./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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_product09.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 db09c246a09e1a5256409434d3f5c428f7be014f .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 15:52:10,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:52:10,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:52:10,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:52:10,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:52:10,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:52:10,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:52:10,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:52:10,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:52:10,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:52:10,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:52:10,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:52:10,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:52:10,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:52:10,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:52:10,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:52:10,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:52:10,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:52:10,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:52:10,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:52:10,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:52:10,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:52:10,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:52:10,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:52:10,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:52:10,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:52:10,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:52:10,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:52:10,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:52:10,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:52:10,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:52:10,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:52:10,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:52:10,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:52:10,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:52:10,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:52:10,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:52:10,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:52:10,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:52:10,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:52:10,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:52:10,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:52:11,008 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:52:11,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:52:11,009 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:52:11,009 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:52:11,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:52:11,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:52:11,011 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:52:11,011 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:52:11,011 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:52:11,011 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:52:11,012 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:52:11,012 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:52:11,012 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:52:11,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:52:11,013 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:52:11,013 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:52:11,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:52:11,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:52:11,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:52:11,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:52:11,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:52:11,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:52:11,021 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:52:11,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:52:11,022 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:52:11,022 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:52:11,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:52:11,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:52:11,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:52:11,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:52:11,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:52:11,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:52:11,023 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:52:11,024 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db09c246a09e1a5256409434d3f5c428f7be014f [2021-08-27 15:52:11,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:52:11,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:52:11,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:52:11,263 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:52:11,264 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:52:11,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2021-08-27 15:52:11,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b404fbf01/7b3d5f8bf8dc412ab1c38ea2b5af3110/FLAG6d2f0d4fb [2021-08-27 15:52:11,677 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:52:11,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2021-08-27 15:52:11,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b404fbf01/7b3d5f8bf8dc412ab1c38ea2b5af3110/FLAG6d2f0d4fb [2021-08-27 15:52:11,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b404fbf01/7b3d5f8bf8dc412ab1c38ea2b5af3110 [2021-08-27 15:52:11,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:52:11,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:52:11,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:52:11,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:52:11,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:52:11,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:52:11" (1/1) ... [2021-08-27 15:52:11,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1821041c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11, skipping insertion in model container [2021-08-27 15:52:11,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:52:11" (1/1) ... [2021-08-27 15:52:11,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:52:11,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:52:11,884 WARN L228 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_product09.cil.c[12706,12719] [2021-08-27 15:52:11,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:52:11,899 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:52:11,926 WARN L228 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_product09.cil.c[12706,12719] [2021-08-27 15:52:11,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:52:11,943 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:52:11,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11 WrapperNode [2021-08-27 15:52:11,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:52:11,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:52:11,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:52:11,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:52:11,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11" (1/1) ... [2021-08-27 