./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product14.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 dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:17:36,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:17:36,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:17:36,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:17:36,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:17:36,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:17:36,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:17:36,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:17:36,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:17:36,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:17:36,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:17:36,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:17:36,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:17:36,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:17:36,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:17:36,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:17:36,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:17:36,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:17:36,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:17:36,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:17:36,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:17:36,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:17:36,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:17:36,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:17:36,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:17:36,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:17:36,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:17:36,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:17:36,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:17:36,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:17:36,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:17:36,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:17:36,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:17:36,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:17:36,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:17:36,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:17:36,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:17:36,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:17:36,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:17:36,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:17:36,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:17:36,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:17:36,867 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:17:36,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:17:36,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:17:36,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:17:36,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:17:36,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:17:36,870 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:17:36,870 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:17:36,870 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:17:36,870 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:17:36,871 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:17:36,871 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:17:36,871 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:17:36,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:17:36,871 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:17:36,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:17:36,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:17:36,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:17:36,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:17:36,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:17:36,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:17:36,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:17:36,873 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:17:36,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:17:36,873 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:17:36,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:17:36,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:17:36,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:17:36,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:17:36,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:17:36,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:17:36,875 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:17:36,875 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c [2022-02-21 04:17:37,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:17:37,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:17:37,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:17:37,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:17:37,109 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:17:37,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2022-02-21 04:17:37,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ba478ee8/b42c35f2b1634ef9b8e4098107ca9355/FLAG1d25cb5cc [2022-02-21 04:17:37,547 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:17:37,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2022-02-21 04:17:37,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ba478ee8/b42c35f2b1634ef9b8e4098107ca9355/FLAG1d25cb5cc [2022-02-21 04:17:37,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ba478ee8/b42c35f2b1634ef9b8e4098107ca9355 [2022-02-21 04:17:37,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:17:37,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:17:37,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:37,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:17:37,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:17:37,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:37" (1/1) ... [2022-02-21 04:17:37,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0f0bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:37, skipping insertion in model container [2022-02-21 04:17:37,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:37" (1/1) ... [2022-02-21 04:17:37,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:17:37,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:17:38,245 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_spec4_product14.cil.c[15980,15993] [2022-02-21 04:17:38,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:38,259 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:17:38,328 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_spec4_product14.cil.c[15980,15993] [2022-02-21 04:17:38,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:38,354 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:17:38,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38 WrapperNode [2022-02-21 04:17:38,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:38,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:38,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:17:38,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:17:38,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,424 INFO L137 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 362 [2022-02-21 04:17:38,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:38,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:17:38,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:17:38,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:17:38,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:17:38,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:17:38,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:17:38,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:17:38,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (1/1) ... [2022-02-21 