./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_spec1_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 e237a09aaa1bc75b51620084d47086dcaad161f8c8500bd0b8b901d1a9d4bb0a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:39:43,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:39:43,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:39:43,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:39:43,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:39:43,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:39:43,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:39:44,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:39:44,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:39:44,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:39:44,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:39:44,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:39:44,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:39:44,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:39:44,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:39:44,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:39:44,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:39:44,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:39:44,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:39:44,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:39:44,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:39:44,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:39:44,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:39:44,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:39:44,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:39:44,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:39:44,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:39:44,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:39:44,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:39:44,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:39:44,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:39:44,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:39:44,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:39:44,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:39:44,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:39:44,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:39:44,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:39:44,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:39:44,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:39:44,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:39:44,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:39:44,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-28 09:39:44,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:39:44,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:39:44,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:39:44,068 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:39:44,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:39:44,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:39:44,070 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:39:44,070 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:39:44,070 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:39:44,070 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:39:44,071 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:39:44,071 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:39:44,071 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:39:44,071 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:39:44,071 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 09:39:44,072 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:39:44,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:39:44,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 09:39:44,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:39:44,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:39:44,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:39:44,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:39:44,073 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 09:39:44,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:39:44,073 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:39:44,080 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:39:44,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:39:44,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:39:44,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:39:44,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:39:44,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:39:44,082 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:39:44,083 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e237a09aaa1bc75b51620084d47086dcaad161f8c8500bd0b8b901d1a9d4bb0a [2021-12-28 09:39:44,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:39:44,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:39:44,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:39:44,337 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:39:44,337 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:39:44,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2021-12-28 09:39:44,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef25e5578/9ea61fd55e4247578630d28affdb43ee/FLAG37166f31c [2021-12-28 09:39:44,795 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:39:44,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_productSimulator.cil.c [2021-12-28 09:39:44,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef25e5578/9ea61fd55e4247578630d28affdb43ee/FLAG37166f31c [2021-12-28 09:39:44,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef25e5578/9ea61fd55e4247578630d28affdb43ee [2021-12-28 09:39:44,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:39:44,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:39:44,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:39:44,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:39:44,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:39:44,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:39:44" (1/1) ... [2021-12-28 09:39:44,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3504a3aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:44, skipping insertion in model container [2021-12-28 09:39:44,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:39:44" (1/1) ... [2021-12-28 09:39:44,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:39:44,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:39:45,127 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_spec1_productSimulator.cil.c[20217,20230] [2021-12-28 09:39:45,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:39:45,144 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:39:45,186 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_spec1_productSimulator.cil.c[20217,20230] [2021-12-28 09:39:45,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:39:45,209 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:39:45,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:45 