./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product12.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_product12.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 bca2abd19c2ac2f173d3c6ef1e3f4038a1780284 ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 16:00:55,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 16:00:55,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 16:00:55,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 16:00:55,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 16:00:55,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 16:00:55,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 16:00:55,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 16:00:55,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 16:00:55,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 16:00:55,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 16:00:55,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 16:00:55,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 16:00:55,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 16:00:55,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 16:00:55,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 16:00:55,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 16:00:55,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 16:00:55,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 16:00:55,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 16:00:55,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 16:00:55,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 16:00:55,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 16:00:55,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 16:00:55,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 16:00:55,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 16:00:55,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 16:00:55,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 16:00:55,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 16:00:55,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 16:00:55,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 16:00:55,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 16:00:55,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 16:00:55,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 16:00:55,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 16:00:55,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 16:00:55,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 16:00:55,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 16:00:55,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 16:00:55,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 16:00:55,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 16:00:55,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 16:00:55,843 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 16:00:55,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 16:00:55,843 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 16:00:55,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 16:00:55,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 16:00:55,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 16:00:55,846 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 16:00:55,846 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 16:00:55,846 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 16:00:55,847 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 16:00:55,847 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 16:00:55,848 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 16:00:55,848 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 16:00:55,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 16:00:55,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 16:00:55,848 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 16:00:55,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 16:00:55,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 16:00:55,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 16:00:55,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 16:00:55,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 16:00:55,853 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 16:00:55,853 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 16:00:55,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 16:00:55,853 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 16:00:55,854 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 16:00:55,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 16:00:55,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 16:00:55,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 16:00:55,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 16:00:55,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 16:00:55,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 16:00:55,856 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 16:00:55,856 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bca2abd19c2ac2f173d3c6ef1e3f4038a1780284 [2021-08-27 16:00:56,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 16:00:56,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 16:00:56,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 16:00:56,131 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 16:00:56,131 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 16:00:56,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2021-08-27 16:00:56,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48c3198f/06d1c8189bdc4dd6b94327c442c39160/FLAG59e167add [2021-08-27 16:00:56,560 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 16:00:56,562 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2021-08-27 16:00:56,573 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48c3198f/06d1c8189bdc4dd6b94327c442c39160/FLAG59e167add [2021-08-27 16:00:56,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48c3198f/06d1c8189bdc4dd6b94327c442c39160 [2021-08-27 16:00:56,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 16:00:56,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 16:00:56,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 16:00:56,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 16:00:56,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 16:00:56,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:00:56" (1/1) ... [2021-08-27 16:00:56,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636899e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:56, skipping insertion in model container [2021-08-27 16:00:56,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:00:56" (1/1) ... [2021-08-27 16:00:56,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 16:00:56,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 16:00:57,124 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_product12.cil.c[6479,6492] [2021-08-27 16:00:57,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 16:00:57,201 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 16:00:57,234 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_product12.cil.c[6479,6492] [2021-08-27 16:00:57,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 16:00:57,274 INFO L208 MainTranslator]: Completed translation [2021-08-27 16:00:57,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:57 WrapperNode [2021-08-27 16:00:57,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 16:00:57,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 16:00:57,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 16:00:57,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 16:00:57,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:57" (1/1) ... [2021-08-27 