15:52:11,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11" (1/1) ... [2021-08-27 15:52:11,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:52:11,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:52:11,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:52:11,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:52:11,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11" (1/1) ... [2021-08-27 15:52:11,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11" (1/1) ... [2021-08-27 15:52:11,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11" (1/1) ... [2021-08-27 15:52:11,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11" (1/1) ... [2021-08-27 15:52:11,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11" (1/1) ... [2021-08-27 15:52:11,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11" (1/1) ... [2021-08-27 15:52:11,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11" (1/1) ... [2021-08-27 15:52:11,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:52:11,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:52:11,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:52:11,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:52:11,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11" (1/1) ... [2021-08-27 15:52:11,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:52:12,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:52:12,007 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) [2021-08-27 15:52:12,028 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 [2021-08-27 15:52:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:52:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:52:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:52:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:52:12,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:52:12,504 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-08-27 15:52:12,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:52:12 BoogieIcfgContainer [2021-08-27 15:52:12,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:52:12,506 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:52:12,507 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:52:12,509 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:52:12,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:52:12,510 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:52:11" (1/3) ... [2021-08-27 15:52:12,510 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f25e59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:52:12, skipping insertion in model container [2021-08-27 15:52:12,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:52:12,511 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:52:11" (2/3) ... [2021-08-27 15:52:12,511 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f25e59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:52:12, skipping insertion in model container [2021-08-27 15:52:12,511 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:52:12,511 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:52:12" (3/3) ... [2021-08-27 15:52:12,512 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2021-08-27 15:52:12,539 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:52:12,539 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:52:12,539 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:52:12,539 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:52:12,539 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:52:12,540 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:52:12,540 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:52:12,540 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:52:12,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 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) [2021-08-27 15:52:12,566 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-08-27 15:52:12,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:52:12,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:52:12,570 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 15:52:12,571 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:52:12,571 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:52:12,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 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) [2021-08-27 15:52:12,578 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-08-27 15:52:12,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:52:12,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:52:12,579 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 15:52:12,579 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:52:12,585 INFO L791 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 32#L-1true havoc main_#res;havoc main_#t~ret53, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 38#L67true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 47#L75true main_#t~ret53 := valid_product_#res;main_~tmp~3 := main_#t~ret53;havoc main_#t~ret53; 6#L626true assume 0 != main_~tmp~3; 15#L602true havoc test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 46#L842-1true [2021-08-27 15:52:12,586 INFO L793 eck$LassoCheckResult]: Loop: 46#L842-1true assume !false; 8#L780true assume test_~splverifierCounter~0 < 4; 25#L781true test_~tmp~5 := test_#t~nondet72;havoc test_#t~nondet72; 7#L789true assume !(0 != test_~tmp~5); 41#L789-1true test_~tmp___0~0 := test_#t~nondet73;havoc test_#t~nondet73; 45#L799true assume !(0 != test_~tmp___0~0); 30#L799-1true test_~tmp___2~0 := test_#t~nondet74;havoc test_#t~nondet74; 43#L809true assume 0 != test_~tmp___2~0; 33#L815-2true assume !(0 != ~pumpRunning~0); 35#L651true assume 0 != ~systemActive~0; 22#L658true havoc __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_#t~ret77, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 20#L495true __utac_acc__Specification1_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret76;havoc __utac_acc__Specification1_spec__1_#t~ret76; 37#L842true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 46#L842-1true [2021-08-27 15:52:12,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:52:12,591 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-27 15:52:12,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:52:12,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871715772] [2021-08-27 15:52:12,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:52:12,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:52:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:52:12,768 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:52:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:52:12,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:52:12,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:52:12,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573531, now seen corresponding path program 1 times [2021-08-27 15:52:12,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:52:12,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209058453] [2021-08-27 15:52:12,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:52:12,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:52:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:52:12,883 