./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product01.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_spec2_product01.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 b05c68c7cd77b199dd3080e2ac6975aaa635405f 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Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 15:59:33,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:59:33,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:59:33,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:59:33,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:59:33,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:59:33,971 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:59:33,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:59:33,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:59:33,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:59:33,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:59:33,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:59:33,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:59:33,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:59:33,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:59:33,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:59:33,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:59:33,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:59:33,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:59:33,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:59:34,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:59:34,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:59:34,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:59:34,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:59:34,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:59:34,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:59:34,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:59:34,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:59:34,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:59:34,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:59:34,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:59:34,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:59:34,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:59:34,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:59:34,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:59:34,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:59:34,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:59:34,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:59:34,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:59:34,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:59:34,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:59:34,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:59:34,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:59:34,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:59:34,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:59:34,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:59:34,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:59:34,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:59:34,050 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:59:34,050 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:59:34,050 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:59:34,050 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:59:34,051 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:59:34,051 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:59:34,051 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:59:34,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:59:34,052 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:59:34,052 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:59:34,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:59:34,052 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:59:34,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:59:34,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:59:34,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:59:34,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:59:34,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:59:34,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:59:34,053 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:59:34,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:59:34,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:59:34,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:59:34,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:59:34,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:59:34,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:59:34,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:59:34,055 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:59:34,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b05c68c7cd77b199dd3080e2ac6975aaa635405f [2021-08-27 15:59:34,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:59:34,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:59:34,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:59:34,320 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:59:34,320 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:59:34,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2021-08-27 15:59:34,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef17632cd/34108f3ac0b846fdb59e54c8484a6845/FLAG403332c1e [2021-08-27 15:59:34,734 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:59:34,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2021-08-27 15:59:34,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef17632cd/34108f3ac0b846fdb59e54c8484a6845/FLAG403332c1e [2021-08-27 15:59:35,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef17632cd/34108f3ac0b846fdb59e54c8484a6845 [2021-08-27 15:59:35,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:59:35,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:59:35,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:59:35,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:59:35,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:59:35,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:59:35" (1/1) ... [2021-08-27 15:59:35,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f92448f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35, skipping insertion in model container [2021-08-27 15:59:35,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:59:35" (1/1) ... [2021-08-27 15:59:35,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:59:35,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:59:35,316 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_spec2_product01.cil.c[16794,16807] [2021-08-27 15:59:35,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:59:35,329 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:59:35,400 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_spec2_product01.cil.c[16794,16807] [2021-08-27 15:59:35,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:59:35,427 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:59:35,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35 WrapperNode [2021-08-27 15:59:35,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:59:35,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:59:35,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:59:35,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:59:35,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35" (1/1) ... [2021-08-27 15:59:35,458 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35" (1/1) ... [2021-08-27 