_one_~retValue_acc~12#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~12#1;select_one_~choice~0#1 := select_one_#t~nondet54#1;havoc select_one_#t~nondet54#1;select_one_~retValue_acc~12#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~12#1; 3299#L1109-5 select_features_#t~ret60#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret60#1;havoc select_features_#t~ret60#1; 3300#L1126 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 3631#L1142 main_#t~ret24#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret24#1;havoc main_#t~ret24#1; 3875#L596 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 3259#L567 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 3260#L694 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3580#L620-2 [2022-02-21 04:16:44,049 INFO L793 eck$LassoCheckResult]: Loop: 3580#L620-2 assume !false; 3301#L621 assume test_~splverifierCounter~0#1 < 4; 3302#L622 test_~tmp~7#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 3800#L630 assume !(0 != test_~tmp~7#1); 3214#L630-2 test_~tmp___0~2#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 3261#L640 assume !(0 != test_~tmp___0~2#1); 3497#L640-2 test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 3645#L650 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1; 3537#L662 assume !(0 != test_~tmp___1~0#1); 3183#L662-1 assume { :begin_inline_timeShift } true; 3802#L184 assume !(0 != ~pumpRunning~0); 3608#L184-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 3609#L327 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 3499#L284-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 3500#L241-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 3818#L208-26 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 3452#L250-8 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 3453#L293-2 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 3470#L336 assume { :end_inline_processEnvironment } true; 3424#L191-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_#t~ret30#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 3425#L109-10 __utac_acc__Specification2_spec__2_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret29#1;havoc __utac_acc__Specification2_spec__2_#t~ret29#1; 3492#L705 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 3332#L705-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 3579#L201 assume { :end_inline_timeShift } true; 3580#L620-2 [2022-02-21 04:16:44,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:44,050 INFO L85 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 2 times [2022-02-21 04:16:44,050 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:44,050 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910644588] [2022-02-21 04:16:44,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:44,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:44,099 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:44,123 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:44,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:44,125 INFO L85 PathProgramCache]: Analyzing trace with hash 880051575, now seen corresponding path program 1 times [2022-02-21 04:16:44,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:44,126 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838067665] [2022-02-21 04:16:44,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:44,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:44,147 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:44,156 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:44,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:44,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1030143654, now seen corresponding path program 1 times [2022-02-21 04:16:44,158 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:44,158 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553801357] [2022-02-21 04:16:44,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:44,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:44,186 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:44,229 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:47,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:16:47 BoogieIcfgContainer [2022-02-21 04:16:47,117 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:16:47,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:16:47,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:16:47,118 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:16:47,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:37" (3/4) ... [2022-02-21 04:16:47,120 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:16:47,154 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:16:47,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:16:47,156 INFO L158 Benchmark]: Toolchain (without parser) took 11307.50ms. Allocated memory was 125.8MB in the beginning and 339.7MB in the end (delta: 213.9MB). Free memory was 96.9MB in the beginning and 144.8MB in the end (delta: -47.8MB). Peak memory consumption was 165.9MB. Max. memory is 16.1GB. [2022-02-21 04:16:47,156 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:16:47,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.94ms. Allocated memory is still 125.8MB. Free memory was 96.8MB in the beginning and 86.