WrapperNode [2021-12-28 09:39:45,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:39:45,211 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:39:45,211 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:39:45,211 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:39:45,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:45" (1/1) ... [2021-12-28 09:39:45,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:45" (1/1) ... [2021-12-28 09:39:45,318 INFO L137 Inliner]: procedures = 63, calls = 177, calls flagged for inlining = 74, calls inlined = 449, statements flattened = 2733 [2021-12-28 09:39:45,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:39:45,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:39:45,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:39:45,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:39:45,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:45" (1/1) ... [2021-12-28 09:39:45,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:45" (1/1) ... [2021-12-28 09:39:45,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:45" (1/1) ... [2021-12-28 09:39:45,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:45" (1/1) ... [2021-12-28 09:39:45,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:45" (1/1) ... [2021-12-28 09:39:45,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:45" (1/1) ... [2021-12-28 09:39:45,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:45" (1/1) ... [2021-12-28 09:39:45,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:39:45,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:39:45,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:39:45,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:39:45,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:45" (1/1) ... [2021-12-28 09:39:45,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:39:45,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:39:45,404 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) [2021-12-28 09:39:45,425 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 [2021-12-28 09:39:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 09:39:45,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 09:39:45,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:39:45,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:39:45,492 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:39:45,493 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:39:46,313 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:39:46,328 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:39:46,328 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 09:39:46,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:39:46 BoogieIcfgContainer [2021-12-28 09:39:46,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:39:46,332 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:39:46,332 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:39:46,334 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:39:46,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:39:46,335 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:39:44" (1/3) ... [2021-12-28 09:39:46,336 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d386bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:39:46, skipping insertion in model container [2021-12-28 09:39:46,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:39:46,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:45" (2/3) ... [2021-12-28 09:39:46,336 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d386bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:39:46, skipping insertion in model container [2021-12-28 09:39:46,336 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:39:46,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:39:46" (3/3) ... [2021-12-28 09:39:46,337 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2021-12-28 09:39:46,363 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:39:46,364 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:39:46,364 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:39:46,364 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:39:46,364 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:39:46,364 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:39:46,364 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:39:46,364 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:39:46,404 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 766 states, 765 states have (on average 1.34640522875817) internal successors, (1030), 765 states have internal predecessors, (1030), 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) [2021-12-28 09:39:46,472 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 505 [2021-12-28 09:39:46,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:39:46,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:39:46,484 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:46,484 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:46,485 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:39:46,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 766 states, 765 states have (on average 1.34640522875817) internal successors, (1030), 765 states have internal predecessors, (1030), 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) [2021-12-28 09:39:46,498 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 505 [2021-12-28 09:39:46,498 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:39:46,498 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:39:46,500 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:46,500 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:46,507 INFO L791 eck$LassoCheckResult]: Stem: 752#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~__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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 643#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret60#1, main_~retValue_acc~13#1, main_~tmp~11#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 638#L883true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret47#1, select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 287#L858true select_features_#t~ret47#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret47#1;havoc select_features_#t~ret47#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 520#L858-1true select_features_#t~ret48#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 117#L858-2true select_features_#t~ret49#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 218#L858-3true select_features_#t~ret50#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 120#L858-4true select_features_#t~ret51#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 546#L858-5true select_features_#t~ret52#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1; 20#L875true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 280#L891true main_#t~ret60#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret60#1;havoc main_#t~ret60#1; 30#L1118true assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 263#L1095true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 552#L74-2true [2021-12-28 09:39:46,508 INFO L793 eck$LassoCheckResult]: Loop: 552#L74-2true assume !false; 680#L75true assume test_~splverifierCounter~0#1 < 4; 480#L76true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 563#L84true assume !