./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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_spec5_product10.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 dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:19:12,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:19:12,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:19:12,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:19:12,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:19:12,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:19:12,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:19:12,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:19:12,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:19:12,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:19:12,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:19:12,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:19:12,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:19:12,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:19:12,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:19:12,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:19:12,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:19:12,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:19:12,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:19:12,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:19:12,614 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:19:12,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:19:12,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:19:12,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:19:12,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:19:12,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:19:12,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:19:12,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:19:12,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:19:12,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:19:12,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:19:12,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:19:12,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:19:12,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:19:12,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:19:12,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:19:12,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:19:12,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:19:12,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:19:12,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:19:12,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:19:12,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:19:12,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:19:12,658 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:19:12,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:19:12,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:19:12,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:19:12,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:19:12,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:19:12,662 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:19:12,662 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:19:12,662 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:19:12,662 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:19:12,662 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:19:12,662 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:19:12,662 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:19:12,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:19:12,663 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:19:12,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:19:12,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:19:12,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:19:12,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:19:12,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:19:12,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:19:12,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:19:12,664 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:19:12,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:19:12,665 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:19:12,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:19:12,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:19:12,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:19:12,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:19:12,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:19:12,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:19:12,666 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:19:12,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f [2022-07-13 04:19:12,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:19:12,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:19:12,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:19:12,887 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:19:12,888 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:19:12,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2022-07-13 04:19:12,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eab5832b8/42e7f4512c12443a866b90973f4dd513/FLAG375b9b362 [2022-07-13 04:19:13,255 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:19:13,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2022-07-13 04:19:13,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eab5832b8/42e7f4512c12443a866b90973f4dd513/FLAG375b9b362 [2022-07-13 04:19:13,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eab5832b8/42e7f4512c12443a866b90973f4dd513 [2022-07-13 04:19:13,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:19:13,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:19:13,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:19:13,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:19:13,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:19:13,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:19:13" (1/1) ... [2022-07-13 04:19:13,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336047d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:13, skipping insertion in model container [2022-07-13 04:19:13,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:19:13" (1/1) ... [2022-07-13 04:19:13,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:19:13,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:19:13,902 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_spec5_product10.cil.c[16321,16334] [2022-07-13 04:19:13,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:19:13,912 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:19:14,024 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_spec5_product10.cil.c[16321,16334] [2022-07-13 04:19:14,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:19:14,056 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:19:14,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:14 WrapperNode [2022-07-13 04:19:14,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:19:14,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:19:14,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:19:14,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:19:14,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:14" (1/1) ... [2022-07-13 04:19:14,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:14" (1/1) ... [2022-07-13 04:19:14,137 INFO L137 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 47, calls inlined = 40, statements flattened = 321 [2022-07-13 04:19:14,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:19:14,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:19:14,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:19:14,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:19:14,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:14" (1/1) ... [2022-07-13 04:19:14,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:14" (1/1) ... [2022-07-13 04:19:14,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:14" (1/1) ... [2022-07-13 04:19:14,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:14" (1/1) ... [2022-07-13 04:19:14,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:14" (1/1) ... [2022-07-13 04:19:14,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:14" (1/1) ... [2022-07-13 04:19:14,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:14" (1/1) ... [2022-07-13 04:19:14,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:19:14,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:19:14,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:19:14,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:19:14,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:14" (1/1) ... [2022-07-13 