04:17:38,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:17:38,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:17:38,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:17:38,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 04:17:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:17:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:17:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:17:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:17:38,546 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:17:38,547 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:17:38,824 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:17:38,829 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:17:38,829 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:17:38,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:38 BoogieIcfgContainer [2022-02-21 04:17:38,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:17:38,831 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:17:38,831 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:17:38,833 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:17:38,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:38,834 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:17:37" (1/3) ... [2022-02-21 04:17:38,835 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31980326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:38, skipping insertion in model container [2022-02-21 04:17:38,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:38,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:38" (2/3) ... [2022-02-21 04:17:38,836 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31980326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:38, skipping insertion in model container [2022-02-21 04:17:38,836 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:38,836 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:38" (3/3) ... [2022-02-21 04:17:38,837 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2022-02-21 04:17:38,868 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:17:38,868 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:17:38,869 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:17:38,869 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:17:38,869 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:17:38,869 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:17:38,869 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:17:38,869 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:17:38,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:38,916 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-02-21 04:17:38,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:38,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:38,920 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:38,920 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:38,920 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:17:38,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:38,928 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-02-21 04:17:38,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:38,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:38,928 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:38,928 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:38,940 INFO L791 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(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 25#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 47#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 95#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 14#L83true main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 87#L864true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 59#L841true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 56#L553-2true [2022-02-21 04:17:38,941 INFO L793 eck$LassoCheckResult]: Loop: 56#L553-2true assume !false; 99#L554true assume test_~splverifierCounter~0#1 < 4; 97#L555true test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 50#L563true assume !(0 != test_~tmp~3#1); 94#L563-2true test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 36#L573true assume !(0 != test_~tmp___0~0#1); 84#L573-2true test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 74#L583true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 29#L769true assume { :end_inline_startSystem } true; 90#L591-2true assume { :begin_inline_timeShift } true; 75#L622true assume !(0 != ~pumpRunning~0); 58#L622-2true assume !(0 != ~systemActive~0); 60#L629-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 45#L169true __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 98#L886true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); 68#L886-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 23#L639true assume { :end_inline_timeShift } true; 56#L553-2true [2022-02-21 04:17:38,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:38,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:17:38,952 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:38,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582754080] [2022-02-21 04:17:38,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:38,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:39,077 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:39,138 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:39,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:39,140 INFO L85 PathProgramCache]: Analyzing trace with hash 940144961, now seen corresponding path program 1 times [2022-02-21 04:17:39,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:39,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728173430] [2022-02-21 04:17:39,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:39,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:17:39,233 INFO L290 TraceCheckUtils]: 0: Hoare triple {103#true} assume !false; {103#true} is VALID [2022-02-21 04:17:39,233 INFO L290 TraceCheckUtils]: 1: Hoare triple {103#true} assume test_~splverifierCounter~0#1 < 4; {103#true} is VALID [2022-02-21 04:17:39,233 INFO L290 TraceCheckUtils]: 2: Hoare triple {103#true} test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; {103#true} is VALID [2022-02-21 04:17:39,233 INFO L290 TraceCheckUtils]: 3: Hoare triple {103#true} assume !(0 != test_~tmp~3#1); {103#true} is VALID [2022-02-21 04:17:39,234 INFO L290 TraceCheckUtils]: 4: Hoare triple {103#true} test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; {103#true} is VALID [2022-02-21 04:17:39,234 INFO L290 TraceCheckUtils]: 5: Hoare triple {103#true} assume !