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 04:16:47,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.09ms. Allocated memory is still 125.8MB. Free memory was 86.0MB in the beginning and 73.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-02-21 04:16:47,157 INFO L158 Benchmark]: Boogie Preprocessor took 74.59ms. Allocated memory is still 125.8MB. Free memory was 73.3MB in the beginning and 65.8MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-21 04:16:47,157 INFO L158 Benchmark]: RCFGBuilder took 1330.63ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 65.6MB in the beginning and 143.1MB in the end (delta: -77.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2022-02-21 04:16:47,157 INFO L158 Benchmark]: BuchiAutomizer took 9312.53ms. Allocated memory was 184.5MB in the beginning and 339.7MB in the end (delta: 155.2MB). Free memory was 143.1MB in the beginning and 147.9MB in the end (delta: -4.8MB). Peak memory consumption was 190.2MB. Max. memory is 16.1GB. [2022-02-21 04:16:47,157 INFO L158 Benchmark]: Witness Printer took 37.39ms. Allocated memory is still 339.7MB. Free memory was 147.9MB in the beginning and 144.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:16:47,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.94ms. Allocated memory is still 125.8MB. Free memory was 96.8MB in the beginning and 86.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.09ms. Allocated memory is still 125.8MB. Free memory was 86.0MB in the beginning and 73.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.59ms. Allocated memory is still 125.8MB. Free memory was 73.3MB in the beginning and 65.8MB in the end (delta: 7.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1330.63ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 65.6MB in the beginning and 143.1MB in the end (delta: -77.5MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 9312.53ms. Allocated memory was 184.5MB in the beginning and 339.7MB in the end (delta: 155.2MB). Free memory was 143.1MB in the beginning and 147.9MB in the end (delta: -4.8MB). Peak memory consumption was 190.2MB. Max. memory is 16.1GB. * Witness Printer took 37.39ms. Allocated memory is still 339.7MB. Free memory was 147.9MB in the beginning and 144.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 814 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 4.4s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.5s AutomataMinimizationTime, 1 MinimizatonAttempts, 1486 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.3s Buchi closure took 0.0s. Biggest automaton had 814 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7055 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7055 mSDsluCounter, 8398 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7367 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 1031 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 620]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, tmp___0=0, __SELECTED_FEATURE_base=1, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d5166f1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3537e162=0, methaneLevelCritical=0, tmp=0, retValue_acc=0, retValue_acc=0, __GUIDSL_ROOT_PRODUCTION=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b81dcce=0, tmp___2=0, cleanupTimeShifts=4, choice=29, \result=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, retValue_acc=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76e50901=0, __SELECTED_FEATURE_methaneAlarm=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@420286f3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20e6be2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f53018d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fab0352=0, __SELECTED_FEATURE_lowWaterSensor=0, head=0, pumpRunning=0, __SELECTED_FEATURE_highWaterSensor=0, retValue_acc=1, \result=0, \result=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_stopCommand=0, methAndRunningLastTime=0, tmp=1, \result=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c712e49=0, head=0, __SELECTED_FEATURE_startCommand=29, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1afad080=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@be76752=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77e7612=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ccb4106=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50f80bf9=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 