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:52:12,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:52:12,892 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:52:12,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:52:12,894 INFO L82 PathProgramCache]: Analyzing trace with hash 31705407, now seen corresponding path program 1 times [2021-08-27 15:52:12,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:52:12,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002335021] [2021-08-27 15:52:12,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:52:12,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:52:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:52:12,948 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:52:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:52:13,016 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:52:55,127 WARN L207 SmtUtils]: Spent 41.96 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-27 15:53:34,459 WARN L207 SmtUtils]: Spent 19.15 s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-27 15:53:34,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:53:34 BoogieIcfgContainer [2021-08-27 15:53:34,583 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:53:34,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:53:34,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:53:34,583 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:53:34,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:52:12" (3/4) ... [2021-08-27 15:53:34,585 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-08-27 15:53:34,612 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 15:53:34,612 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:53:34,613 INFO L168 Benchmark]: Toolchain (without parser) took 82902.49 ms. Allocated memory was 79.7 MB in the beginning and 123.7 MB in the end (delta: 44.0 MB). Free memory was 55.7 MB in the beginning and 51.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2021-08-27 15:53:34,613 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 31.9 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:53:34,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.66 ms. Allocated memory is still 79.7 MB. Free memory was 55.4 MB in the beginning and 55.9 MB in the end (delta: -483.0 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 15:53:34,614 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.39 ms. Allocated memory is still 79.7 MB. Free memory was 55.9 MB in the beginning and 53.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 15:53:34,615 INFO L168 Benchmark]: Boogie Preprocessor took 15.53 ms. Allocated memory is still 79.7 MB. Free memory was 53.1 MB in the beginning and 51.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:53:34,615 INFO L168 Benchmark]: RCFGBuilder took 514.71 ms. Allocated memory is still 79.7 MB. Free memory was 51.5 MB in the beginning and 49.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-08-27 15:53:34,616 INFO L168 Benchmark]: BuchiAutomizer took 82076.32 ms. Allocated memory was 79.7 MB in the beginning and 123.7 MB in the end (delta: 44.0 MB). Free memory was 49.5 MB in the beginning and 54.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 16.1 GB. [2021-08-27 15:53:34,616 INFO L168 Benchmark]: Witness Printer took 29.09 ms. Allocated memory is still 123.7 MB. Free memory was 54.5 MB in the beginning and 51.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 15:53:34,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 31.9 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 232.66 ms. Allocated memory is still 79.7 MB. Free memory was 55.4 MB in the beginning and 55.9 MB in the end (delta: -483.0 kB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.39 ms. Allocated memory is still 79.7 MB. Free memory was 55.9 MB in the beginning and 53.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 15.53 ms. Allocated memory is still 79.7 MB. Free memory was 53.1 MB in the beginning and 51.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 514.71 ms. Allocated memory is still 79.7 MB. Free memory was 51.5 MB in the beginning and 49.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 82076.32 ms. Allocated memory was 79.7 MB in the beginning and 123.7 MB in the end (delta: 44.0 MB). Free memory was 49.5 MB in the beginning and 54.5 MB in the end (delta: -5.0 MB). Peak memory consumption was 67.0 MB. Max. memory is 16.1 GB. * Witness Printer took 29.09 ms. Allocated memory is still 123.7 MB. Free memory was 54.5 MB in the beginning and 51.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 82.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 81.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 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: 779]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=29855} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=29855, NULL=29876, NULL=0, NULL=29879, NULL=0, NULL=0, NULL=29870, retValue_acc=0, NULL=29856, methaneLevelCritical=0, NULL=29860, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@145ef7bf=0, NULL=0, tmp___1=0, NULL=29878, NULL=0, NULL=0, tmp___0=0, NULL=29869, NULL=29863, NULL=29857, cleanupTimeShifts=4, NULL=29873, NULL=29872, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=29881, NULL=0, NULL=0, retValue_acc=0, NULL=29874, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=29883, \result=1, head=0, pumpRunning=0, NULL=29865, \result=0, NULL=29867, tmp=1, tmp=0, NULL=0, NULL=0, NULL=29866, NULL=29882, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70cc0898=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8872157=68, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f69d9ac=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32411ae2=0, NULL=29871, NULL=29859, NULL=0, NULL=29875, retValue_acc=1, tmp___2=68, NULL=29864, NULL=29880, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=29877, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e54fa46=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d117823=0, NULL=29862, head=0, NULL=0, NULL=0, NULL=29858, NULL=0, NULL=0, NULL=0, NULL=29861, NULL=0, NULL=29868} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L249] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L452] int waterLevel = 1; [L453] int methaneLevelCritical = 0; [L541] int cleanupTimeShifts = 4; [L643] int pumpRunning = 0; [L644] int systemActive = 1; [L617] int retValue_acc ; [L618] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L624] tmp = valid_product() [L626] COND TRUE \read(tmp) [L770] int splverifierCounter ; [L771] int tmp ; [L772] int tmp___0 ; [L773] int tmp___1 ; [L774] int tmp___2 ; [L777] splverifierCounter = 0 Loop: [L779] COND TRUE 1 [L781] COND TRUE splverifierCounter < 4 [L787] tmp = __VERIFIER_nondet_int() [L789] COND FALSE !(\read(tmp)) [L797] tmp___0 = __VERIFIER_nondet_int() [L799] COND FALSE !(\read(tmp___0)) [L807] tmp___2 = __VERIFIER_nondet_int() [L809] COND TRUE \read(tmp___2) [L651] COND FALSE !(\read(pumpRunning)) [L658] COND TRUE \read(systemActive) [L835] int tmp ; [L836] int tmp___0 ; [L491] int retValue_acc ; [L494] retValue_acc = methaneLevelCritical [L495] return (retValue_acc); [L840] tmp = isMethaneLevelCritical() [L842] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-08-27 15:53:34,662 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...