(0 != test_~tmp___0~0#1); {103#true} is VALID [2022-02-21 04:17:39,234 INFO L290 TraceCheckUtils]: 6: Hoare triple {103#true} test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; {103#true} is VALID [2022-02-21 04:17:39,235 INFO L290 TraceCheckUtils]: 7: Hoare triple {103#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {105#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:39,236 INFO L290 TraceCheckUtils]: 8: Hoare triple {105#(<= 1 ~systemActive~0)} assume { :end_inline_startSystem } true; {105#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:39,237 INFO L290 TraceCheckUtils]: 9: Hoare triple {105#(<= 1 ~systemActive~0)} assume { :begin_inline_timeShift } true; {105#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:39,237 INFO L290 TraceCheckUtils]: 10: Hoare triple {105#(<= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {105#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:39,238 INFO L290 TraceCheckUtils]: 11: Hoare triple {105#(<= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {104#false} is VALID [2022-02-21 04:17:39,239 INFO L290 TraceCheckUtils]: 12: Hoare triple {104#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; {104#false} is VALID [2022-02-21 04:17:39,239 INFO L290 TraceCheckUtils]: 13: Hoare triple {104#false} __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; {104#false} is VALID [2022-02-21 04:17:39,239 INFO L290 TraceCheckUtils]: 14: Hoare triple {104#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); {104#false} is VALID [2022-02-21 04:17:39,239 INFO L290 TraceCheckUtils]: 15: Hoare triple {104#false} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {104#false} is VALID [2022-02-21 04:17:39,239 INFO L290 TraceCheckUtils]: 16: Hoare triple {104#false} assume { :end_inline_timeShift } true; {104#false} is VALID [2022-02-21 04:17:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:17:39,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:17:39,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728173430] [2022-02-21 04:17:39,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728173430] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:17:39,241 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:17:39,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 04:17:39,242 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121823679] [2022-02-21 04:17:39,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:39,248 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:17:39,248 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:39,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 04:17:39,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 04:17:39,277 INFO L87 Difference]: Start difference. First operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:39,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:39,401 INFO L93 Difference]: Finished difference Result 94 states and 117 transitions. [2022-02-21 04:17:39,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 04:17:39,403 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:39,418 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:17:39,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 117 transitions. [2022-02-21 04:17:39,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2022-02-21 04:17:39,451 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 84 states and 106 transitions. [2022-02-21 04:17:39,452 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2022-02-21 04:17:39,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 84 [2022-02-21 04:17:39,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 106 transitions. [2022-02-21 04:17:39,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:39,453 INFO L681 BuchiCegarLoop]: Abstraction has 84 states and 106 transitions. [2022-02-21 04:17:39,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 106 transitions. [2022-02-21 04:17:39,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-02-21 04:17:39,472 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:39,473 INFO L82 GeneralOperation]: Start isEquivalent. First operand 84 states and 106 transitions. Second operand has 84 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 83 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:39,474 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states and 106 transitions. Second operand has 84 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 83 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:39,475 INFO L87 Difference]: Start difference. First operand 84 states and 106 transitions. Second operand has 84 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 83 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:39,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:39,480 INFO L93 Difference]: Finished difference Result 84 states and 106 transitions. [2022-02-21 04:17:39,481 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2022-02-21 04:17:39,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:39,482 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:39,484 INFO L74 IsIncluded]: Start isIncluded. First operand has 84 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 83 states have internal predecessors, (106), 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 84 states and 106 transitions. [2022-02-21 04:17:39,485 INFO L87 Difference]: Start difference. First operand has 84 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 83 states have internal predecessors, (106), 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 84 states and 106 transitions. [2022-02-21 04:17:39,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:39,488 INFO L93 Difference]: Finished difference Result 84 states and 106 transitions. [2022-02-21 04:17:39,488 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2022-02-21 04:17:39,488 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:39,488 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:39,489 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:39,489 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:39,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 83 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2022-02-21 04:17:39,492 INFO L704 BuchiCegarLoop]: Abstraction has 84 states and 106 transitions. [2022-02-21 04:17:39,492 INFO L587 BuchiCegarLoop]: Abstraction has 84 states and 106 transitions. [2022-02-21 04:17:39,492 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:17:39,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 106 transitions. [2022-02-21 04:17:39,493 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2022-02-21 04:17:39,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:39,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:39,494 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:39,494 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:39,494 INFO L791 eck$LassoCheckResult]: Stem: 272#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(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 263#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 264#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 279#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 242#L83 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 243#L864 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 212#L841 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 207#L553-2 [2022-02-21 04:17:39,494 INFO L793 eck$LassoCheckResult]: Loop: 207#L553-2 assume !false; 208#L554 assume test_~splverifierCounter~0#1 < 4; 282#L555 test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 283#L563 assume !(0 != test_~tmp~3#1); 278#L563-2 test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 273#L573 assume !(0 != test_~tmp___0~0#1); 266#L573-2 test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 251#L583 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 252#L591 assume 0 != test_~tmp___1~0#1; 267#L591-2 assume { :begin_inline_timeShift } true; 254#L622 assume !