04:19:14,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:19:14,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:19:14,224 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) [2022-07-13 04:19:14,242 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 [2022-07-13 04:19:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:19:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:19:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:19:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:19:14,304 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:19:14,305 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:19:14,550 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:19:14,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:19:14,558 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:19:14,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:19:14 BoogieIcfgContainer [2022-07-13 04:19:14,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:19:14,561 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:19:14,561 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:19:14,563 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:19:14,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:19:14,564 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:19:13" (1/3) ... [2022-07-13 04:19:14,564 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67dee0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:19:14, skipping insertion in model container [2022-07-13 04:19:14,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:19:14,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:14" (2/3) ... [2022-07-13 04:19:14,565 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67dee0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:19:14, skipping insertion in model container [2022-07-13 04:19:14,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:19:14,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:19:14" (3/3) ... [2022-07-13 04:19:14,566 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2022-07-13 04:19:14,603 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:19:14,603 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:19:14,603 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:19:14,603 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:19:14,603 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:19:14,604 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:19:14,604 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:19:14,604 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:19:14,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 states have internal predecessors, (116), 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) [2022-07-13 04:19:14,628 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2022-07-13 04:19:14,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:14,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:14,633 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:14,633 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] [2022-07-13 04:19:14,634 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:19:14,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 states have internal predecessors, (116), 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) [2022-07-13 04:19:14,637 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2022-07-13 04:19:14,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:14,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:14,638 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:14,638 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] [2022-07-13 04:19:14,641 INFO L752 eck$LassoCheckResult]: Stem: 59#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 44#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 75#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 68#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 24#L83true main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 55#L892true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 31#L868true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 36#L182true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 82#L604-2true [2022-07-13 04:19:14,642 INFO L754 eck$LassoCheckResult]: Loop: 82#L604-2true assume !false; 72#L605true assume test_~splverifierCounter~0#1 < 4; 16#L606true test_~tmp~4#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 41#L614true assume !(0 != test_~tmp~4#1); 47#L614-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 48#L624true assume !(0 != test_~tmp___0~1#1); 7#L624-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 26#L634true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 51#L642true assume 0 != test_~tmp___1~0#1; 38#L642-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 23#L751true __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 28#L192true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 19#L674true assume !(0 != ~pumpRunning~0); 58#L674-2true assume !(0 != ~systemActive~0); 52#L681-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 73#L169true __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 30#L203true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 43#L203-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 39#L691true assume { :end_inline_timeShift } true; 82#L604-2true [2022-07-13 04:19:14,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:14,658 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-13 04:19:14,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:14,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723985055] [2022-07-13 04:19:14,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:14,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:14,757 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:14,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:14,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:14,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1534970164, now seen corresponding path program 1 times [2022-07-13 04:19:14,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:14,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478629814] [2022-07-13 04:19:14,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:14,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:14,849 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:14,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:14,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:14,864 INFO L85 PathProgramCache]: Analyzing trace with hash -105221821, now seen corresponding path program 1 times [2022-07-13 04:19:14,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:14,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843989211] [2022-07-13 04:19:14,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:14,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:19:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:19:14,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:19:14,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843989211] [2022-07-13 04:19:14,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843989211] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:19:14,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:19:14,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:19:14,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375514158] [2022-07-13 04:19:14,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:19:15,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:19:15,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 04:19:15,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 04:19:15,159 INFO L87 Difference]: Start difference. First operand has 86 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 states have internal predecessors, (116), 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 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-07-13 04:19:15,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:19:15,199 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2022-07-13 04:19:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 04:19:15,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 102 transitions. [2022-07-13 04:19:15,206 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2022-07-13 04:19:15,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 73 states and 92 transitions. [2022-07-13 04:19:15,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2022-07-13 04:19:15,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 73 [2022-07-13 04:19:15,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 92 transitions. [2022-07-13 04:19:15,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:19:15,211 INFO L369 hiAutomatonCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-07-13 