./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product10.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_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 4dae96e0c4eed470a791b2d8d52884fccffefaebe65a821ad8af6206bc44af61 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:25:35,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:25:35,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:25:35,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:25:35,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:25:35,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:25:35,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:25:35,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:25:35,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:25:35,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:25:35,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:25:35,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:25:35,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:25:35,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:25:35,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:25:35,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:25:35,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:25:35,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:25:35,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:25:35,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:25:35,599 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:25:35,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:25:35,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:25:35,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:25:35,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:25:35,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:25:35,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:25:35,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:25:35,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:25:35,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:25:35,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:25:35,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:25:35,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:25:35,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:25:35,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:25:35,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:25:35,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:25:35,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:25:35,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:25:35,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:25:35,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:25:35,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:25:35,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:25:35,640 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:25:35,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:25:35,641 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:25:35,641 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:25:35,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:25:35,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:25:35,642 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:25:35,643 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:25:35,643 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:25:35,643 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:25:35,643 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:25:35,644 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:25:35,644 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:25:35,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:25:35,644 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:25:35,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:25:35,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:25:35,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:25:35,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:25:35,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:25:35,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:25:35,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:25:35,646 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:25:35,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:25:35,646 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:25:35,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:25:35,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:25:35,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:25:35,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:25:35,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:25:35,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:25:35,648 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:25:35,648 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4dae96e0c4eed470a791b2d8d52884fccffefaebe65a821ad8af6206bc44af61 [2022-07-23 15:25:35,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:25:35,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:25:35,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:25:35,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:25:35,864 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:25:35,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2022-07-23 15:25:35,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880349907/fc1b82216842444aaa0b8e39effaff34/FLAGbac9df230 [2022-07-23 15:25:36,323 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:25:36,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product10.cil.c [2022-07-23 15:25:36,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880349907/fc1b82216842444aaa0b8e39effaff34/FLAGbac9df230 [2022-07-23 15:25:36,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/880349907/fc1b82216842444aaa0b8e39effaff34 [2022-07-23 15:25:36,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:25:36,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:25:36,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:25:36,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:25:36,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:25:36,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38463a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36, skipping insertion in model container [2022-07-23 15:25:36,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:25:36,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:25:36,505 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_product10.cil.c[1605,1618] [2022-07-23 15:25:36,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:25:36,639 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:25:36,654 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_product10.cil.c[1605,1618] [2022-07-23 15:25:36,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:25:36,702 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:25:36,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36 WrapperNode [2022-07-23 15:25:36,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:25:36,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:25:36,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:25:36,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:25:36,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,743 INFO L137 Inliner]: procedures = 52, calls = 148, calls flagged for inlining = 45, calls inlined = 34, statements flattened = 297 [2022-07-23 15:25:36,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:25:36,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:25:36,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:25:36,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:25:36,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,763 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:25:36,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:25:36,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:25:36,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:25:36,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36" (1/1) ... [2022-07-23 15:25:36,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:25:36,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:25:36,795 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 15:25:36,797 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 15:25:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:25:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:25:36,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:25:36,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:25:36,868 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:25:36,869 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:25:37,037 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:25:37,041 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:25:37,042 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 15:25:37,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:25:37 BoogieIcfgContainer [2022-07-23 15:25:37,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:25:37,044 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:25:37,044 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:25:37,046 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:25:37,046 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:25:37,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:25:36" (1/3) ... [2022-07-23 15:25:37,047 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a1c3063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:25:37, skipping insertion in model container [2022-07-23 15:25:37,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:25:37,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:36" (2/3) ... [2022-07-23 15:25:37,048 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a1c3063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:25:37, skipping insertion in model container [2022-07-23 15:25:37,048 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:25:37,048 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:25:37" (3/3) ... [2022-07-23 15:25:37,049 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2022-07-23 15:25:37,081 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:25:37,081 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:25:37,081 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:25:37,081 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:25:37,081 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:25:37,082 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:25:37,082 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:25:37,082 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:25:37,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 80 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 79 states have internal predecessors, (110), 