./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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_spec2_product07.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 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:17:05,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:17:05,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:17:05,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:17:05,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:17:05,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:17:05,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:17:05,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:17:05,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:17:05,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:17:05,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:17:05,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:17:05,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:17:05,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:17:05,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:17:05,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:17:05,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:17:05,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:17:05,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:17:05,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:17:05,963 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:17:05,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:17:05,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:17:05,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:17:05,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:17:05,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:17:05,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:17:05,972 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:17:05,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:17:05,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:17:05,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:17:05,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:17:05,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:17:05,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:17:05,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:17:05,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:17:05,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:17:05,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:17:05,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:17:05,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:17:05,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:17:05,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:17:05,981 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:17:06,003 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:17:06,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:17:06,005 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:17:06,005 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:17:06,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:17:06,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:17:06,006 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:17:06,006 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:17:06,007 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:17:06,007 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:17:06,007 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:17:06,007 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:17:06,008 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:17:06,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:17:06,008 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:17:06,008 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:17:06,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:17:06,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:17:06,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:17:06,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:17:06,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:17:06,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:17:06,010 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:17:06,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:17:06,010 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:17:06,010 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:17:06,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:17:06,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:17:06,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:17:06,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:17:06,011 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:17:06,012 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:17:06,012 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 [2022-07-13 04:17:06,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:17:06,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:17:06,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:17:06,249 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:17:06,249 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:17:06,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2022-07-13 04:17:06,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d995eea/8bc35aa1535c4af2b22aa69ebb81ef87/FLAGce2901f99 [2022-07-13 04:17:06,639 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:17:06,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2022-07-13 04:17:06,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d995eea/8bc35aa1535c4af2b22aa69ebb81ef87/FLAGce2901f99 [2022-07-13 04:17:07,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d995eea/8bc35aa1535c4af2b22aa69ebb81ef87 [2022-07-13 04:17:07,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:17:07,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:17:07,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:17:07,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:17:07,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:17:07,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:17:07" (1/1) ... [2022-07-13 04:17:07,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a80b1e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07, skipping insertion in model container [2022-07-13 04:17:07,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:17:07" (1/1) ... [2022-07-13 04:17:07,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:17:07,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:17:07,285 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2022-07-13 04:17:07,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:17:07,345 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:17:07,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2022-07-13 04:17:07,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:17:07,421 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:17:07,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07 WrapperNode [2022-07-13 04:17:07,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:17:07,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:17:07,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:17:07,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:17:07,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07" (1/1) ... [2022-07-13 04:17:07,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07" (1/1) ... [2022-07-13 04:17:07,466 INFO L137 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 48, calls inlined = 50, statements flattened = 382 [2022-07-13 04:17:07,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:17:07,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:17:07,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:17:07,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:17:07,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07" (1/1) ... [2022-07-13 04:17:07,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07" (1/1) ... [2022-07-13 04:17:07,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07" (1/1) ... [2022-07-13 04:17:07,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07" (1/1) ... [2022-07-13 04:17:07,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07" (1/1) ... [2022-07-13 04:17:07,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07" (1/1) ... [2022-07-13 04:17:07,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07" (1/1) ... [2022-07-13 04:17:07,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:17:07,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:17:07,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:17:07,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:17:07,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07" (1/1) ... [2022-07-13 04:17:07,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:17:07,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:17:07,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:17:07,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:17:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:17:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:17:07,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:17:07,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:17:07,604 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:17:07,605 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:17:07,892 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:17:07,898 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:17:07,898 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:17:07,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:17:07 