./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 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_product18.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 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:25:40,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:25:40,281 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:25:40,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:25:40,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:25:40,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:25:40,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:25:40,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:25:40,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:25:40,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:25:40,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:25:40,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:25:40,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:25:40,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:25:40,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:25:40,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:25:40,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:25:40,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:25:40,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:25:40,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:25:40,338 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:25:40,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:25:40,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:25:40,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:25:40,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:25:40,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:25:40,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:25:40,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:25:40,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:25:40,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:25:40,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:25:40,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:25:40,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:25:40,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:25:40,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:25:40,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:25:40,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:25:40,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:25:40,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:25:40,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:25:40,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:25:40,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:25:40,370 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:25:40,405 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:25:40,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:25:40,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:25:40,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:25:40,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:25:40,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:25:40,417 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:25:40,417 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:25:40,417 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:25:40,418 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:25:40,418 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:25:40,418 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:25:40,419 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:25:40,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:25:40,419 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:25:40,419 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:25:40,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:25:40,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:25:40,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:25:40,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:25:40,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:25:40,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:25:40,421 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:25:40,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:25:40,422 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:25:40,422 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:25:40,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:25:40,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:25:40,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:25:40,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:25:40,423 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:25:40,424 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:25:40,424 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35231ca8045aab57f76a1443f240aec6c4fd98e44f4fcbe92b2ad0643ba01515 [2022-07-23 15:25:40,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:25:40,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:25:40,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:25:40,673 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:25:40,674 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:25:40,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2022-07-23 15:25:40,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa37f1cf8/75375780e811453d8e4d1a2bb5e2ce3f/FLAG630aaae35 [2022-07-23 15:25:41,151 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:25:41,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product18.cil.c [2022-07-23 15:25:41,161 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa37f1cf8/75375780e811453d8e4d1a2bb5e2ce3f/FLAG630aaae35 [2022-07-23 15:25:41,174 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa37f1cf8/75375780e811453d8e4d1a2bb5e2ce3f [2022-07-23 15:25:41,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:25:41,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:25:41,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:25:41,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:25:41,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:25:41,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:25:41" (1/1) ... [2022-07-23 15:25:41,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68520c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41, skipping insertion in model container [2022-07-23 15:25:41,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:25:41" (1/1) ... [2022-07-23 15:25:41,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:25:41,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:25:41,460 WARN L230 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_product18.cil.c[18052,18065] [2022-07-23 15:25:41,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:25:41,475 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:25:41,567 WARN L230 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_product18.cil.c[18052,18065] [2022-07-23 15:25:41,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:25:41,591 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:25:41,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41 WrapperNode [2022-07-23 15:25:41,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:25:41,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:25:41,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:25:41,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:25:41,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41" (1/1) ... [2022-07-23 15:25:41,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41" (1/1) ... [2022-07-23 15:25:41,654 INFO L137 Inliner]: procedures = 54, calls = 151, calls flagged for inlining = 48, calls inlined = 49, statements flattened = 396 [2022-07-23 15:25:41,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:25:41,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:25:41,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:25:41,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:25:41,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41" (1/1) ... [2022-07-23 15:25:41,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41" (1/1) ... [2022-07-23 15:25:41,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41" (1/1) ... [2022-07-23 15:25:41,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41" (1/1) ... [2022-07-23 15:25:41,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41" (1/1) ... [2022-07-23 15:25:41,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41" (1/1) ... [2022-07-23 15:25:41,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41" (1/1) ... [2022-07-23 15:25:41,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:25:41,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:25:41,685 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:25:41,685 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:25:41,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41" (1/1) ... [2022-07-23 15:25:41,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:25:41,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:25:41,754 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) [2022-07-23 15:25:41,756 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 [2022-07-23 15:25:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:25:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:25:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:25:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:25:41,843 