./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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_product17.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 f109400e8916ff9eba13533e7575144e5f0c1404 .............................................................................................................................................................................................................................................................................................................................................................................................................. 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-wip.dd.multireach-323-8d31f38 [2021-07-06 20:17:17,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:17:17,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:17:17,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:17:17,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:17:17,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:17:17,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:17:17,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:17:17,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:17:17,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:17:17,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:17:17,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:17:17,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:17:17,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:17:17,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:17:17,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:17:17,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:17:17,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:17:17,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:17:17,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:17:17,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:17:17,088 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:17:17,089 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:17:17,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:17:17,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:17:17,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:17:17,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:17:17,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:17:17,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:17:17,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:17:17,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:17:17,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:17:17,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:17:17,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:17:17,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:17:17,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:17:17,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:17:17,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:17:17,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:17:17,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:17:17,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:17:17,100 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:17:17,119 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:17:17,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:17:17,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:17:17,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:17:17,121 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:17:17,122 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:17:17,122 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:17:17,122 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:17:17,122 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:17:17,123 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:17:17,123 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:17:17,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:17:17,132 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:17:17,132 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:17:17,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:17:17,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:17:17,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:17:17,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:17:17,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:17:17,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:17:17,134 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:17:17,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:17:17,134 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:17:17,134 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:17:17,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:17:17,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:17:17,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:17:17,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:17:17,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:17:17,136 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:17:17,137 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:17:17,137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f109400e8916ff9eba13533e7575144e5f0c1404 [2021-07-06 20:17:17,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:17:17,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:17:17,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:17:17,475 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:17:17,476 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:17:17,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-07-06 20:17:17,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4230a34/35d9bab77a894c9eb4b6dacc2966ae0b/FLAG0f16a5c7e [2021-07-06 20:17:17,966 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:17:17,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-07-06 20:17:17,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4230a34/35d9bab77a894c9eb4b6dacc2966ae0b/FLAG0f16a5c7e [2021-07-06 20:17:17,986 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca4230a34/35d9bab77a894c9eb4b6dacc2966ae0b [2021-07-06 20:17:17,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:17:17,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:17:17,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:17:17,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:17:18,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:17:18,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:17:17" (1/1) ... [2021-07-06 20:17:18,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67260392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18, skipping insertion in model container [2021-07-06 20:17:18,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:17:17" (1/1) ... [2021-07-06 20:17:18,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:17:18,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:17:18,291 WARN L224 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_product17.cil.c[6078,6091] [2021-07-06 20:17:18,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:17:18,355 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:17:18,394 WARN L224 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_product17.cil.c[6078,6091] [2021-07-06 20:17:18,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:17:18,455 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:17:18,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18 WrapperNode [2021-07-06 20:17:18,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:17:18,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:17:18,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:17:18,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:17:18,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18" (1/1) ... [2021-07-06 20:17:18,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18" (1/1) ... [2021-07-06 