(0 != test_~tmp~0#1); 41#L84-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 169#L94true assume !(0 != test_~tmp___0~0#1); 150#L94-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 395#L104true assume 0 != test_~tmp___2~0#1; 607#L105true assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 722#L116-1true assume { :begin_inline_timeShift } true; 209#L158true assume !(0 != ~pumpRunning~0); 205#L158-2true assume !(0 != ~systemActive~0); 390#L165-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~10#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~10#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 739#L967-10true __utac_acc__Specification1_spec__1_#t~ret53#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~10#1 := __utac_acc__Specification1_spec__1_#t~ret53#1;havoc __utac_acc__Specification1_spec__1_#t~ret53#1; 564#L905true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~10#1); 476#L905-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 186#L175true assume { :end_inline_timeShift } true; 552#L74-2true [2021-12-28 09:39:46,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:46,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 1 times [2021-12-28 09:39:46,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:46,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497693978] [2021-12-28 09:39:46,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:46,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:46,635 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:46,696 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:46,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:46,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1371909646, now seen corresponding path program 1 times [2021-12-28 09:39:46,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:46,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726929690] [2021-12-28 09:39:46,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:46,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:46,712 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:46,725 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:46,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:46,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1809728536, now seen corresponding path program 1 times [2021-12-28 09:39:46,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:46,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347775154] [2021-12-28 09:39:46,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:46,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:39:46,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:39:46,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:39:46,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347775154] [2021-12-28 09:39:46,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347775154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:39:46,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:39:46,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 09:39:46,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135375924] [2021-12-28 09:39:46,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:39:47,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:39:47,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 09:39:47,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-28 09:39:47,026 INFO L87 Difference]: Start difference. First operand has 766 states, 765 states have (on average 1.34640522875817) internal successors, (1030), 765 states have internal predecessors, (1030), 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 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-12-28 09:39:47,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:39:47,235 INFO L93 Difference]: Finished difference Result 2327 states and 3108 transitions. [2021-12-28 09:39:47,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 09:39:47,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2327 states and 3108 transitions. [2021-12-28 09:39:47,255 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 1542 [2021-12-28 09:39:47,269 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2327 states to 2287 states and 3068 transitions. [2021-12-28 09:39:47,271 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2287 [2021-12-28 09:39:47,273 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2287 [2021-12-28 09:39:47,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2287 states and 3068 transitions. [2021-12-28 09:39:47,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:39:47,282 INFO L681 BuchiCegarLoop]: Abstraction has 2287 states and 3068 transitions. [2021-12-28 09:39:47,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states and 3068 transitions. [2021-12-28 09:39:47,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 807. [2021-12-28 09:39:47,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 807 states have (on average 1.339529120198265) internal successors, (1081), 806 states have internal predecessors, (1081), 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) [2021-12-28 09:39:47,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1081 transitions. [2021-12-28 09:39:47,345 INFO L704 BuchiCegarLoop]: Abstraction has 807 states and 1081 transitions. [2021-12-28 09:39:47,345 INFO L587 BuchiCegarLoop]: Abstraction has 807 states and 1081 transitions. [2021-12-28 09:39:47,345 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:39:47,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 807 states and 1081 transitions. [2021-12-28 09:39:47,349 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 543 [2021-12-28 09:39:47,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:39:47,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:39:47,351 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:47,351 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] [2021-12-28 09:39:47,351 INFO L791 eck$LassoCheckResult]: Stem: 3867#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~__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;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 3850#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret60#1, main_~retValue_acc~13#1, main_~tmp~11#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 3849#L883 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;havoc select_features_#t~ret47#1, select_features_#t~ret48#1, select_features_#t~ret49#1, select_features_#t~ret50#1, select_features_#t~ret51#1, select_features_#t~ret52#1;~__SELECTED_FEATURE_base~0 := 1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3593#L858 select_features_#t~ret47#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret47#1;havoc select_features_#t~ret47#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3594#L858-1 