./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product02.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_product02.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 22cc4a601f3417d8b2d689199409c31ee52b154c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 15:59:39,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:59:39,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:59:39,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:59:39,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:59:39,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:59:39,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:59:39,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:59:39,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:59:39,436 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:59:39,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:59:39,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:59:39,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:59:39,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:59:39,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:59:39,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:59:39,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:59:39,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:59:39,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:59:39,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:59:39,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:59:39,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:59:39,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:59:39,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:59:39,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:59:39,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:59:39,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:59:39,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:59:39,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:59:39,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:59:39,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:59:39,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:59:39,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:59:39,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:59:39,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:59:39,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:59:39,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:59:39,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:59:39,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:59:39,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:59:39,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:59:39,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:59:39,527 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:59:39,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:59:39,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:59:39,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:59:39,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:59:39,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:59:39,531 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:59:39,531 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:59:39,531 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:59:39,531 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:59:39,532 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:59:39,532 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:59:39,532 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:59:39,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:59:39,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:59:39,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:59:39,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:59:39,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:59:39,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:59:39,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:59:39,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:59:39,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:59:39,534 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:59:39,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:59:39,534 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:59:39,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:59:39,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:59:39,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:59:39,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:59:39,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:59:39,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:59:39,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:59:39,536 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:59:39,536 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22cc4a601f3417d8b2d689199409c31ee52b154c [2021-08-27 15:59:39,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:59:39,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:59:39,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:59:39,831 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:59:39,832 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:59:39,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2021-08-27 15:59:39,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173c5d846/c9ee27491b1241118f39d219212cce30/FLAG585bc3830 [2021-08-27 15:59:40,300 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:59:40,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2021-08-27 15:59:40,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173c5d846/c9ee27491b1241118f39d219212cce30/FLAG585bc3830 [2021-08-27 15:59:40,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/173c5d846/c9ee27491b1241118f39d219212cce30 [2021-08-27 15:59:40,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:59:40,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:59:40,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:59:40,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:59:40,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:59:40,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:59:40" (1/1) ... [2021-08-27 15:59:40,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3b7c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40, skipping insertion in model container [2021-08-27 15:59:40,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:59:40" (1/1) ... [2021-08-27 15:59:40,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:59:40,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:59:40,591 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_product02.cil.c[16850,16863] [2021-08-27 15:59:40,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:59:40,608 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:59:40,661 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_product02.cil.c[16850,16863] [2021-08-27 15:59:40,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:59:40,681 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:59:40,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40 WrapperNode [2021-08-27 15:59:40,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:59:40,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:59:40,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:59:40,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:59:40,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40" (1/1) ... [2021-08-27 