15:59:35,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:59:35,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:59:35,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:59:35,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:59:35,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35" (1/1) ... [2021-08-27 15:59:35,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35" (1/1) ... [2021-08-27 15:59:35,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35" (1/1) ... [2021-08-27 15:59:35,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35" (1/1) ... [2021-08-27 15:59:35,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35" (1/1) ... [2021-08-27 15:59:35,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35" (1/1) ... [2021-08-27 15:59:35,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35" (1/1) ... [2021-08-27 15:59:35,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:59:35,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:59:35,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:59:35,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:59:35,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35" (1/1) ... [2021-08-27 15:59:35,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:59:35,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:59:35,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:59:35,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 15:59:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:59:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:59:35,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:59:35,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:59:36,172 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:59:36,173 INFO L299 CfgBuilder]: Removed 68 assume(true) statements. [2021-08-27 15:59:36,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:59:36 BoogieIcfgContainer [2021-08-27 15:59:36,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:59:36,175 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:59:36,175 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:59:36,178 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:59:36,179 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:59:36,179 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:59:35" (1/3) ... [2021-08-27 15:59:36,180 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e764f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:59:36, skipping insertion in model container [2021-08-27 15:59:36,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:59:36,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:35" (2/3) ... [2021-08-27 15:59:36,180 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e764f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:59:36, skipping insertion in model container [2021-08-27 15:59:36,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:59:36,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:59:36" (3/3) ... [2021-08-27 15:59:36,181 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2021-08-27 15:59:36,220 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:59:36,220 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:59:36,221 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:59:36,221 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:59:36,221 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:59:36,221 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:59:36,221 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:59:36,221 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:59:36,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:59:36,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-08-27 15:59:36,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:59:36,247 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:59:36,252 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:59:36,252 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:59:36,252 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:59:36,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 58 states, 57 states have (on average 1.543859649122807) internal successors, (88), 57 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:59:36,255 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-08-27 15:59:36,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:59:36,255 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:59:36,256 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:59:36,256 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:59:36,259 INFO L791 eck$LassoCheckResult]: Stem: 46#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~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(77, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(101, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(116, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(104, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string72.base, #t~string72.offset, 1);call write~init~int(82, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(73, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(84, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 4 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(75, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 37#L-1true havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 20#L251true havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 4#L259true main_#t~ret29 := valid_product_#res;main_~tmp~1 := main_#t~ret29;havoc main_#t~ret29; 44#L348true assume 0 != main_~tmp~1; 7#L323true ~methAndRunningLastTime~0 := 0; 33#L369true havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 12#L380-1true [2021-08-27 15:59:36,259 INFO L793 eck$LassoCheckResult]: Loop: 12#L380-1true assume !false; 38#L172true assume test_~splverifierCounter~0 < 4; 52#L173true test_~tmp~0 := test_#t~nondet24;havoc test_#t~nondet24; 29#L181true assume !(0 != test_~tmp~0); 57#L181-1true test_~tmp___0~0 := test_#t~nondet25;havoc test_#t~nondet25; 18#L191true assume !(0 != test_~tmp___0~0); 39#L191-1true test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 56#L201true assume 0 != test_~tmp___2~0; 25#L207-2true assume !(0 != ~pumpRunning~0); 35#L58true assume 0 != ~systemActive~0; 60#L65true havoc __utac_acc__Specification2_spec__2_#t~ret30, __utac_acc__Specification2_spec__2_#t~ret31, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 17#L812true __utac_acc__Specification2_spec__2_#t~ret30 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret30;havoc __utac_acc__Specification2_spec__2_#t~ret30; 8#L380true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 12#L380-1true [2021-08-27 15:59:36,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:59:36,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-27 15:59:36,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:59:36,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055626737] [2021-08-27 15:59:36,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:59:36,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:59:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:59:36,392 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:59:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:59:36,464 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:59:36,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:59:36,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1709485, now seen corresponding path program 1 times [2021-08-27 15:59:36,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:59:36,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828457700] [2021-08-27 