select_features_#t~ret48#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret48#1;havoc select_features_#t~ret48#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3339#L858-2 select_features_#t~ret49#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret49#1;havoc select_features_#t~ret49#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3340#L858-3 select_features_#t~ret50#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret50#1;havoc select_features_#t~ret50#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3344#L858-4 select_features_#t~ret51#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret51#1;havoc select_features_#t~ret51#1;assume { :begin_inline_select_one } true;havoc select_one_#res#1;havoc select_one_#t~nondet46#1, select_one_~retValue_acc~7#1, select_one_~choice~0#1;havoc select_one_~retValue_acc~7#1;select_one_~choice~0#1 := select_one_#t~nondet46#1;havoc select_one_#t~nondet46#1;select_one_~retValue_acc~7#1 := select_one_~choice~0#1;select_one_#res#1 := select_one_~retValue_acc~7#1; 3345#L858-5 select_features_#t~ret52#1 := select_one_#res#1;assume { :end_inline_select_one } true;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret52#1;havoc select_features_#t~ret52#1; 3151#L875 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := ~__SELECTED_FEATURE_base~0;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 3152#L891 main_#t~ret60#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret60#1;havoc main_#t~ret60#1; 3169#L1118 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 3170#L1095 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3450#L74-2 [2021-12-28 09:39:47,351 INFO L793 eck$LassoCheckResult]: Loop: 3450#L74-2 assume !false; 3812#L75 assume test_~splverifierCounter~0#1 < 4; 3777#L76 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 3778#L84 assume !(0 != test_~tmp~0#1); 3193#L84-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 3194#L94 assume !(0 != test_~tmp___0~0#1); 3392#L94-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 3393#L104 assume 0 != test_~tmp___2~0#1; 3712#L105 assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 3131#L116-1 assume { :begin_inline_timeShift } true; 3484#L158 assume !(0 != ~pumpRunning~0); 3478#L158-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 3479#L301 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0);assume { :begin_inline_processEnvironment__before__methaneAlarm } true; 3792#L258-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0);assume { :begin_inline_processEnvironment__before__lowWaterSensor } true; 3713#L215-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0);assume { :begin_inline_processEnvironment__before__highWaterSensor } true; 3714#L182-26 assume { :end_inline_processEnvironment__before__highWaterSensor } true; 3528#L224-8 assume { :end_inline_processEnvironment__before__lowWaterSensor } true; 3232#L267-2 assume { :end_inline_processEnvironment__before__methaneAlarm } true; 3586#L310 assume { :end_inline_processEnvironment } true; 3587#L165-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret53#1, __utac_acc__Specification1_spec__1_#t~ret54#1, __utac_acc__Specification1_spec__1_~tmp~10#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~10#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 3708#L967-10 __utac_acc__Specification1_spec__1_#t~ret53#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~10#1 := __utac_acc__Specification1_spec__1_#t~ret53#1;havoc __utac_acc__Specification1_spec__1_#t~ret53#1; 3818#L905 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~10#1); 3765#L905-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 3449#L175 assume { :end_inline_timeShift } true; 3450#L74-2 [2021-12-28 09:39:47,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:47,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1125405515, now seen corresponding path program 2 times [2021-12-28 09:39:47,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:47,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416426665] [2021-12-28 09:39:47,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:47,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:47,377 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:47,386 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:47,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:47,387 INFO L85 PathProgramCache]: Analyzing trace with hash 535114848, now seen corresponding path program 1 times [2021-12-28 09:39:47,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:47,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683798564] [2021-12-28 09:39:47,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:47,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:47,391 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:47,394 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:47,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:47,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1172752810, now seen corresponding path program 1 times [2021-12-28 09:39:47,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:47,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573339066] [2021-12-28 09:39:47,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:47,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:47,403 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:47,415 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:50,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:39:50 BoogieIcfgContainer [2021-12-28 09:39:50,268 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:39:50,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:39:50,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:39:50,269 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:39:50,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:39:46" (3/4) ... [2021-12-28 09:39:50,271 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-28 09:39:50,305 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-28 09:39:50,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:39:50,306 INFO L158 Benchmark]: Toolchain (without parser) took 5490.36ms. Allocated memory was 60.8MB in the beginning and 161.5MB in the end (delta: 100.7MB). Free memory was 38.5MB in the beginning and 85.9MB in the end (delta: -47.4MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2021-12-28 09:39:50,306 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:39:50,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.87ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 35.2MB in the end (delta: 3.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-28 09:39:50,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.70ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 35.0MB in the beginning and 61.6MB in the end (delta: -26.