15:59:40,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40" (1/1) ... [2021-08-27 15:59:40,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:59:40,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:59:40,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:59:40,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:59:40,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40" (1/1) ... [2021-08-27 15:59:40,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40" (1/1) ... [2021-08-27 15:59:40,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40" (1/1) ... [2021-08-27 15:59:40,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40" (1/1) ... [2021-08-27 15:59:40,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40" (1/1) ... [2021-08-27 15:59:40,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40" (1/1) ... [2021-08-27 15:59:40,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40" (1/1) ... [2021-08-27 15:59:40,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:59:40,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:59:40,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:59:40,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:59:40,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40" (1/1) ... [2021-08-27 15:59:40,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:59:40,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:59:40,858 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 15:59:40,878 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 15:59:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:59:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:59:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:59:40,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:59:41,513 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:59:41,513 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-08-27 15:59:41,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:59:41 BoogieIcfgContainer [2021-08-27 15:59:41,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:59:41,515 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:59:41,515 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:59:41,518 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:59:41,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:59:41,518 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:59:40" (1/3) ... [2021-08-27 15:59:41,519 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46b41ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:59:41, skipping insertion in model container [2021-08-27 15:59:41,519 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:59:41,519 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:59:40" (2/3) ... [2021-08-27 15:59:41,519 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46b41ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:59:41, skipping insertion in model container [2021-08-27 15:59:41,519 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:59:41,519 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:59:41" (3/3) ... [2021-08-27 15:59:41,520 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2021-08-27 15:59:41,559 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:59:41,559 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:59:41,559 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:59:41,559 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:59:41,559 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:59:41,559 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:59:41,559 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:59:41,559 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:59:41,571 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 15:59:41,587 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-08-27 15:59:41,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:59:41,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:59:41,592 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:59:41,592 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:59:41,592 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:59:41,592 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 15:59:41,599 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-08-27 15:59:41,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:59:41,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:59:41,600 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:59:41,600 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:59:41,606 INFO L791 eck$LassoCheckResult]: Stem: 44#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(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);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(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 30#L-1true havoc main_#res;havoc main_#t~ret55, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 43#L67true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 53#L75true main_#t~ret55 := valid_product_#res;main_~tmp~4 := main_#t~ret55;havoc main_#t~ret55; 20#L659true assume 0 != main_~tmp~4; 19#L634true ~methAndRunningLastTime~0 := 0; 52#L174true havoc test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 37#L185-1true [2021-08-27 15:59:41,607 INFO L793 eck$LassoCheckResult]: Loop: 37#L185-1true assume !false; 45#L802true assume test_~splverifierCounter~0 < 4; 14#L803true test_~tmp~5 := test_#t~nondet73;havoc test_#t~nondet73; 4#L811true assume !(0 != test_~tmp~5); 17#L811-1true test_~tmp___0~1 := test_#t~nondet74;havoc test_#t~nondet74; 50#L821true assume !(0 != test_~tmp___0~1); 60#L821-1true test_~tmp___2~0 := test_#t~nondet75;havoc test_#t~nondet75; 15#L831true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 55#L839-2true assume !(0 != ~pumpRunning~0); 7#L683true assume 0 != ~systemActive~0; 47#L690true havoc __utac_acc__Specification2_spec__2_#t~ret18, __utac_acc__Specification2_spec__2_#t~ret19, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 38#L129true __utac_acc__Specification2_spec__2_#t~ret18 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret18;havoc __utac_acc__Specification2_spec__2_#t~ret18; 22#L185true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 37#L185-1true [2021-08-27 15:59:41,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:59:41,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-27 15:59:41,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:59:41,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751051962] [2021-08-27 15:59:41,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:59:41,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:59:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:59:41,788 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:59:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:59:41,897 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:59:41,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:59:41,905 INFO L82 PathProgramCache]: Analyzing trace with hash 2663790, now seen corresponding path program 1 times [2021-08-27 15:59:41,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:59:41,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155468085] [2021-08-27 15:59:41,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:59:41,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:59:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:59:41,915 