20:17:18,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:17:18,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:17:18,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:17:18,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:17:18,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18" (1/1) ... [2021-07-06 20:17:18,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18" (1/1) ... [2021-07-06 20:17:18,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18" (1/1) ... [2021-07-06 20:17:18,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18" (1/1) ... [2021-07-06 20:17:18,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18" (1/1) ... [2021-07-06 20:17:18,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18" (1/1) ... [2021-07-06 20:17:18,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18" (1/1) ... [2021-07-06 20:17:18,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:17:18,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:17:18,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:17:18,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:17:18,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18" (1/1) ... [2021-07-06 20:17:18,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:17:18,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:17:18,646 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) [2021-07-06 20:17:18,690 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 [2021-07-06 20:17:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:17:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:17:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:17:18,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:17:19,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:17:19,583 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-07-06 20:17:19,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:17:19 BoogieIcfgContainer [2021-07-06 20:17:19,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:17:19,587 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:17:19,587 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:17:19,589 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:17:19,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:17:19,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:17:17" (1/3) ... [2021-07-06 20:17:19,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4953ecb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:17:19, skipping insertion in model container [2021-07-06 20:17:19,591 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:17:19,591 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:17:18" (2/3) ... [2021-07-06 20:17:19,591 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4953ecb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:17:19, skipping insertion in model container [2021-07-06 20:17:19,591 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:17:19,592 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:17:19" (3/3) ... [2021-07-06 20:17:19,592 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2021-07-06 20:17:19,628 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:17:19,628 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:17:19,628 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:17:19,629 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:17:19,629 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:17:19,629 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:17:19,629 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:17:19,629 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:17:19,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 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) [2021-07-06 20:17:19,662 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-07-06 20:17:19,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:17:19,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:17:19,669 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:17:19,669 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:17:19,669 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:17:19,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 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) [2021-07-06 20:17:19,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-07-06 20:17:19,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:17:19,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:17:19,682 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:17:19,683 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:17:19,691 INFO L791 eck$LassoCheckResult]: Stem: 33#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(80, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(117, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(109, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(112, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(110, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 3 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(32, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 11#L-1true havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 6#L387true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 29#L395true main_#t~ret78 := valid_product_#res;main_~tmp~7 := main_#t~ret78;havoc main_#t~ret78; 39#L897true assume 0 != main_~tmp~7; 67#L873true ~methAndRunningLastTime~0 := 0; 62#L781true havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, 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; 63#L792-1true [2021-07-06 20:17:19,692 INFO L793 eck$LassoCheckResult]: Loop: 63#L792-1true assume !false; 50#L151true assume test_~splverifierCounter~0 < 4; 74#L152true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 13#L160true assume !(0 != test_~tmp~0); 12#L160-1true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 68#L170true assume !(0 != test_~tmp___0~0); 41#L170-1true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 31#L180true assume 0 != test_~tmp___2~0; 18#L186-2true assume !(0 != ~pumpRunning~0); 55#L217true assume !(0 != ~systemActive~0); 46#L224true havoc __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_#t~ret77, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 27#L92true __utac_acc__Specification2_spec__2_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret76;havoc __utac_acc__Specification2_spec__2_#t~ret76; 60#L792true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 63#L792-1true [2021-07-06 20:17:19,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:17:19,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-07-06 20:17:19,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:17:19,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697185584] [2021-07-06 20:17:19,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:17:19,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:17:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:17:19,885 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:17:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:17:19,967 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:17:20,012 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:17:20,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:17:20,019 INFO L82 PathProgramCache]: Analyzing trace with hash 2599242, now seen corresponding path program 1 times [2021-07-06 20:17:20,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:17:20,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167668731] [2021-07-06 20:17:20,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:17:20,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:17:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:17:20,033 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:17:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:17:20,051 