15:59:36,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:59:36,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:59:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:59:36,471 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:59:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:59:36,476 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:59:36,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:59:36,478 INFO L82 PathProgramCache]: Analyzing trace with hash 835005991, now seen corresponding path program 1 times [2021-08-27 15:59:36,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:59:36,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096111283] [2021-08-27 15:59:36,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:59:36,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:59:36,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:59:36,519 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:59:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:59:36,569 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:00:24,123 WARN L207 SmtUtils]: Spent 47.39 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-27 16:01:09,313 WARN L207 SmtUtils]: Spent 23.44 s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-27 16:01:09,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 04:01:09 BoogieIcfgContainer [2021-08-27 16:01:09,431 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 16:01:09,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 16:01:09,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 16:01:09,431 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 16:01:09,432 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:59:36" (3/4) ... [2021-08-27 16:01:09,433 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-08-27 16:01:09,464 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 16:01:09,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 16:01:09,466 INFO L168 Benchmark]: Toolchain (without parser) took 94363.03 ms. Allocated memory was 58.7 MB in the beginning and 102.8 MB in the end (delta: 44.0 MB). Free memory was 42.6 MB in the beginning and 74.7 MB in the end (delta: -32.1 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:09,466 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 46.1 MB. Free memory was 28.3 MB in the beginning and 28.3 MB in the end (delta: 45.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 16:01:09,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.65 ms. Allocated memory is still 58.7 MB. Free memory was 42.3 MB in the beginning and 35.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:09,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.66 ms. Allocated memory is still 58.7 MB. Free memory was 35.7 MB in the beginning and 33.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:09,467 INFO L168 Benchmark]: Boogie Preprocessor took 29.57 ms. Allocated memory is still 58.7 MB. Free memory was 33.1 MB in the beginning and 31.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:09,468 INFO L168 Benchmark]: RCFGBuilder took 646.16 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 31.1 MB in the beginning and 46.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:09,468 INFO L168 Benchmark]: BuchiAutomizer took 93255.53 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 45.8 MB in the beginning and 76.8 MB in the end (delta: -30.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:09,469 INFO L168 Benchmark]: Witness Printer took 33.64 ms. Allocated memory is still 102.8 MB. Free memory was 76.8 MB in the beginning and 74.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:09,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 46.1 MB. Free memory was 28.3 MB in the beginning and 28.3 MB in the end (delta: 45.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 324.65 ms. Allocated memory is still 58.7 MB. Free memory was 42.3 MB in the beginning and 35.9 MB in the end (delta: 6.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.66 ms. Allocated memory is still 58.7 MB. Free memory was 35.7 MB in the beginning and 33.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.57 ms. Allocated memory is still 58.7 MB. Free memory was 33.1 MB in the beginning and 31.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 646.16 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 31.1 MB in the beginning and 46.3 MB in the end (delta: -15.2 MB). Peak memory consumption was 10.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 93255.53 ms. Allocated memory was 79.7 MB in the beginning and 102.8 MB in the end (delta: 23.1 MB). Free memory was 45.8 MB in the beginning and 76.8 MB in the end (delta: -30.9 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. * Witness Printer took 33.64 ms. Allocated memory is still 102.8 MB. Free memory was 76.8 MB in the beginning and 74.7 MB in the end (delta: 2.1 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 93.2s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 93.1s. 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: 171]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=12134} State at position 1 is {NULL=12139, NULL=0, NULL=0, NULL=0, NULL=12159, NULL=0, NULL=12134, retValue_acc=0, NULL=0, NULL=0, NULL=12144, NULL=12158, NULL=12161, NULL=12154, methaneLevelCritical=0, NULL=0, NULL=12145, tmp___1=0, NULL=12135, NULL=0, NULL=0, cleanupTimeShifts=4, tmp=0, NULL=12142, NULL=12148, NULL=12146, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=12152, NULL=0, NULL=0, NULL=12153, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d607e4d=0, \result=0, NULL=12151, NULL=12149, NULL=12164, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4983e55e=0, NULL=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@198e24aa=70, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ff75aea=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38e09e1f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75be9867=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46115e55=0, NULL=0, NULL=0, retValue_acc=1, NULL=12136, NULL=0, NULL=0, NULL=12150, NULL=0, tmp___2=70, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=12156, NULL=12143, NULL=12160, NULL=12155, NULL=12141, head=0, NULL=12163, NULL=0, NULL=0, NULL=12140, NULL=12147, NULL=12138, tmp=0, NULL=12162} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int pumpRunning = 0; [L51] int systemActive = 1; [L264] int cleanupTimeShifts = 4; [L363] int methAndRunningLastTime ; [L571] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L769] int waterLevel = 1; [L770] int methaneLevelCritical = 0; [L339] int retValue_acc ; [L340] int tmp ; [L255] int retValue_acc ; [L258] retValue_acc = 1 [L259] return (retValue_acc); [L346] tmp = valid_product() [L348] COND TRUE \read(tmp) [L368] methAndRunningLastTime = 0 [L162] int splverifierCounter ; [L163] int tmp ; [L164] int tmp___0 ; [L165] int tmp___1 ; [L166] int tmp___2 ; [L169] splverifierCounter = 0 Loop: [L171] COND TRUE 1 [L173] COND TRUE splverifierCounter < 4 [L179] tmp = __VERIFIER_nondet_int() [L181] COND FALSE !(\read(tmp)) [L189] tmp___0 = __VERIFIER_nondet_int() [L191] COND FALSE !(\read(tmp___0)) [L199] tmp___2 = __VERIFIER_nondet_int() [L201] COND TRUE \read(tmp___2) [L58] COND FALSE !(\read(pumpRunning)) [L65] COND TRUE \read(systemActive) [L373] int tmp ; [L374] int tmp___0 ; [L808] int retValue_acc ; [L811] retValue_acc = methaneLevelCritical [L812] return (retValue_acc); [L378] tmp = isMethaneLevelCritical() [L380] COND FALSE !(\read(tmp)) [L396] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-08-27 16:01:09,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...