(0 != ~pumpRunning~0); 210#L622-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 211#L654 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 249#L646-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 236#L654-1 assume { :end_inline_processEnvironment } true; 220#L629-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 221#L169 __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 281#L886 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); 237#L886-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 238#L639 assume { :end_inline_timeShift } true; 207#L553-2 [2022-02-21 04:17:39,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:39,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:17:39,495 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:39,496 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782224946] [2022-02-21 04:17:39,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:39,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:39,518 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:39,537 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:39,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:39,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1015444711, now seen corresponding path program 1 times [2022-02-21 04:17:39,538 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:39,538 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030792390] [2022-02-21 04:17:39,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:39,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:39,544 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:39,555 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:39,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:39,556 INFO L85 PathProgramCache]: Analyzing trace with hash -632553301, now seen corresponding path program 1 times [2022-02-21 04:17:39,557 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:39,557 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898625397] [2022-02-21 04:17:39,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:39,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:39,573 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:39,588 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:42,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:17:42 BoogieIcfgContainer [2022-02-21 04:17:42,229 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:17:42,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:17:42,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:17:42,230 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:17:42,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:38" (3/4) ... [2022-02-21 04:17:42,232 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:17:42,289 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:17:42,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:17:42,291 INFO L158 Benchmark]: Toolchain (without parser) took 4337.04ms. Allocated memory was 86.0MB in the beginning and 146.8MB in the end (delta: 60.8MB). Free memory was 51.1MB in the beginning and 72.4MB in the end (delta: -21.3MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2022-02-21 04:17:42,291 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 59.0MB in the beginning and 59.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:42,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.92ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 50.8MB in the beginning and 83.1MB in the end (delta: -32.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:17:42,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.79ms. Allocated memory is still 119.5MB. Free memory was 83.1MB in the beginning and 80.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:42,292 INFO L158 Benchmark]: Boogie Preprocessor took 22.49ms. Allocated memory is still 119.5MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:42,293 INFO L158 Benchmark]: RCFGBuilder took 382.33ms. Allocated memory is still 119.5MB. Free memory was 78.2MB in the beginning and 59.3MB in the end (delta: 18.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-02-21 04:17:42,293 INFO L158 Benchmark]: BuchiAutomizer took 3397.98ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 59.3MB in the beginning and 74.5MB in the end (delta: -15.1MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2022-02-21 04:17:42,293 INFO L158 Benchmark]: Witness Printer took 60.42ms. Allocated memory is still 146.8MB. Free memory was 74.5MB in the beginning and 72.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:42,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory was 59.0MB in the beginning and 59.0MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.92ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 50.8MB in the beginning and 83.1MB in the end (delta: -32.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.79ms. Allocated memory is still 119.5MB. Free memory was 83.1MB in the beginning and 80.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.49ms. Allocated memory is still 119.5MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 382.33ms. Allocated memory is still 119.5MB. Free memory was 78.2MB in the beginning and 59.3MB in the end (delta: 18.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 3397.98ms. Allocated memory was 119.5MB in the beginning and 146.8MB in the end (delta: 27.3MB). Free memory was 59.3MB in the beginning and 74.5MB in the end (delta: -15.1MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Witness Printer took 60.42ms. Allocated memory is still 146.8MB. Free memory was 74.5MB in the beginning and 72.4MB in the end (delta: 2.1MB). There was no memory consumed. 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 3 locations. The remainder module has 84 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 84 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 114 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 553]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@412bb610=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5079b980=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@629c4cdf=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64304c2b=0, NULL=1, tmp___0=0, methaneLevelCritical=0, tmp=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e52310c=29, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68624493=0, tmp___2=0, tmp=1, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@329bbdde=0, \result=0, tmp=0, head=0, retValue_acc=1, \result=1, tmp___1=29, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60210a14=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 553]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L343] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L614] int pumpRunning = 0; [L615] int systemActive = 1; [L782] int cleanupTimeShifts = 4; [L855] int retValue_acc ; [L856] int tmp ; [L860] FCALL select_helpers() [L861] FCALL select_features() [L862] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L862] RET, EXPR valid_product() [L862] tmp = valid_product() [L864] COND TRUE \read(tmp) [L866] FCALL setup() [L867] CALL runTest() [L849] CALL test() [L544] int splverifierCounter ; [L545] int tmp ; [L546] int tmp___0 ; [L547] int tmp___1 ; [L548] int tmp___2 ; [L551] splverifierCounter = 0 Loop: [L553] COND TRUE 1 [L555] COND TRUE splverifierCounter < 4 [L561] tmp = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp)) [L571] tmp___0 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___0)) [L581] tmp___2 = __VERIFIER_nondet_int() [L583] COND FALSE !(\read(tmp___2)) [L589] tmp___1 = __VERIFIER_nondet_int() [L591] COND TRUE \read(tmp___1) [L598] CALL timeShift() [L622] COND FALSE !(\read(pumpRunning)) [L629] COND TRUE \read(systemActive) [L631] CALL processEnvironment() [L651] int tmp ; [L654] COND FALSE !(\read(pumpRunning)) [L669] FCALL processEnvironment__wrappee__methaneQuery() [L631] RET processEnvironment() [L637] CALL __utac_acc__Specification4_spec__1() [L879] int tmp ; [L880] int tmp___0 ; [L884] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L884] RET, EXPR getWaterLevel() [L884] tmp = getWaterLevel() [L886] COND FALSE !(tmp == 0) [L637] RET __utac_acc__Specification4_spec__1() [L598] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:17:42,337 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)