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:25:41,845 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:25:42,074 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:25:42,080 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:25:42,080 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 15:25:42,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:25:42 BoogieIcfgContainer [2022-07-23 15:25:42,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:25:42,083 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:25:42,083 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:25:42,085 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:25:42,086 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:25:42,086 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:25:41" (1/3) ... [2022-07-23 15:25:42,087 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@393039eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:25:42, skipping insertion in model container [2022-07-23 15:25:42,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:25:42,087 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:41" (2/3) ... [2022-07-23 15:25:42,088 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@393039eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:25:42, skipping insertion in model container [2022-07-23 15:25:42,088 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:25:42,088 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:25:42" (3/3) ... [2022-07-23 15:25:42,089 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product18.cil.c [2022-07-23 15:25:42,155 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:25:42,156 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:25:42,156 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:25:42,156 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:25:42,156 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:25:42,157 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:25:42,157 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:25:42,157 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:25:42,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 106 states have internal predecessors, (146), 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) [2022-07-23 15:25:42,214 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2022-07-23 15:25:42,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:42,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:42,223 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:42,224 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:42,224 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:25:42,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 107 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 106 states have internal predecessors, (146), 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) [2022-07-23 15:25:42,230 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2022-07-23 15:25:42,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:42,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:42,241 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:42,242 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:42,253 INFO L752 eck$LassoCheckResult]: Stem: 98#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; 34#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 101#L414true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 15#L407true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 17#L422true main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 14#L378true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 81#L350true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 41#L890true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 8#L234-2true [2022-07-23 15:25:42,255 INFO L754 eck$LassoCheckResult]: Loop: 8#L234-2true assume !false; 94#L235true assume test_~splverifierCounter~0#1 < 4; 53#L236true test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 10#L244true assume !(0 != test_~tmp~2#1); 31#L244-2true test_~tmp___0~1#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 47#L254true assume !(0 != test_~tmp___0~1#1); 28#L254-2true test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 55#L264true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 24#L217true assume { :end_inline_startSystem } true; 22#L272-2true assume { :begin_inline_timeShift } true; 105#L68true assume !(0 != ~pumpRunning~0); 64#L68-2true assume !(0 != ~systemActive~0); 29#L75-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 27#L471true __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 108#L901true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 72#L901-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 32#L85true assume { :end_inline_timeShift } true; 8#L234-2true [2022-07-23 15:25:42,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:42,267 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-23 15:25:42,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:42,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409860269] [2022-07-23 15:25:42,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:42,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:42,399 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:42,461 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:42,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:42,464 INFO L85 PathProgramCache]: Analyzing trace with hash -2068879063, now seen corresponding path program 1 times [2022-07-23 15:25:42,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:42,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427625139] [2022-07-23 15:25:42,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:42,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:25:42,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:25:42,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:25:42,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427625139] [2022-07-23 15:25:42,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427625139] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:25:42,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:25:42,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:25:42,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613100144] [2022-07-23 15:25:42,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:25:42,549 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:25:42,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:25:42,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:25:42,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:25:42,587 INFO L87 Difference]: Start difference. First operand has 107 states, 106 states have (on average 1.3773584905660377) internal successors, (146), 106 states have internal predecessors, (146), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-07-23 15:25:42,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:25:42,647 INFO L93 Difference]: Finished difference Result 104 states and 133 transitions. [2022-07-23 15:25:42,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:25:42,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 104 states and 133 transitions. [2022-07-23 15:25:42,658 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2022-07-23 15:25:42,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 104 states to 94 states and 122 transitions. [2022-07-23 15:25:42,670 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 94 [2022-07-23 15:25:42,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 94 [2022-07-23 15:25:42,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 94 states and 122 transitions. [2022-07-23 15:25:42,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:25:42,674 INFO L369 hiAutomatonCegarLoop]: Abstraction has 94 states and 122 transitions. [2022-07-23 15:25:42,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states and 122 transitions. [2022-07-23 15:25:42,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2022-07-23 15:25:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 94 states have (on average 1.297872340425532) internal successors, (122), 93 states have internal predecessors, (122), 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) [2022-07-23 15:25:42,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2022-07-23 15:25:42,708 INFO L392 hiAutomatonCegarLoop]: Abstraction has 94 states and 122 transitions. [2022-07-23 15:25:42,709 INFO L374 stractBuchiCegarLoop]: Abstraction has 94 states and 122 transitions. [2022-07-23 15:25:42,709 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:25:42,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 94 states and 122 transitions. [2022-07-23 15:25:42,712 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2022-07-23 15:25:42,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:42,713 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:42,713 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:42,713 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:42,713 INFO L752 eck$LassoCheckResult]: Stem: 311#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0; 298#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 299#L414 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 253#L407 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 254#L422 main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 251#L378 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 252#L350 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 290#L890 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 229#L234-2 [2022-07-23 15:25:42,713 INFO L754 eck$LassoCheckResult]: Loop: 229#L234-2 assume !false; 230#L235 assume test_~splverifierCounter~0#1 < 4; 304#L236 test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 240#L244 assume !