620]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int __SELECTED_FEATURE_base ; [L51] int __SELECTED_FEATURE_highWaterSensor ; [L52] int __SELECTED_FEATURE_lowWaterSensor ; [L53] int __SELECTED_FEATURE_methaneQuery ; [L54] int __SELECTED_FEATURE_methaneAlarm ; [L55] int __SELECTED_FEATURE_stopCommand ; [L56] int __SELECTED_FEATURE_startCommand ; [L57] int __GUIDSL_ROOT_PRODUCTION ; [L66] int waterLevel = 1; [L67] int methaneLevelCritical = 0; [L176] int pumpRunning = 0; [L177] int systemActive = 1; [L508] int cleanupTimeShifts = 4; [L688] int methAndRunningLastTime ; [L896] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int retValue_acc ; [L588] int tmp ; [L592] CALL select_helpers() [L1133] __GUIDSL_ROOT_PRODUCTION = 1 [L592] RET select_helpers() [L593] CALL select_features() [L1118] __SELECTED_FEATURE_base = 1 [L1119] CALL, EXPR select_one() [L1104] int retValue_acc ; [L1105] int choice = __VERIFIER_nondet_int(); [L1108] retValue_acc = choice [L1109] return (retValue_acc); [L1119] RET, EXPR select_one() [L1119] __SELECTED_FEATURE_highWaterSensor = select_one() [L1120] CALL, EXPR select_one() [L1104] int retValue_acc ; [L1105] int choice = __VERIFIER_nondet_int(); [L1108] retValue_acc = choice [L1109] return (retValue_acc); [L1120] RET, EXPR select_one() [L1120] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1121] CALL, EXPR select_one() [L1104] int retValue_acc ; [L1105] int choice = __VERIFIER_nondet_int(); [L1108] retValue_acc = choice [L1109] return (retValue_acc); [L1121] RET, EXPR select_one() [L1121] __SELECTED_FEATURE_methaneQuery = select_one() [L1122] CALL, EXPR select_one() [L1104] int retValue_acc ; [L1105] int choice = __VERIFIER_nondet_int(); [L1108] retValue_acc = choice [L1109] return (retValue_acc); [L1122] RET, EXPR select_one() [L1122] __SELECTED_FEATURE_methaneAlarm = select_one() [L1123] CALL, EXPR select_one() [L1104] int retValue_acc ; [L1105] int choice = __VERIFIER_nondet_int(); [L1108] retValue_acc = choice [L1109] return (retValue_acc); [L1123] RET, EXPR select_one() [L1123] __SELECTED_FEATURE_stopCommand = select_one() [L1124] CALL, EXPR select_one() [L1104] int retValue_acc ; [L1105] int choice = __VERIFIER_nondet_int(); [L1108] retValue_acc = choice [L1109] return (retValue_acc); [L1124] RET, EXPR select_one() [L1124] __SELECTED_FEATURE_startCommand = select_one() [L593] RET select_features() [L594] CALL, EXPR valid_product() [L1138] int retValue_acc ; [L1141] retValue_acc = __SELECTED_FEATURE_base [L1142] return (retValue_acc); [L594] RET, EXPR valid_product() [L594] tmp = valid_product() [L596] COND TRUE \read(tmp) [L598] FCALL setup() [L599] CALL runTest() [L577] CALL __utac_acc__Specification2_spec__1() [L693] methAndRunningLastTime = 0 [L577] RET __utac_acc__Specification2_spec__1() [L578] CALL test() [L611] int splverifierCounter ; [L612] int tmp ; [L613] int tmp___0 ; [L614] int tmp___1 ; [L615] int tmp___2 ; [L618] splverifierCounter = 0 Loop: [L620] COND TRUE 1 [L622] COND TRUE splverifierCounter < 4 [L628] tmp = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp)) [L638] tmp___0 = __VERIFIER_nondet_int() [L640] COND FALSE !(\read(tmp___0)) [L648] tmp___2 = __VERIFIER_nondet_int() [L650] COND FALSE !(\read(tmp___2)) [L660] tmp___1 = __VERIFIER_nondet_int() [L662] COND FALSE !(\read(tmp___1)) [L675] CALL timeShift() [L184] COND FALSE !(\read(pumpRunning)) [L191] COND TRUE \read(systemActive) [L193] CALL processEnvironment() [L327] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L334] CALL processEnvironment__before__methaneAlarm() [L284] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L291] CALL processEnvironment__before__lowWaterSensor() [L241] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L248] FCALL processEnvironment__before__highWaterSensor() [L291] RET processEnvironment__before__lowWaterSensor() [L334] RET processEnvironment__before__methaneAlarm() [L193] RET processEnvironment() [L199] CALL __utac_acc__Specification2_spec__2() [L698] int tmp ; [L699] int tmp___0 ; [L703] CALL, EXPR isMethaneLevelCritical() [L105] int retValue_acc ; [L108] retValue_acc = methaneLevelCritical [L109] return (retValue_acc); [L703] RET, EXPR isMethaneLevelCritical() [L703] tmp = isMethaneLevelCritical() [L705] COND FALSE !(\read(tmp)) [L721] methAndRunningLastTime = 0 [L199] RET __utac_acc__Specification2_spec__2() [L675] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:16:47,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)