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:59:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:59:41,923 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:59:41,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:59:41,924 INFO L82 PathProgramCache]: Analyzing trace with hash 835960296, now seen corresponding path program 1 times [2021-08-27 15:59:41,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:59:41,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504394402] [2021-08-27 15:59:41,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:59:41,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:59:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:59:41,975 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:59:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:59:42,050 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:00:22,853 WARN L207 SmtUtils]: Spent 40.65 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-27 16:01:03,638 WARN L207 SmtUtils]: Spent 20.57 s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-27 16:01:03,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 04:01:03 BoogieIcfgContainer [2021-08-27 16:01:03,747 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 16:01:03,748 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 16:01:03,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 16:01:03,759 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 16:01:03,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:59:41" (3/4) ... [2021-08-27 16:01:03,762 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-08-27 16:01:03,807 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 16:01:03,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 16:01:03,816 INFO L168 Benchmark]: Toolchain (without parser) took 83490.13 ms. Allocated memory was 65.0 MB in the beginning and 119.5 MB in the end (delta: 54.5 MB). Free memory was 45.4 MB in the beginning and 77.5 MB in the end (delta: -32.1 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:03,817 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 65.0 MB. Free memory was 47.6 MB in the beginning and 47.5 MB in the end (delta: 61.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 16:01:03,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.38 ms. Allocated memory is still 65.0 MB. Free memory was 45.2 MB in the beginning and 41.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:03,823 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 65.0 MB. Free memory was 41.1 MB in the beginning and 38.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:03,823 INFO L168 Benchmark]: Boogie Preprocessor took 30.60 ms. Allocated memory is still 65.0 MB. Free memory was 38.5 MB in the beginning and 36.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:03,823 INFO L168 Benchmark]: RCFGBuilder took 726.84 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 36.6 MB in the beginning and 46.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:03,824 INFO L168 Benchmark]: BuchiAutomizer took 82232.09 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 46.2 MB in the beginning and 79.6 MB in the end (delta: -33.3 MB). Peak memory consumption was 52.6 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:03,824 INFO L168 Benchmark]: Witness Printer took 65.43 ms. Allocated memory is still 119.5 MB. Free memory was 79.6 MB in the beginning and 77.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:01:03,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 65.0 MB. Free memory was 47.6 MB in the beginning and 47.5 MB in the end (delta: 61.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 357.38 ms. Allocated memory is still 65.0 MB. Free memory was 45.2 MB in the beginning and 41.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.08 ms. Allocated memory is still 65.0 MB. Free memory was 41.1 MB in the beginning and 38.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.60 ms. Allocated memory is still 65.0 MB. Free memory was 38.5 MB in the beginning and 36.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 726.84 ms. Allocated memory was 65.0 MB in the beginning and 88.1 MB in the end (delta: 23.1 MB). Free memory was 36.6 MB in the beginning and 46.2 MB in the end (delta: -9.6 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 82232.09 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 46.2 MB in the beginning and 79.6 MB in the end (delta: -33.3 MB). Peak memory consumption was 52.6 MB. Max. memory is 16.1 GB. * Witness Printer took 65.43 ms. Allocated memory is still 119.5 MB. Free memory was 79.6 MB in the beginning and 77.5 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 82.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 82.1s. 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: 801]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1779} State at position 1 is {NULL=1786, NULL=0, NULL=0, NULL=0, NULL=0, NULL=1779, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=26267, NULL=0, NULL=0, NULL=26255, NULL=1780, NULL=26259, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e951019=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5572c597=0, tmp=0, NULL=26253, NULL=0, NULL=0, NULL=26261, tmp___1=0, NULL=0, NULL=0, NULL=1785, cleanupTimeShifts=4, NULL=26266, NULL=26264, NULL=1784, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=26260, NULL=0, retValue_acc=0, NULL=26252, NULL=0, NULL=0, NULL=26257, NULL=0, NULL=26269, \result=1, head=0, pumpRunning=0, NULL=26251, \result=0, NULL=26262, tmp=1, NULL=26256, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49492d77=0, NULL=1781, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cd02de4=69, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11308054=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a1efc6e=0, NULL=0, NULL=1782, retValue_acc=1, tmp___2=69, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42095830=0, methAndRunningLastTime=0, \result=0, NULL=1783, NULL=26265, NULL=26258, head=0, NULL=0, tmp=0, NULL=26268, NULL=26263, NULL=0, NULL=0, NULL=26254, NULL=6392, NULL=0, NULL=6393} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L86] int waterLevel = 1; [L87] int methaneLevelCritical = 0; [L168] int methAndRunningLastTime ; [L376] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L573] int cleanupTimeShifts = 4; [L676] int pumpRunning = 0; [L677] int systemActive = 1; [L650] int retValue_acc ; [L651] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L657] tmp = valid_product() [L659] COND TRUE \read(tmp) [L173] methAndRunningLastTime = 0 [L792] int splverifierCounter ; [L793] int tmp ; [L794] int tmp___0 ; [L795] int tmp___1 ; [L796] int tmp___2 ; [L799] splverifierCounter = 0 Loop: [L801] COND TRUE 1 [L803] COND TRUE splverifierCounter < 4 [L809] tmp = __VERIFIER_nondet_int() [L811] COND FALSE !(\read(tmp)) [L819] tmp___0 = __VERIFIER_nondet_int() [L821] COND FALSE !(\read(tmp___0)) [L829] tmp___2 = __VERIFIER_nondet_int() [L831] COND TRUE \read(tmp___2) [L786] systemActive = 1 [L683] COND FALSE !(\read(pumpRunning)) [L690] COND TRUE \read(systemActive) [L178] int tmp ; [L179] int tmp___0 ; [L125] int retValue_acc ; [L128] retValue_acc = methaneLevelCritical [L129] return (retValue_acc); [L183] tmp = isMethaneLevelCritical() [L185] COND FALSE !(\read(tmp)) [L201] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-08-27 16:01:03,889 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...