./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 92b6e9c68c74814d170d81479fd82dff664bcc07 ..................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 16:14:36,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 16:14:36,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 16:14:36,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 16:14:36,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 16:14:36,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 16:14:36,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 16:14:36,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 16:14:36,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 16:14:36,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 16:14:36,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 16:14:36,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 16:14:36,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 16:14:36,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 16:14:36,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 16:14:36,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 16:14:36,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 16:14:36,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 16:14:36,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 16:14:36,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 16:14:36,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 16:14:36,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 16:14:36,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 16:14:36,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 16:14:36,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 16:14:36,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 16:14:36,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 16:14:36,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 16:14:36,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 16:14:36,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 16:14:36,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 16:14:36,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 16:14:36,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 16:14:36,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 16:14:36,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 16:14:36,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 16:14:36,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 16:14:36,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 16:14:36,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 16:14:36,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 16:14:36,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 16:14:36,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 16:14:36,724 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 16:14:36,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 16:14:36,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 16:14:36,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 16:14:36,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 16:14:36,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 16:14:36,727 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 16:14:36,727 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 16:14:36,727 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 16:14:36,727 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 16:14:36,728 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 16:14:36,728 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 16:14:36,728 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 16:14:36,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 16:14:36,728 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 16:14:36,728 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 16:14:36,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 16:14:36,728 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 16:14:36,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 16:14:36,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 16:14:36,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 16:14:36,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 16:14:36,729 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 16:14:36,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 16:14:36,729 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 16:14:36,729 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 16:14:36,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 16:14:36,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 16:14:36,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 16:14:36,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 16:14:36,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 16:14:36,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 16:14:36,730 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 16:14:36,731 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92b6e9c68c74814d170d81479fd82dff664bcc07 [2021-08-27 16:14:36,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 16:14:36,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 16:14:36,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 16:14:36,989 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 16:14:36,989 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 16:14:36,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2021-08-27 16:14:37,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca11cc459/d8a5148ccfa947e38192eb4ac854490c/FLAG3089cf302 [2021-08-27 16:14:37,425 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 16:14:37,426 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c [2021-08-27 16:14:37,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca11cc459/d8a5148ccfa947e38192eb4ac854490c/FLAG3089cf302 [2021-08-27 16:14:37,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca11cc459/d8a5148ccfa947e38192eb4ac854490c [2021-08-27 16:14:37,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 16:14:37,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 16:14:37,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 16:14:37,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 16:14:37,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 16:14:37,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:14:37" (1/1) ... [2021-08-27 16:14:37,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ecf963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37, skipping insertion in model container [2021-08-27 16:14:37,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:14:37" (1/1) ... [2021-08-27 16:14:37,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 16:14:37,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 16:14:37,682 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c[10968,10981] [2021-08-27 16:14:37,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 16:14:37,734 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 16:14:37,770 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product09.cil.c[10968,10981] [2021-08-27 16:14:37,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 16:14:37,792 INFO L208 MainTranslator]: Completed translation [2021-08-27 16:14:37,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37 WrapperNode [2021-08-27 16:14:37,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 16:14:37,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 16:14:37,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 16:14:37,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 16:14:37,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37" (1/1) ... [2021-08-27 16:14:37,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37" (1/1) ... [2021-08-27 16:14:37,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 16:14:37,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 16:14:37,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 