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:17:20,055 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:17:20,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:17:20,062 INFO L82 PathProgramCache]: Analyzing trace with hash 835895748, now seen corresponding path program 1 times [2021-07-06 20:17:20,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:17:20,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064700680] [2021-07-06 20:17:20,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:17:20,063 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:17:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 20:17:20,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:17:20,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:17:20,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:17:20,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:17:20,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:17:20,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:17:20,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:17:20,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-07-06 20:17:20,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:17:20,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 20:17:20,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 20:17:20,198 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 20:17:20,198 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064700680] [2021-07-06 20:17:20,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064700680] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 20:17:20,199 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 20:17:20,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-06 20:17:20,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661796682] [2021-07-06 20:17:20,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:17:20,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-06 20:17:20,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 20:17:20,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-06 20:17:20,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-06 20:17:20,304 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-07-06 20:17:20,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 20:17:20,457 INFO L93 Difference]: Finished difference Result 76 states and 104 transitions. [2021-07-06 20:17:20,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-06 20:17:20,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 104 transitions. [2021-07-06 20:17:20,462 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-07-06 20:17:20,465 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 69 states and 97 transitions. [2021-07-06 20:17:20,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2021-07-06 20:17:20,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2021-07-06 20:17:20,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 97 transitions. [2021-07-06 20:17:20,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 20:17:20,467 INFO L681 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-07-06 20:17:20,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 97 transitions. [2021-07-06 20:17:20,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-07-06 20:17:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 68 states have internal predecessors, (97), 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) [2021-07-06 20:17:20,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2021-07-06 20:17:20,501 INFO L704 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-07-06 20:17:20,501 INFO L587 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-07-06 20:17:20,501 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 20:17:20,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 97 transitions. [2021-07-06 20:17:20,505 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-07-06 20:17:20,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:17:20,505 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:17:20,506 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:17:20,507 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:17:20,507 INFO L791 eck$LassoCheckResult]: Stem: 216#ULTIMATE.startENTRY #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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(80, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(117, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(109, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(112, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(110, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 3 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(32, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 183#L-1 havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 176#L387 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 177#L395 main_#t~ret78 := valid_product_#res;main_~tmp~7 := main_#t~ret78;havoc main_#t~ret78; 213#L897 assume 0 != main_~tmp~7; 223#L873 ~methAndRunningLastTime~0 := 0; 234#L781 havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, 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; 191#L792-1 [2021-07-06 20:17:20,510 INFO L793 eck$LassoCheckResult]: Loop: 191#L792-1 assume !false; 227#L151 assume test_~splverifierCounter~0 < 4; 228#L152 test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 186#L160 assume !(0 != test_~tmp~0); 184#L160-1 test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 185#L170 assume !(0 != test_~tmp___0~0); 224#L170-1 test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 215#L180 assume 0 != test_~tmp___2~0; 175#L186-2 assume !(0 != ~pumpRunning~0); 196#L217 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret21, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 221#L249 assume !(0 != ~pumpRunning~0); 212#L224 havoc __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_#t~ret77, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 209#L92 __utac_acc__Specification2_spec__2_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret76;havoc __utac_acc__Specification2_spec__2_#t~ret76; 210#L792 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 191#L792-1 [2021-07-06 20:17:20,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:17:20,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-07-06 20:17:20,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:17:20,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730188738] [2021-07-06 20:17:20,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:17:20,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:17:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:17:20,555 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:17:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:17:20,609 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:17:20,630 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:17:20,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:17:20,632 INFO L82 PathProgramCache]: Analyzing trace with hash 53583393, now seen corresponding path program 1 times [2021-07-06 20:17:20,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:17:20,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086645367] [2021-07-06 20:17:20,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:17:20,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:17:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:17:20,637 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:17:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:17:20,640 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:17:20,642 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:17:20,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:17:20,643 INFO L82 PathProgramCache]: Analyzing trace with hash 115971303, now