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-12-28 09:39:50,307 INFO L158 Benchmark]: Boogie Preprocessor took 51.65ms. Allocated memory is still 81.8MB. Free memory was 61.6MB in the beginning and 54.9MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-28 09:39:50,308 INFO L158 Benchmark]: RCFGBuilder took 959.80ms. Allocated memory is still 81.8MB. Free memory was 54.9MB in the beginning and 36.3MB in the end (delta: 18.6MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2021-12-28 09:39:50,308 INFO L158 Benchmark]: BuchiAutomizer took 3936.14ms. Allocated memory was 81.8MB in the beginning and 161.5MB in the end (delta: 79.7MB). Free memory was 35.9MB in the beginning and 89.1MB in the end (delta: -53.2MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2021-12-28 09:39:50,308 INFO L158 Benchmark]: Witness Printer took 36.65ms. Allocated memory is still 161.5MB. Free memory was 89.1MB in the beginning and 85.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-28 09:39:50,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.87ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 35.2MB in the end (delta: 3.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.70ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 35.0MB in the beginning and 61.6MB in the end (delta: -26.6MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.65ms. Allocated memory is still 81.8MB. Free memory was 61.6MB in the beginning and 54.9MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 959.80ms. Allocated memory is still 81.8MB. Free memory was 54.9MB in the beginning and 36.3MB in the end (delta: 18.6MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3936.14ms. Allocated memory was 81.8MB in the beginning and 161.5MB in the end (delta: 79.7MB). Free memory was 35.9MB in the beginning and 89.1MB in the end (delta: -53.2MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. * Witness Printer took 36.65ms. Allocated memory is still 161.5MB. Free memory was 89.1MB in the beginning and 85.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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 807 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 1480 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 807 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6006 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6006 mSDsluCounter, 8405 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7383 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 1022 mSDtfsCounter, 70 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: 74]: 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@4983e1de=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fefaa3a=29, methaneLevelCritical=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7551d5ae=0, __GUIDSL_ROOT_PRODUCTION=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54ae0cc6=0, tmp___2=29, retValue_acc=0, tmp=0, cleanupTimeShifts=4, choice=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d5dc0ae=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, __SELECTED_FEATURE_methaneAlarm=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30894da1=0, __SELECTED_FEATURE_lowWaterSensor=0, retValue_acc=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@286301f2=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d24e3f8=0, tmp___0=0, __SELECTED_FEATURE_highWaterSensor=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@691d4eeb=0, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28750480=0, \result=1, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_stopCommand=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ec8c1c1=0, \result=0, tmp=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a428c5e=0, __SELECTED_FEATURE_startCommand=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41b04756=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31d92ff8=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 74]: 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 ; [L150] int pumpRunning = 0; [L151] int systemActive = 1; [L651] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L924] int waterLevel = 1; [L925] int methaneLevelCritical = 0; [L1036] int cleanupTimeShifts = 4; [L1109] int retValue_acc ; [L1110] int tmp ; [L1114] CALL select_helpers() [L882] __GUIDSL_ROOT_PRODUCTION = 1 [L1114] RET select_helpers() [L1115] CALL select_features() [L867] __SELECTED_FEATURE_base = 1 [L868] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L868] RET, EXPR select_one() [L868] __SELECTED_FEATURE_highWaterSensor = select_one() [L869] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L869] RET, EXPR select_one() [L869] __SELECTED_FEATURE_lowWaterSensor = select_one() [L870] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L870] RET, EXPR select_one() [L870] __SELECTED_FEATURE_methaneQuery = select_one() [L871] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L871] RET, EXPR select_one() [L871] __SELECTED_FEATURE_methaneAlarm = select_one() [L872] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L872] RET, EXPR select_one() [L872] __SELECTED_FEATURE_stopCommand = select_one() [L873] CALL, EXPR select_one() [L853] int retValue_acc ; [L854] int choice = __VERIFIER_nondet_int(); [L857] retValue_acc = choice [L858] return (retValue_acc); [L873] RET, EXPR select_one() [L873] __SELECTED_FEATURE_startCommand = select_one() [L1115] RET select_features() [L1116] CALL, EXPR valid_product() [L887] int retValue_acc ; [L890] retValue_acc = __SELECTED_FEATURE_base [L891] return (retValue_acc); [L1116] RET, EXPR valid_product() [L1116] tmp = valid_product() [L1118] COND TRUE \read(tmp) [L1120] FCALL setup() [L1121] CALL runTest() [L1103] CALL test() [L65] int splverifierCounter ; [L66] int tmp ; [L67] int tmp___0 ; [L68] int tmp___1 ; [L69] int tmp___2 ; [L72] splverifierCounter = 0 Loop: [L74] COND TRUE 1 [L76] COND TRUE splverifierCounter < 4 [L82] tmp = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp)) [L92] tmp___0 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___0)) [L102] tmp___2 = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp___2) [L105] COND FALSE !(\read(__SELECTED_FEATURE_startCommand)) [L129] CALL timeShift() [L158] COND FALSE !(\read(pumpRunning)) [L165] COND TRUE \read(systemActive) [L167] CALL processEnvironment() [L301] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) [L308] CALL processEnvironment__before__methaneAlarm() [L258] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) [L265] CALL processEnvironment__before__lowWaterSensor() [L215] COND FALSE !(\read(__SELECTED_FEATURE_highWaterSensor)) [L222] FCALL processEnvironment__before__highWaterSensor() [L265] RET processEnvironment__before__lowWaterSensor() [L308] RET processEnvironment__before__methaneAlarm() [L167] RET processEnvironment() [L173] CALL __utac_acc__Specification1_spec__1() [L898] int tmp ; [L899] int tmp___0 ; [L903] CALL, EXPR isMethaneLevelCritical() [L963] int retValue_acc ; [L966] retValue_acc = methaneLevelCritical [L967] return (retValue_acc); [L903] RET, EXPR isMethaneLevelCritical() [L903] tmp = isMethaneLevelCritical() [L905] COND FALSE !(\read(tmp)) [L173] RET __utac_acc__Specification1_spec__1() [L129] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-28 09:39:50,365 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)