16:14:37,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 16:14:37,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37" (1/1) ... [2021-08-27 16:14:37,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37" (1/1) ... [2021-08-27 16:14:37,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37" (1/1) ... [2021-08-27 16:14:37,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37" (1/1) ... [2021-08-27 16:14:37,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37" (1/1) ... [2021-08-27 16:14:37,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37" (1/1) ... [2021-08-27 16:14:37,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37" (1/1) ... [2021-08-27 16:14:37,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 16:14:37,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 16:14:37,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 16:14:37,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 16:14:37,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37" (1/1) ... [2021-08-27 16:14:37,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:14:37,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:14:37,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 16:14:37,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 16:14:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 16:14:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 16:14:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 16:14:37,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 16:14:38,520 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 16:14:38,520 INFO L299 CfgBuilder]: Removed 66 assume(true) statements. [2021-08-27 16:14:38,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:14:38 BoogieIcfgContainer [2021-08-27 16:14:38,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 16:14:38,523 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 16:14:38,524 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 16:14:38,526 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 16:14:38,527 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:14:38,527 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 04:14:37" (1/3) ... [2021-08-27 16:14:38,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53d1435f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 04:14:38, skipping insertion in model container [2021-08-27 16:14:38,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:14:38,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:14:37" (2/3) ... [2021-08-27 16:14:38,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53d1435f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 04:14:38, skipping insertion in model container [2021-08-27 16:14:38,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:14:38,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:14:38" (3/3) ... [2021-08-27 16:14:38,529 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2021-08-27 16:14:38,561 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 16:14:38,562 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 16:14:38,562 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 16:14:38,562 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 16:14:38,562 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 16:14:38,562 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 16:14:38,562 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 16:14:38,562 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 16:14:38,574 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 16:14:38,589 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-08-27 16:14:38,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:14:38,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:14:38,594 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 16:14:38,594 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:14:38,595 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 16:14:38,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 54 states, 53 states have (on average 1.528301886792453) internal successors, (81), 53 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 16:14:38,601 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 33 [2021-08-27 16:14:38,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:14:38,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:14:38,602 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 16:14:38,602 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:14:38,609 INFO L791 eck$LassoCheckResult]: Stem: 42#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(77, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(101, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(116, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(104, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string49.base, #t~string49.offset, 1);call write~init~int(82, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(73, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(84, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 4 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(75, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 1 + #t~string53.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(13);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string67.base, #t~string67.offset, 1);call write~init~int(80, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(117, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(109, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(112, #t~string67.base, 4 + #t~string67.offset, 1);call write~init~int(58, #t~string67.base, 5 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 6 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(110, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(102, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 3 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string73.base, #t~string73.offset, 1);call write~init~int(32, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 29#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 25#L750true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 22#L758true main_#t~ret77 := valid_product_#res;main_~tmp~6 := main_#t~ret77;havoc main_#t~ret77; 40#L845true assume 0 != main_~tmp~6; 10#L822true havoc test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 53#L427-1true [2021-08-27 16:14:38,610 INFO L793 eck$LassoCheckResult]: Loop: 53#L427-1true assume !false; 37#L543true assume test_~splverifierCounter~0 < 4; 28#L544true test_~tmp~4 := test_#t~nondet54;havoc test_#t~nondet54; 32#L552true assume !(0 != test_~tmp~4); 9#L552-1true test_~tmp___0~1 := test_#t~nondet55;havoc test_#t~nondet55; 12#L562true assume !(0 != test_~tmp___0~1); 51#L562-1true test_~tmp___2~0 := test_#t~nondet56;havoc test_#t~nondet56; 26#L572true assume 0 != test_~tmp___2~0; 44#L578-2true assume !