seen corresponding path program 1 times [2021-07-06 20:17:20,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:17:20,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466234409] [2021-07-06 20:17:20,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:17:20,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:17:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:17:20,687 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:17:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:17:20,725 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:17:20,752 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:17:20,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:17:20,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-07-06 20:18:00,384 WARN L205 SmtUtils]: Spent 39.57 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-07-06 20:18:00,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:18:00,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2130 [2021-07-06 20:18:20,833 WARN L205 SmtUtils]: Spent 20.36 s on a formula simplification that was a NOOP. DAG size: 435 [2021-07-06 20:18:20,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:18:20 BoogieIcfgContainer [2021-07-06 20:18:20,946 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:18:20,946 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:18:20,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:18:20,946 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:18:20,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:17:19" (3/4) ... [2021-07-06 20:18:20,949 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:18:20,980 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:18:20,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:18:20,981 INFO L168 Benchmark]: Toolchain (without parser) took 62986.08 ms. Allocated memory was 50.3 MB in the beginning and 146.8 MB in the end (delta: 96.5 MB). Free memory was 26.4 MB in the beginning and 108.6 MB in the end (delta: -82.2 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2021-07-06 20:18:20,981 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 50.3 MB. Free memory is still 32.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:18:20,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 459.28 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 26.2 MB in the beginning and 40.1 MB in the end (delta: -13.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-07-06 20:18:20,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.40 ms. Allocated memory is still 67.1 MB. Free memory was 40.1 MB in the beginning and 37.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:18:20,982 INFO L168 Benchmark]: Boogie Preprocessor took 43.13 ms. Allocated memory is still 67.1 MB. Free memory was 37.2 MB in the beginning and 35.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:18:20,982 INFO L168 Benchmark]: RCFGBuilder took 1039.47 ms. Allocated memory is still 67.1 MB. Free memory was 34.9 MB in the beginning and 32.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-07-06 20:18:20,983 INFO L168 Benchmark]: BuchiAutomizer took 61359.07 ms. Allocated memory was 67.1 MB in the beginning and 146.8 MB in the end (delta: 79.7 MB). Free memory was 32.9 MB in the beginning and 111.6 MB in the end (delta: -78.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 16.1 GB. [2021-07-06 20:18:20,983 INFO L168 Benchmark]: Witness Printer took 33.83 ms. Allocated memory is still 146.8 MB. Free memory was 111.6 MB in the beginning and 108.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:18:20,985 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 50.3 MB. Free memory is still 32.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 459.28 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 26.2 MB in the beginning and 40.1 MB in the end (delta: -13.9 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.40 ms. Allocated memory is still 67.1 MB. Free memory was 40.1 MB in the beginning and 37.2 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.13 ms. Allocated memory is still 67.1 MB. Free memory was 37.2 MB in the beginning and 35.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1039.47 ms. Allocated memory is still 67.1 MB. Free memory was 34.9 MB in the beginning and 32.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 61359.07 ms. Allocated memory was 67.1 MB in the beginning and 146.8 MB in the end (delta: 79.7 MB). Free memory was 32.9 MB in the beginning and 111.6 MB in the end (delta: -78.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 16.1 GB. * Witness Printer took 33.83 ms. Allocated memory is still 146.8 MB. Free memory was 111.6 MB in the beginning and 108.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 69 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 61.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 61.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 23.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 69 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 99 SDtfs, 304 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 96.3ms Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 150]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=24495} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=24505, NULL=0, NULL=24495, NULL=24523, NULL=0, NULL=0, NULL=24521, NULL=24519, NULL=24518, NULL=24524, methaneLevelCritical=0, NULL=24512, NULL=0, NULL=0, NULL=24517, tmp___1=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@509db916=0, NULL=24510, NULL=24507, cleanupTimeShifts=4, tmp=0, NULL=24511, NULL=24509, NULL=0, systemActive=1, waterLevel=1, NULL=24516, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=24502, NULL=0, tmp___0=0, NULL=24496, retValue_acc=0, NULL=24499, \result=1, head=0, pumpRunning=0, \result=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5010cdf0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@182959da=0, NULL=24514, retValue_acc=1, NULL=0, NULL=0, NULL=0, NULL=24501, tmp___2=55, NULL=24506, NULL=24504, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=24520, NULL=24503, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23f04b07=55, NULL=24515, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7043abfd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39f3934d=0, NULL=24508, tmp=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c414429=0, NULL=0, NULL=0, NULL=24500, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cc2aac4=0, NULL=24498, NULL=24522, NULL=24513, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L209] int pumpRunning = 0; [L210] int systemActive = 1; [L578] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L775] int methAndRunningLastTime ; [L814] int cleanupTimeShifts = 4; [L888] int retValue_acc ; [L889] int tmp ; [L391] int retValue_acc ; [L394] retValue_acc = 1 [L395] return (retValue_acc); [L895] tmp = valid_product() [L897] COND TRUE \read(tmp) [L780] methAndRunningLastTime = 0 [L141] int splverifierCounter ; [L142] int tmp ; [L143] int tmp___0 ; [L144] int tmp___1 ; [L145] int tmp___2 ; [L148] splverifierCounter = 0 Loop: [L150] COND TRUE 1 [L152] COND TRUE splverifierCounter < 4 [L158] tmp = __VERIFIER_nondet_int() [L160] COND FALSE !(\read(tmp)) [L168] tmp___0 = __VERIFIER_nondet_int() [L170] COND FALSE !(\read(tmp___0)) [L178] tmp___2 = __VERIFIER_nondet_int() [L180] COND TRUE \read(tmp___2) [L217] COND FALSE !(\read(pumpRunning)) [L224] COND TRUE \read(systemActive) [L246] int tmp ; [L249] COND FALSE !(\read(pumpRunning)) [L785] int tmp ; [L786] int tmp___0 ; [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L790] tmp = isMethaneLevelCritical() [L792] COND FALSE !(\read(tmp)) [L808] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:18:21,032 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...