BoogieIcfgContainer [2022-07-13 04:17:07,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:17:07,900 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:17:07,900 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:17:07,907 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:17:07,908 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:17:07,908 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:17:07" (1/3) ... [2022-07-13 04:17:07,909 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5abe82e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:17:07, skipping insertion in model container [2022-07-13 04:17:07,909 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:17:07,909 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:07" (2/3) ... [2022-07-13 04:17:07,909 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5abe82e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:17:07, skipping insertion in model container [2022-07-13 04:17:07,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:17:07,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:17:07" (3/3) ... [2022-07-13 04:17:07,911 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2022-07-13 04:17:07,955 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:17:07,955 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:17:07,955 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:17:07,955 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:17:07,955 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:17:07,955 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:17:07,956 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:17:07,956 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:17:07,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 103 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:17:07,987 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-07-13 04:17:07,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:17:07,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:17:07,993 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:07,993 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:07,993 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:17:07,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 103 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:17:08,001 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-07-13 04:17:08,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:17:08,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:17:08,001 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:08,001 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:08,005 INFO L752 eck$LassoCheckResult]: Stem: 92#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0; 29#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 103#L384true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 101#L377true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 35#L392true main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 102#L856true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 62#L831true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 66#L876true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 85#L302-2true [2022-07-13 04:17:08,005 INFO L754 eck$LassoCheckResult]: Loop: 85#L302-2true assume !false; 94#L303true assume test_~splverifierCounter~0#1 < 4; 69#L304true test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 98#L312true assume !(0 != test_~tmp~1#1); 54#L312-2true test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 60#L322true assume !(0 != test_~tmp___0~0#1); 48#L322-2true test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 18#L332true assume 0 != test_~tmp___2~0#1; 53#L338-2true assume { :begin_inline_timeShift } true; 70#L150true assume !(0 != ~pumpRunning~0); 58#L150-2true assume !(0 != ~systemActive~0); 11#L157-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 34#L99-1true __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 95#L887true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 22#L887-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 13#L167true assume { :end_inline_timeShift } true; 85#L302-2true [2022-07-13 04:17:08,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:08,010 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-13 04:17:08,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:08,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233585527] [2022-07-13 04:17:08,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:08,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:08,144 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:08,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:08,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:08,184 INFO L85 PathProgramCache]: Analyzing trace with hash 825337738, now seen corresponding path program 1 times [2022-07-13 04:17:08,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:08,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195909698] [2022-07-13 04:17:08,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:08,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:08,206 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:08,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:08,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:08,217 INFO L85 PathProgramCache]: Analyzing trace with hash 663050355, now seen corresponding path program 1 times [2022-07-13 04:17:08,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:08,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698207946] [2022-07-13 04:17:08,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:08,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:17:08,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:17:08,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:17:08,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698207946] [2022-07-13 04:17:08,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698207946] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:17:08,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:17:08,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:17:08,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408490266] [2022-07-13 04:17:08,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:17:08,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:17:08,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 04:17:08,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 04:17:08,493 INFO L87 Difference]: Start difference. First operand has 104 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 103 states have internal predecessors, (141), 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 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:17:08,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:17:08,621 INFO L93 Difference]: Finished difference Result 261 states and 336 transitions. [2022-07-13 04:17:08,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 04:17:08,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 261 states and 336 transitions. [2022-07-13 04:17:08,640 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 165 [2022-07-13 04:17:08,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 261 states to 231 states and 306 transitions. [2022-07-13 04:17:08,649 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2022-07-13 04:17:08,651 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2022-07-13 04:17:08,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 306 transitions. [2022-07-13 04:17:08,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:17:08,654 INFO L369 hiAutomatonCegarLoop]: Abstraction has 231 states and 306 transitions. [2022-07-13 04:17:08,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 306 transitions. [2022-07-13 04:17:08,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 146. [2022-07-13 04:17:08,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 145 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:17:08,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2022-07-13 04:17:08,691 INFO L392 hiAutomatonCegarLoop]: Abstraction has 146 states and 194 transitions. [2022-07-13 04:17:08,691 INFO L374 stractBuchiCegarLoop]: Abstraction has 146 states and 194 transitions. [2022-07-13 04:17:08,691 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:17:08,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states and 194 transitions. [2022-07-13 04:17:08,693 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2022-07-13 04:17:08,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:17:08,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:17:08,694 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:08,694 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:08,694 INFO L752 eck$LassoCheckResult]: Stem: 468#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(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0; 456#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret47#1, main_~retValue_acc~9#1, main_~tmp~5#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 457#L384 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 473#L377 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 464#L392 main_#t~ret47#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret47#1;havoc main_#t~ret47#1; 465#L856 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 425#L831 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 426#L876 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 420#L302-2 [2022-07-13 04:17:08,694 INFO L754 eck$LassoCheckResult]: Loop: 420#L302-2 assume !false; 463#L303 assume test_~splverifierCounter~0#1 < 4; 441#L304 test_~tmp~1#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 442#L312 assume !