04:19:15,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 92 transitions. [2022-07-13 04:19:15,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-07-13 04:19:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 72 states have internal predecessors, (92), 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) [2022-07-13 04:19:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2022-07-13 04:19:15,229 INFO L392 hiAutomatonCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-07-13 04:19:15,229 INFO L374 stractBuchiCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-07-13 04:19:15,229 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:19:15,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 92 transitions. [2022-07-13 04:19:15,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2022-07-13 04:19:15,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:15,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:15,232 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:15,232 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] [2022-07-13 04:19:15,232 INFO L752 eck$LassoCheckResult]: Stem: 252#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 242#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 243#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 257#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 220#L83 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 221#L892 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 227#L868 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 228#L182 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 236#L604-2 [2022-07-13 04:19:15,232 INFO L754 eck$LassoCheckResult]: Loop: 236#L604-2 assume !false; 258#L605 assume test_~splverifierCounter~0#1 < 4; 208#L606 test_~tmp~4#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 209#L614 assume !(0 != test_~tmp~4#1); 241#L614-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 245#L624 assume !(0 != test_~tmp___0~1#1); 195#L624-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 196#L634 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 215#L796 assume { :end_inline_startSystem } true; 216#L642-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 218#L751 __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 219#L192 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 212#L674 assume !(0 != ~pumpRunning~0); 214#L674-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 229#L698 assume { :end_inline_processEnvironment } true; 230#L681-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 247#L169 __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 226#L203 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 194#L203-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 237#L691 assume { :end_inline_timeShift } true; 236#L604-2 [2022-07-13 04:19:15,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:15,233 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-13 04:19:15,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:15,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56250413] [2022-07-13 04:19:15,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:15,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:15,243 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:15,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:15,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:15,254 INFO L85 PathProgramCache]: Analyzing trace with hash 816664526, now seen corresponding path program 1 times [2022-07-13 04:19:15,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:15,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123368861] [2022-07-13 04:19:15,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:15,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:15,259 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:15,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:15,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:15,264 INFO L85 PathProgramCache]: Analyzing trace with hash -2105777097, now seen corresponding path program 1 times [2022-07-13 04:19:15,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:15,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373031766] [2022-07-13 04:19:15,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:15,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:19:15,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:19:15,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:19:15,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373031766] [2022-07-13 04:19:15,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373031766] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:19:15,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:19:15,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 04:19:15,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080427828] [2022-07-13 04:19:15,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:19:15,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:19:15,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 04:19:15,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 04:19:15,459 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-07-13 04:19:15,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:19:15,548 INFO L93 Difference]: Finished difference Result 190 states and 240 transitions. [2022-07-13 04:19:15,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 04:19:15,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 240 transitions. [2022-07-13 04:19:15,552 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 119 [2022-07-13 04:19:15,554 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 190 states and 240 transitions. [2022-07-13 04:19:15,554 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 190 [2022-07-13 04:19:15,555 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2022-07-13 04:19:15,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 190 states and 240 transitions. [2022-07-13 04:19:15,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:19:15,556 INFO L369 hiAutomatonCegarLoop]: Abstraction has 190 states and 240 transitions. [2022-07-13 04:19:15,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states and 240 transitions. [2022-07-13 04:19:15,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 137. [2022-07-13 04:19:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2481751824817517) internal successors, (171), 136 states have internal predecessors, (171), 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) [2022-07-13 04:19:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 171 transitions. [2022-07-13 04:19:15,564 INFO L392 hiAutomatonCegarLoop]: Abstraction has 137 states and 171 transitions. [2022-07-13 04:19:15,564 INFO L374 stractBuchiCegarLoop]: Abstraction has 137 states and 171 transitions. [2022-07-13 04:19:15,564 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 04:19:15,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 171 transitions. [2022-07-13 04:19:15,565 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 97 [2022-07-13 04:19:15,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:15,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:15,566 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:15,566 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, 1, 1] [2022-07-13 04:19:15,566 INFO L752 eck$LassoCheckResult]: Stem: 537#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 526#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 527#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 544#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 500#L83 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 501#L892 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 508#L868 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 509#L182 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 517#L604-2 [2022-07-13 04:19:15,567 INFO L754 eck$LassoCheckResult]: Loop: 517#L604-2 assume !false; 546#L605 assume test_~splverifierCounter~0#1 < 4; 487#L606 test_~tmp~4#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 488#L614 assume !(0 != test_~tmp~4#1); 524#L614-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 601#L624 assume !(0 != test_~tmp___0~1#1); 599#L624-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 598#L634 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 596#L796 assume { :end_inline_startSystem } true; 595#L642-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 594#L751 __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 588#L192 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 565#L674 assume !