16:00:57,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:57" (1/1) ... [2021-08-27 16:00:57,324 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 16:00:57,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 16:00:57,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 16:00:57,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 16:00:57,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:57" (1/1) ... [2021-08-27 16:00:57,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:57" (1/1) ... [2021-08-27 16:00:57,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:57" (1/1) ... [2021-08-27 16:00:57,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:57" (1/1) ... [2021-08-27 16:00:57,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:57" (1/1) ... [2021-08-27 16:00:57,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:57" (1/1) ... [2021-08-27 16:00:57,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:57" (1/1) ... [2021-08-27 16:00:57,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 16:00:57,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 16:00:57,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 16:00:57,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 16:00:57,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:57" (1/1) ... [2021-08-27 16:00:57,379 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 16:00:57,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 16:00:57,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 16:00:57,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 16:00:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 16:00:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 16:00:57,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 16:00:57,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 16:00:57,981 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 16:00:57,981 INFO L299 CfgBuilder]: Removed 74 assume(true) statements. [2021-08-27 16:00:57,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:00:57 BoogieIcfgContainer [2021-08-27 16:00:57,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 16:00:57,984 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 16:00:57,984 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 16:00:57,986 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 16:00:57,987 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:00:57,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 04:00:56" (1/3) ... [2021-08-27 16:00:57,988 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35624287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 04:00:57, skipping insertion in model container [2021-08-27 16:00:57,988 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:00:57,988 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:57" (2/3) ... [2021-08-27 16:00:57,988 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35624287 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 04:00:57, skipping insertion in model container [2021-08-27 16:00:57,988 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 16:00:57,989 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:00:57" (3/3) ... [2021-08-27 16:00:57,989 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2021-08-27 16:00:58,019 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 16:00:58,019 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 16:00:58,020 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 16:00:58,020 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 16:00:58,020 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 16:00:58,020 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 16:00:58,020 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 16:00:58,020 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 16:00:58,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 16:00:58,041 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-08-27 16:00:58,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:00:58,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:00:58,046 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:00:58,046 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:00:58,046 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 16:00:58,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 16:00:58,063 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-08-27 16:00:58,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 16:00:58,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 16:00:58,065 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:00:58,065 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 16:00:58,071 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~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(13);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string35.base, #t~string35.offset, 1);call write~init~int(77, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(101, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(116, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(104, #t~string35.base, 4 + #t~string35.offset, 1);call write~init~int(58, #t~string35.base, 5 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 6 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string37.base, #t~string37.offset, 1);call write~init~int(82, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(73, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(84, #t~string37.base, 3 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 4 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string39.base, #t~string39.offset, 1);call write~init~int(75, #t~string39.base, 1 + #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 2 + #t~string39.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string41.base, #t~string41.offset, 1);call write~init~int(0, #t~string41.base, 1 + #t~string41.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 32#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 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; 57#L75true main_#t~ret77 := valid_product_#res;main_~tmp~6 := main_#t~ret77;havoc main_#t~ret77; 42#L890true assume 0 != main_~tmp~6; 10#L866true ~methAndRunningLastTime~0 := 0; 55#L318true havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, 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; 47#L329-1true [2021-08-27 16:00:58,072 INFO L793 eck$LassoCheckResult]: Loop: 47#L329-1true assume !false; 7#L97true assume test_~splverifierCounter~0 < 4; 29#L98true test_~tmp~0 := test_#t~nondet8;havoc test_#t~nondet8; 40#L106true assume !(0 != test_~tmp~0); 35#L106-1true test_~tmp___0~0 := test_#t~nondet9;havoc test_#t~nondet9; 24#L116true assume !(0 != test_~tmp___0~0); 25#L116-1true test_~tmp___2~0 := test_#t~nondet10;havoc test_#t~nondet10; 4#L126true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 39#L134-1true assume !