(0 != test_~tmp~1#1); 401#L312-2 test_~tmp___0~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 402#L322 assume !(0 != test_~tmp___0~0#1); 385#L322-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 386#L332 assume 0 != test_~tmp___2~0#1; 396#L338-2 assume { :begin_inline_timeShift } true; 397#L150 assume !(0 != ~pumpRunning~0); 417#L150-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 418#L182 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 435#L174-1 assume { :end_inline_processEnvironment__wrappee__base } true; 436#L182-1 assume { :end_inline_processEnvironment } true; 410#L157-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 411#L99-1 __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 461#L887 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 388#L887-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 419#L167 assume { :end_inline_timeShift } true; 420#L302-2 [2022-07-13 04:17:08,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:08,695 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-13 04:17:08,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:08,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971824329] [2022-07-13 04:17:08,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:08,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:08,738 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:08,759 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:08,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:08,760 INFO L85 PathProgramCache]: Analyzing trace with hash -61847530, now seen corresponding path program 1 times [2022-07-13 04:17:08,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:08,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947585606] [2022-07-13 04:17:08,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:08,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:08,768 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:08,772 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:08,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:08,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1367900813, now seen corresponding path program 1 times [2022-07-13 04:17:08,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:08,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798801577] [2022-07-13 04:17:08,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:08,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:08,787 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:08,809 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:11,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:17:11 BoogieIcfgContainer [2022-07-13 04:17:11,033 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:17:11,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:17:11,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:17:11,033 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:17:11,034 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:17:07" (3/4) ... [2022-07-13 04:17:11,043 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:17:11,086 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:17:11,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:17:11,087 INFO L158 Benchmark]: Toolchain (without parser) took 4062.47ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 62.0MB in the beginning and 49.2MB in the end (delta: 12.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-07-13 04:17:11,088 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory was 50.6MB in the beginning and 50.5MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:17:11,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.38ms. Allocated memory is still 94.4MB. Free memory was 61.8MB in the beginning and 63.6MB in the end (delta: -1.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 04:17:11,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.45ms. Allocated memory is still 94.4MB. Free memory was 63.6MB in the beginning and 61.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:17:11,088 INFO L158 Benchmark]: Boogie Preprocessor took 33.71ms. Allocated memory is still 94.4MB. Free memory was 61.1MB in the beginning and 59.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:17:11,089 INFO L158 Benchmark]: RCFGBuilder took 398.72ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 42.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-13 04:17:11,089 INFO L158 Benchmark]: BuchiAutomizer took 3132.90ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 42.2MB in the beginning and 51.3MB in the end (delta: -9.1MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2022-07-13 04:17:11,089 INFO L158 Benchmark]: Witness Printer took 53.26ms. Allocated memory is still 136.3MB. Free memory was 51.3MB in the beginning and 49.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:17:11,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 94.4MB. Free memory was 50.6MB in the beginning and 50.5MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.38ms. Allocated memory is still 94.4MB. Free memory was 61.8MB in the beginning and 63.6MB in the end (delta: -1.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.45ms. Allocated memory is still 94.4MB. Free memory was 63.6MB in the beginning and 61.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.71ms. Allocated memory is still 94.4MB. Free memory was 61.1MB in the beginning and 59.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.72ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 42.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3132.90ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 42.2MB in the beginning and 51.3MB in the end (delta: -9.1MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 53.26ms. Allocated memory is still 136.3MB. Free memory was 51.3MB in the beginning and 49.2MB in the end (delta: 2.1MB). 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 6 locations. The remainder module has 146 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. 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 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 85 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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: 0 mSolverCounterUnknown, 469 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 811 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 686 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 125 mSDtfsCounter, 42 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 302]: 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, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5707f490=0, NULL=1, methaneLevelCritical=0, tmp=0, \result=0, retValue_acc=1, retValue_acc=0, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@117dc687=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56e16634=0, tmp___2=29, tmp=0, methAndRunningLastTime=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c54f175=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@89a7c19=0, cleanupTimeShifts=4, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c5d549=29, \result=0, tmp=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bea610e=0, tmp___1=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12cb9346=0, waterLevel=1, systemActive=1, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 302]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L142] int pumpRunning = 0; [L143] int systemActive = 1; [L575] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L772] int cleanupTimeShifts = 4; [L870] int methAndRunningLastTime ; [L847] int retValue_acc ; [L848] int tmp ; [L852] FCALL select_helpers() [L853] FCALL select_features() [L854] CALL, EXPR valid_product() [L388] int retValue_acc ; [L391] retValue_acc = 1 [L392] return (retValue_acc); [L854] RET, EXPR valid_product() [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) [L858] FCALL setup() [L859] CALL runTest() [L840] CALL __utac_acc__Specification2_spec__1() [L875] methAndRunningLastTime = 0 [L840] RET __utac_acc__Specification2_spec__1() [L841] CALL test() [L293] int splverifierCounter ; [L294] int tmp ; [L295] int tmp___0 ; [L296] int tmp___1 ; [L297] int tmp___2 ; [L300] splverifierCounter = 0 Loop: [L302] COND TRUE 1 [L304] COND TRUE splverifierCounter < 4 [L310] tmp = __VERIFIER_nondet_int() [L312] COND FALSE !(\read(tmp)) [L320] tmp___0 = __VERIFIER_nondet_int() [L322] COND FALSE !(\read(tmp___0)) [L330] tmp___2 = __VERIFIER_nondet_int() [L332] COND TRUE \read(tmp___2) [L347] CALL timeShift() [L150] COND FALSE !(\read(pumpRunning)) [L157] COND TRUE \read(systemActive) [L159] CALL processEnvironment() [L179] int tmp ; [L182] COND FALSE !(\read(pumpRunning)) [L197] FCALL processEnvironment__wrappee__base() [L159] RET processEnvironment() [L165] CALL __utac_acc__Specification2_spec__2() [L880] int tmp ; [L881] int tmp___0 ; [L885] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L885] RET, EXPR isMethaneLevelCritical() [L885] tmp = isMethaneLevelCritical() [L887] COND FALSE !(\read(tmp)) [L903] methAndRunningLastTime = 0 [L165] RET __utac_acc__Specification2_spec__2() [L347] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:17:11,124 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)