(0 != ~pumpRunning~0); 564#L674-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 563#L698 assume { :end_inline_processEnvironment } true; 562#L681-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 548#L169 __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 506#L203 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 507#L751-1 __utac_acc__Specification5_spec__3_#t~ret12#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret12#1;havoc __utac_acc__Specification5_spec__3_#t~ret12#1; 560#L207 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 558#L203-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 519#L691 assume { :end_inline_timeShift } true; 517#L604-2 [2022-07-13 04:19:15,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:15,567 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-07-13 04:19:15,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:15,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795709498] [2022-07-13 04:19:15,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:15,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:15,576 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:15,584 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:15,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:15,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1183505207, now seen corresponding path program 1 times [2022-07-13 04:19:15,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:15,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614486967] [2022-07-13 04:19:15,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:15,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:15,589 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:15,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:15,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:15,593 INFO L85 PathProgramCache]: Analyzing trace with hash -741293326, now seen corresponding path program 1 times [2022-07-13 04:19:15,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:15,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976619718] [2022-07-13 04:19:15,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:15,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:15,604 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:15,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:17,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:19:17 BoogieIcfgContainer [2022-07-13 04:19:17,744 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:19:17,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:19:17,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:19:17,745 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:19:17,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:19:14" (3/4) ... [2022-07-13 04:19:17,747 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:19:17,778 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:19:17,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:19:17,778 INFO L158 Benchmark]: Toolchain (without parser) took 4115.31ms. Allocated memory was 104.9MB in the beginning and 153.1MB in the end (delta: 48.2MB). Free memory was 75.8MB in the beginning and 60.4MB in the end (delta: 15.4MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:17,779 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:19:17,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.12ms. Allocated memory is still 104.9MB. Free memory was 75.5MB in the beginning and 74.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 04:19:17,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.76ms. Allocated memory is still 104.9MB. Free memory was 74.0MB in the beginning and 71.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:17,780 INFO L158 Benchmark]: Boogie Preprocessor took 57.67ms. Allocated memory is still 104.9MB. Free memory was 71.5MB in the beginning and 69.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:17,780 INFO L158 Benchmark]: RCFGBuilder took 364.32ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 54.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-13 04:19:17,780 INFO L158 Benchmark]: BuchiAutomizer took 3183.77ms. Allocated memory was 104.9MB in the beginning and 153.1MB in the end (delta: 48.2MB). Free memory was 54.2MB in the beginning and 62.4MB in the end (delta: -8.2MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-07-13 04:19:17,781 INFO L158 Benchmark]: Witness Printer took 33.30ms. Allocated memory is still 153.1MB. Free memory was 62.4MB in the beginning and 60.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:17,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.12ms. Allocated memory is still 104.9MB. Free memory was 75.5MB in the beginning and 74.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.76ms. Allocated memory is still 104.9MB. Free memory was 74.0MB in the beginning and 71.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.67ms. Allocated memory is still 104.9MB. Free memory was 71.5MB in the beginning and 69.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.32ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 54.2MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3183.77ms. Allocated memory was 104.9MB in the beginning and 153.1MB in the end (delta: 48.2MB). Free memory was 54.2MB in the beginning and 62.4MB in the end (delta: -8.2MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * Witness Printer took 33.30ms. Allocated memory is still 153.1MB. Free memory was 62.4MB in the beginning and 60.4MB in the end (delta: 2.1MB). 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 137 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 53 StatesRemovedByMinimization, 1 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, 625 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 625 mSDsluCounter, 468 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 210 mSDtfsCounter, 73 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 604]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28492e7b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@144ca554=0, NULL=0, retValue_acc=0, head=0, tmp___0=0, pumpRunning=0, NULL=1, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32c39da8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15fb7170=29, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@751bc784=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ebbf183=0, \result=1, retValue_acc=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14e623fb=0, tmp___2=29, \result=0, tmp=1, cleanupTimeShifts=4, switchedOnBeforeTS=0, \result=0, tmp___0=0, head=0, retValue_acc=1, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4051581e=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 604]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L176] int switchedOnBeforeTS ; [L394] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L664] int pumpRunning = 0; [L665] int systemActive = 1; [L809] int cleanupTimeShifts = 4; [L883] int retValue_acc ; [L884] int tmp ; [L888] FCALL select_helpers() [L889] FCALL select_features() [L890] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L890] RET, EXPR valid_product() [L890] tmp = valid_product() [L892] COND TRUE \read(tmp) [L894] FCALL setup() [L895] CALL runTest() [L876] CALL __utac_acc__Specification5_spec__1() [L181] switchedOnBeforeTS = 0 [L876] RET __utac_acc__Specification5_spec__1() [L877] CALL test() [L595] int splverifierCounter ; [L596] int tmp ; [L597] int tmp___0 ; [L598] int tmp___1 ; [L599] int tmp___2 ; [L602] splverifierCounter = 0 Loop: [L604] COND TRUE 1 [L606] COND TRUE splverifierCounter < 4 [L612] tmp = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp)) [L622] tmp___0 = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp___0)) [L632] tmp___2 = __VERIFIER_nondet_int() [L634] COND TRUE \read(tmp___2) [L636] CALL startSystem() [L795] systemActive = 1 [L636] RET startSystem() [L649] CALL timeShift() [L672] CALL __utac_acc__Specification5_spec__2() [L190] CALL, EXPR isPumpRunning() [L747] int retValue_acc ; [L750] retValue_acc = pumpRunning [L751] return (retValue_acc); [L190] RET, EXPR isPumpRunning() [L190] switchedOnBeforeTS = isPumpRunning() [L672] RET __utac_acc__Specification5_spec__2() [L674] COND FALSE !(\read(pumpRunning)) [L681] COND TRUE \read(systemActive) [L683] FCALL processEnvironment() [L689] CALL __utac_acc__Specification5_spec__3() [L196] int tmp ; [L197] int tmp___0 ; [L201] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L201] RET, EXPR getWaterLevel() [L201] tmp = getWaterLevel() [L203] COND TRUE tmp != 2 [L205] CALL, EXPR isPumpRunning() [L747] int retValue_acc ; [L750] retValue_acc = pumpRunning [L751] return (retValue_acc); [L205] RET, EXPR isPumpRunning() [L205] tmp___0 = isPumpRunning() [L207] COND FALSE !(\read(tmp___0)) [L689] RET __utac_acc__Specification5_spec__3() [L649] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:19:17,820 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)