(0 != ~pumpRunning~0); 62#L170true assume 0 != ~systemActive~0; 51#L177true 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~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 16#L395true __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; 28#L329true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 47#L329-1true [2021-08-27 16:00:58,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:00:58,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-27 16:00:58,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:00:58,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750170835] [2021-08-27 16:00:58,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:00:58,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:00:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:00:58,294 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:00:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:00:58,378 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:00:58,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:00:58,380 INFO L82 PathProgramCache]: Analyzing trace with hash 11252535, now seen corresponding path program 1 times [2021-08-27 16:00:58,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:00:58,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714150947] [2021-08-27 16:00:58,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:00:58,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:00:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:00:58,385 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:00:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:00:58,390 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:00:58,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 16:00:58,396 INFO L82 PathProgramCache]: Analyzing trace with hash 844549041, now seen corresponding path program 1 times [2021-08-27 16:00:58,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 16:00:58,396 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032267726] [2021-08-27 16:00:58,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 16:00:58,397 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 16:00:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:00:58,459 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 16:00:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 16:00:58,512 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 16:01:37,875 WARN L207 SmtUtils]: Spent 39.11 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-27 16:02:17,548 WARN L207 SmtUtils]: Spent 19.77 s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-27 16:02:17,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 04:02:17 BoogieIcfgContainer [2021-08-27 16:02:17,710 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 16:02:17,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 16:02:17,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 16:02:17,711 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 16:02:17,711 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:00:57" (3/4) ... [2021-08-27 16:02:17,714 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-08-27 16:02:17,803 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 16:02:17,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 16:02:17,804 INFO L168 Benchmark]: Toolchain (without parser) took 80859.94 ms. Allocated memory was 52.4 MB in the beginning and 75.5 MB in the end (delta: 23.1 MB). Free memory was 29.0 MB in the beginning and 24.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:02:17,810 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.8 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 16:02:17,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.51 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.8 MB in the beginning and 41.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:02:17,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.55 ms. Allocated memory is still 62.9 MB. Free memory was 41.1 MB in the beginning and 38.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:02:17,811 INFO L168 Benchmark]: Boogie Preprocessor took 47.31 ms. Allocated memory is still 62.9 MB. Free memory was 38.4 MB in the beginning and 36.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:02:17,811 INFO L168 Benchmark]: RCFGBuilder took 610.61 ms. Allocated memory is still 62.9 MB. Free memory was 36.4 MB in the beginning and 36.7 MB in the end (delta: -237.8 kB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2021-08-27 16:02:17,812 INFO L168 Benchmark]: BuchiAutomizer took 79726.14 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 36.3 MB in the beginning and 26.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2021-08-27 16:02:17,812 INFO L168 Benchmark]: Witness Printer took 92.61 ms. Allocated memory is still 75.5 MB. Free memory was 26.0 MB in the beginning and 24.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 16:02:17,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.8 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 327.51 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.8 MB in the beginning and 41.1 MB in the end (delta: -12.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.55 ms. Allocated memory is still 62.9 MB. Free memory was 41.1 MB in the beginning and 38.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.31 ms. Allocated memory is still 62.9 MB. Free memory was 38.4 MB in the beginning and 36.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 610.61 ms. Allocated memory is still 62.9 MB. Free memory was 36.4 MB in the beginning and 36.7 MB in the end (delta: -237.8 kB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 79726.14 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 36.3 MB in the beginning and 26.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * Witness Printer took 92.61 ms. Allocated memory is still 75.5 MB. Free memory was 26.0 MB in the beginning and 24.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 79.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 79.6s. 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: 96]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=8313} State at position 1 is {NULL=8338, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b4ae2bc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6911528f=0, NULL=8313, NULL=8335, NULL=0, NULL=0, NULL=0, NULL=8323, retValue_acc=0, NULL=8333, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2963f181=86, NULL=8340, methaneLevelCritical=0, NULL=8324, NULL=0, NULL=0, NULL=8316, NULL=8326, tmp___1=0, NULL=8331, NULL=8327, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ef025fb=0, NULL=8322, cleanupTimeShifts=4, tmp=0, NULL=8320, NULL=8334, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=8315, retValue_acc=0, tmp___0=0, NULL=8321, NULL=8317, \result=1, head=0, pumpRunning=0, \result=0, NULL=8329, NULL=8341, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f006712=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24afa175=0, tmp=1, NULL=8339, NULL=0, NULL=8328, NULL=0, NULL=0, NULL=0, NULL=0, NULL=8314, retValue_acc=1, tmp___2=86, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=8332, NULL=8337, NULL=8336, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ba31697=0, head=0, NULL=8319, NULL=8330, NULL=0, NULL=0, NULL=8325, tmp=0, NULL=8318} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L162] int pumpRunning = 0; [L163] int systemActive = 1; [L312] int methAndRunningLastTime ; [L352] int waterLevel = 1; [L353] int methaneLevelCritical = 0; [L610] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L807] int cleanupTimeShifts = 4; [L881] int retValue_acc ; [L882] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L888] tmp = valid_product() [L890] COND TRUE \read(tmp) [L317] methAndRunningLastTime = 0 [L87] int splverifierCounter ; [L88] int tmp ; [L89] int tmp___0 ; [L90] int tmp___1 ; [L91] int tmp___2 ; [L94] splverifierCounter = 0 Loop: [L96] COND TRUE 1 [L98] COND TRUE splverifierCounter < 4 [L104] tmp = __VERIFIER_nondet_int() [L106] COND FALSE !(\read(tmp)) [L114] tmp___0 = __VERIFIER_nondet_int() [L116] COND FALSE !(\read(tmp___0)) [L124] tmp___2 = __VERIFIER_nondet_int() [L126] COND TRUE \read(tmp___2) [L306] systemActive = 1 [L170] COND FALSE !(\read(pumpRunning)) [L177] COND TRUE \read(systemActive) [L322] int tmp ; [L323] int tmp___0 ; [L391] int retValue_acc ; [L394] retValue_acc = methaneLevelCritical [L395] return (retValue_acc); [L327] tmp = isMethaneLevelCritical() [L329] COND FALSE !(\read(tmp)) [L345] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-08-27 16:02:17,854 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...