(0 != ~pumpRunning~0); 23#L607true assume 0 != ~systemActive~0; 27#L614true havoc __utac_acc__Specification4_spec__1_#t~ret42, __utac_acc__Specification4_spec__1_#t~ret43, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 4#L525true __utac_acc__Specification4_spec__1_#t~ret42 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret42;havoc __utac_acc__Specification4_spec__1_#t~ret42; 16#L427true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 53#L427-1true [2021-08-27 16:14:38,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:14:38,614 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-27 16:14:38,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:14:38,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699338898] [2021-08-27 16:14:38,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:14:38,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:14:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:14:38,757 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:14:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:14:38,869 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:14:38,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:14:38,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573531, now seen corresponding path program 1 times [2021-08-27 16:14:38,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:14:38,873 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907863873] [2021-08-27 16:14:38,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:14:38,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:14:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:14:38,879 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:14:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:14:38,892 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:14:38,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:14:38,893 INFO L82 PathProgramCache]: Analyzing trace with hash 31705407, now seen corresponding path program 1 times [2021-08-27 16:14:38,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:14:38,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010243815] [2021-08-27 16:14:38,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:14:38,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:14:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:14:38,931 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:14:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:14:38,968 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:15:20,064 WARN L207 SmtUtils]: Spent 40.92 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-27 16:16:01,041 WARN L207 SmtUtils]: Spent 20.50 s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-27 16:16:01,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 04:16:01 BoogieIcfgContainer [2021-08-27 16:16:01,154 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 16:16:01,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 16:16:01,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 16:16:01,154 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 16:16:01,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:14:38" (3/4) ... [2021-08-27 16:16:01,156 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-08-27 16:16:01,179 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 16:16:01,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 16:16:01,180 INFO L168 Benchmark]: Toolchain (without parser) took 83725.10 ms. Allocated memory was 48.2 MB in the beginning and 88.1 MB in the end (delta: 39.8 MB). Free memory was 24.3 MB in the beginning and 43.4 MB in the end (delta: -19.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2021-08-27 16:16:01,180 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 48.2 MB. Free memory was 30.7 MB in the beginning and 30.6 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 16:16:01,181 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.68 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 24.2 MB in the beginning and 47.7 MB in the end (delta: -23.5 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:16:01,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.17 ms. Allocated memory is still 71.3 MB. Free memory was 47.7 MB in the beginning and 45.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 16:16:01,181 INFO L168 Benchmark]: Boogie Preprocessor took 40.97 ms. Allocated memory is still 71.3 MB. Free memory was 45.0 MB in the beginning and 43.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 16:16:01,182 INFO L168 Benchmark]: RCFGBuilder took 619.09 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 43.1 MB in the beginning and 68.0 MB in the end (delta: -24.9 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-08-27 16:16:01,182 INFO L168 Benchmark]: BuchiAutomizer took 82630.38 ms. Allocated memory is still 88.1 MB. Free memory was 68.0 MB in the beginning and 46.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 54.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:16:01,182 INFO L168 Benchmark]: Witness Printer took 25.35 ms. Allocated memory is still 88.1 MB. Free memory was 46.5 MB in the beginning and 43.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:16:01,184 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 48.2 MB. Free memory was 30.7 MB in the beginning and 30.6 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 340.68 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 24.2 MB in the beginning and 47.7 MB in the end (delta: -23.5 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 63.17 ms. Allocated memory is still 71.3 MB. Free memory was 47.7 MB in the beginning and 45.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.97 ms. Allocated memory is still 71.3 MB. Free memory was 45.0 MB in the beginning and 43.1 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 619.09 ms. Allocated memory was 71.3 MB in the beginning and 88.1 MB in the end (delta: 16.8 MB). Free memory was 43.1 MB in the beginning and 68.0 MB in the end (delta: -24.9 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 82630.38 ms. Allocated memory is still 88.1 MB. Free memory was 68.0 MB in the beginning and 46.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 54.4 MB. Max. memory is 16.1 GB. * Witness Printer took 25.35 ms. Allocated memory is still 88.1 MB. Free memory was 46.5 MB in the beginning and 43.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 82.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 82.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 542]: 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 {NULL=0, NULL=0, NULL=0, NULL=1, NULL=33815, NULL=0, NULL=0, NULL=21722, NULL=33807, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e2880ff=0, methaneLevelCritical=0, NULL=21719, NULL=0, tmp=0, NULL=0, NULL=0, tmp___1=0, NULL=33816, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bf4fe1e=0, tmp___0=0, NULL=21724, NULL=33819, NULL=33810, cleanupTimeShifts=4, NULL=33818, NULL=33824, NULL=33812, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c9d36c0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5df5533f=0, NULL=33813, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=33820, \result=1, NULL=0, NULL=0, NULL=0, NULL=33825, NULL=0, NULL=33817, \result=1, head=0, pumpRunning=0, NULL=33823, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=33827, NULL=33811, NULL=21720, retValue_acc=1, NULL=0, tmp=1, NULL=21718, NULL=0, NULL=33821, tmp___2=50, NULL=0, retValue_acc=1, NULL=33826, tmp___0=0, NULL=21721, splverifierCounter=0, NULL=0, NULL=33809, NULL=33822, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bd7bb95=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63874f11=50, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7073d89d=0, head=0, NULL=0, NULL=0, NULL=21723, NULL=0, NULL=0, NULL=33808, NULL=33814} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L600] int pumpRunning = 0; [L601] int systemActive = 1; [L763] int cleanupTimeShifts = 4; [L836] int retValue_acc ; [L837] int tmp ; [L754] int retValue_acc ; [L757] retValue_acc = 1 [L758] return (retValue_acc); [L843] tmp = valid_product() [L845] COND TRUE \read(tmp) [L533] int splverifierCounter ; [L534] int tmp ; [L535] int tmp___0 ; [L536] int tmp___1 ; [L537] int tmp___2 ; [L540] splverifierCounter = 0 Loop: [L542] COND TRUE 1 [L544] COND TRUE splverifierCounter < 4 [L550] tmp = __VERIFIER_nondet_int() [L552] COND FALSE !(\read(tmp)) [L560] tmp___0 = __VERIFIER_nondet_int() [L562] COND FALSE !(\read(tmp___0)) [L570] tmp___2 = __VERIFIER_nondet_int() [L572] COND TRUE \read(tmp___2) [L607] COND FALSE !(\read(pumpRunning)) [L614] COND TRUE \read(systemActive) [L420] int tmp ; [L421] int tmp___0 ; [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] return (retValue_acc); [L425] tmp = getWaterLevel() [L427] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-08-27 16:16:01,218 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...