(0 != test_~tmp~2#1); 242#L244-2 test_~tmp___0~1#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 284#L254 assume !(0 != test_~tmp___0~1#1); 248#L254-2 test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 280#L264 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 274#L217 assume { :end_inline_startSystem } true; 269#L272-2 assume { :begin_inline_timeShift } true; 270#L68 assume !(0 != ~pumpRunning~0); 238#L68-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 239#L100 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 288#L92-1 assume { :end_inline_processEnvironment__wrappee__base } true; 231#L100-1 assume { :end_inline_processEnvironment } true; 232#L75-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 278#L471 __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 279#L901 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 271#L901-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 272#L85 assume { :end_inline_timeShift } true; 229#L234-2 [2022-07-23 15:25:42,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:42,718 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-23 15:25:42,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:42,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538199144] [2022-07-23 15:25:42,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:42,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:42,738 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:42,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:42,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:42,764 INFO L85 PathProgramCache]: Analyzing trace with hash -438821554, now seen corresponding path program 1 times [2022-07-23 15:25:42,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:42,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316516866] [2022-07-23 15:25:42,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:42,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:42,782 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:42,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:42,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:42,801 INFO L85 PathProgramCache]: Analyzing trace with hash 933704119, now seen corresponding path program 1 times [2022-07-23 15:25:42,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:42,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810525955] [2022-07-23 15:25:42,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:42,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:42,837 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:42,861 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:45,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:25:45 BoogieIcfgContainer [2022-07-23 15:25:45,924 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:25:45,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:25:45,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:25:45,926 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:25:45,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:25:42" (3/4) ... [2022-07-23 15:25:45,932 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-23 15:25:45,973 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-23 15:25:45,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:25:45,974 INFO L158 Benchmark]: Toolchain (without parser) took 4797.04ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 59.1MB in the beginning and 116.6MB in the end (delta: -57.5MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2022-07-23 15:25:45,974 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:25:45,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.69ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 61.0MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 15:25:45,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.29ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 58.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:45,975 INFO L158 Benchmark]: Boogie Preprocessor took 28.97ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 56.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:45,976 INFO L158 Benchmark]: RCFGBuilder took 397.42ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 39.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-23 15:25:45,976 INFO L158 Benchmark]: BuchiAutomizer took 3842.02ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 38.8MB in the beginning and 47.3MB in the end (delta: -8.6MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2022-07-23 15:25:45,977 INFO L158 Benchmark]: Witness Printer took 47.80ms. Allocated memory is still 144.7MB. Free memory was 47.3MB in the beginning and 116.6MB in the end (delta: -69.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:45,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 45.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.69ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 61.0MB in the end (delta: -2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.29ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 58.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.97ms. Allocated memory is still 92.3MB. Free memory was 58.3MB in the beginning and 56.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.42ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 39.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3842.02ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 38.8MB in the beginning and 47.3MB in the end (delta: -8.6MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Witness Printer took 47.80ms. Allocated memory is still 144.7MB. Free memory was 47.3MB in the beginning and 116.6MB in the end (delta: -69.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 3 locations. The remainder module has 94 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. 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 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. 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: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 130 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 130 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 234]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42a68b28=0, head=0, tmp___0=0, pumpRunning=0, retValue_acc=0, NULL=1, methaneLevelCritical=0, retValue_acc=0, tmp=0, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1111f7e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@314fc158=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51390404=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71a2143b=0, tmp___2=29, methAndRunningLastTime=0, tmp=1, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bcc25a4=0, \result=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6dd01c50=0, head=0, tmp___1=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e78b217=0, waterLevel=1, systemActive=1, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 234]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L291] int cleanupTimeShifts = 4; [L428] int waterLevel = 1; [L429] int methaneLevelCritical = 0; [L686] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L884] int methAndRunningLastTime ; [L369] int retValue_acc ; [L370] int tmp ; [L374] FCALL select_helpers() [L375] FCALL select_features() [L376] CALL, EXPR valid_product() [L418] int retValue_acc ; [L421] retValue_acc = 1 [L422] return (retValue_acc); [L376] RET, EXPR valid_product() [L376] tmp = valid_product() [L378] COND TRUE \read(tmp) [L380] FCALL setup() [L381] CALL runTest() [L359] CALL __utac_acc__Specification2_spec__1() [L889] methAndRunningLastTime = 0 [L359] RET __utac_acc__Specification2_spec__1() [L360] CALL test() [L225] int splverifierCounter ; [L226] int tmp ; [L227] int tmp___0 ; [L228] int tmp___1 ; [L229] int tmp___2 ; [L232] splverifierCounter = 0 Loop: [L234] COND TRUE 1 [L236] COND TRUE splverifierCounter < 4 [L242] tmp = __VERIFIER_nondet_int() [L244] COND FALSE !(\read(tmp)) [L252] tmp___0 = __VERIFIER_nondet_int() [L254] COND FALSE !(\read(tmp___0)) [L262] tmp___2 = __VERIFIER_nondet_int() [L264] COND TRUE \read(tmp___2) [L266] CALL startSystem() [L216] systemActive = 1 [L266] RET startSystem() [L279] CALL timeShift() [L68] COND FALSE !(\read(pumpRunning)) [L75] COND TRUE \read(systemActive) [L77] CALL processEnvironment() [L97] int tmp ; [L100] COND FALSE !(\read(pumpRunning)) [L115] FCALL processEnvironment__wrappee__base() [L77] RET processEnvironment() [L83] CALL __utac_acc__Specification2_spec__2() [L894] int tmp ; [L895] int tmp___0 ; [L899] CALL, EXPR isMethaneLevelCritical() [L467] int retValue_acc ; [L470] retValue_acc = methaneLevelCritical [L471] return (retValue_acc); [L899] RET, EXPR isMethaneLevelCritical() [L899] tmp = isMethaneLevelCritical() [L901] COND FALSE !(\read(tmp)) [L917] methAndRunningLastTime = 0 [L83] RET __utac_acc__Specification2_spec__2() [L279] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-23 15:25:46,028 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)