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 15:25:37,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2022-07-23 15:25:37,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:37,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:37,103 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:37,103 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 15:25:37,103 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:25:37,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 80 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 79 states have internal predecessors, (110), 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 15:25:37,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2022-07-23 15:25:37,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:37,109 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:37,109 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:37,110 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 15:25:37,113 INFO L752 eck$LassoCheckResult]: Stem: 66#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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 58#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#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; 80#L536true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 35#L529true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 57#L544true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 32#L879true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 21#L855true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 4#L763true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 26#L562-2true [2022-07-23 15:25:37,113 INFO L754 eck$LassoCheckResult]: Loop: 26#L562-2true assume !false; 77#L563true assume test_~splverifierCounter~0#1 < 4; 22#L564true test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 55#L572true assume !(0 != test_~tmp~3#1); 28#L572-2true test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 74#L582true assume !(0 != test_~tmp___0~0#1); 43#L582-2true test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 25#L592true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 76#L753true assume { :end_inline_startSystem } true; 59#L600-2true assume { :begin_inline_timeShift } true; 6#L631true assume !(0 != ~pumpRunning~0); 29#L631-2true assume !(0 != ~systemActive~0); 63#L638-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 34#L108true __utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 30#L774true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 60#L774-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 79#L648true assume { :end_inline_timeShift } true; 26#L562-2true [2022-07-23 15:25:37,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:37,117 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-23 15:25:37,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:37,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639848118] [2022-07-23 15:25:37,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:37,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:37,255 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:37,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:37,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:37,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1368168009, now seen corresponding path program 1 times [2022-07-23 15:25:37,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:37,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930759475] [2022-07-23 15:25:37,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:37,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:25:37,338 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 15:25:37,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:25:37,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930759475] [2022-07-23 15:25:37,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930759475] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:25:37,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:25:37,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:25:37,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256770205] [2022-07-23 15:25:37,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:25:37,343 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:25:37,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:25:37,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:25:37,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:25:37,379 INFO L87 Difference]: Start difference. First operand has 80 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 79 states have internal predecessors, (110), 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 15:25:37,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:25:37,427 INFO L93 Difference]: Finished difference Result 77 states and 97 transitions. [2022-07-23 15:25:37,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:25:37,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 97 transitions. [2022-07-23 15:25:37,437 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2022-07-23 15:25:37,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 67 states and 86 transitions. [2022-07-23 15:25:37,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2022-07-23 15:25:37,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2022-07-23 15:25:37,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 86 transitions. [2022-07-23 15:25:37,446 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:25:37,446 INFO L369 hiAutomatonCegarLoop]: Abstraction has 67 states and 86 transitions. [2022-07-23 15:25:37,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 86 transitions. [2022-07-23 15:25:37,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-07-23 15:25:37,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 66 states have internal predecessors, (86), 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 15:25:37,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2022-07-23 15:25:37,467 INFO L392 hiAutomatonCegarLoop]: Abstraction has 67 states and 86 transitions. [2022-07-23 15:25:37,467 INFO L374 stractBuchiCegarLoop]: Abstraction has 67 states and 86 transitions. [2022-07-23 15:25:37,467 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:25:37,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 86 transitions. [2022-07-23 15:25:37,472 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2022-07-23 15:25:37,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:37,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:37,473 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:37,473 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:37,473 INFO L752 eck$LassoCheckResult]: Stem: 230#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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 225#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#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; 226#L536 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 208#L529 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 209#L544 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 204#L879 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 188#L855 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 166#L763 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 167#L562-2 [2022-07-23 15:25:37,473 INFO L754 eck$LassoCheckResult]: Loop: 167#L562-2 assume !false; 198#L563 assume test_~splverifierCounter~0#1 < 4; 191#L564 test_~tmp~3#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 192#L572 assume !(0 != test_~tmp~3#1); 201#L572-2 test_~tmp___0~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 202#L582 assume !(0 != test_~tmp___0~0#1); 216#L582-2 test_~tmp___2~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 195#L592 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 196#L753 assume { :end_inline_startSystem } true; 221#L600-2 assume { :begin_inline_timeShift } true; 170#L631 assume !(0 != ~pumpRunning~0); 171#L631-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 199#L655 assume { :end_inline_processEnvironment } true; 220#L638-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 207#L108 __utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 200#L774 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0; 182#L774-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 227#L648 assume { :end_inline_timeShift } true; 167#L562-2 [2022-07-23 15:25:37,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:37,474 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-23 15:25:37,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:37,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225487557] [2022-07-23 15:25:37,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:37,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:37,492 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:37,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:37,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:37,530 INFO L85 PathProgramCache]: Analyzing trace with hash 91436236, now seen corresponding path program 1 times [2022-07-23 15:25:37,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:37,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815150494] [2022-07-23 15:25:37,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:37,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:37,536 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:37,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:37,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:37,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1247916171, now seen corresponding path program 1 times [2022-07-23 15:25:37,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:37,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183780859] [2022-07-23 15:25:37,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:37,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:37,560 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:37,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:40,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:25:40 BoogieIcfgContainer [2022-07-23 15:25:40,130 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:25:40,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:25:40,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:25:40,130 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:25:40,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:25:37" (3/4) ... [2022-07-23 15:25:40,133 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-23 15:25:40,173 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-23 15:25:40,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:25:40,174 INFO L158 Benchmark]: Toolchain (without parser) took 3826.28ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 75.9MB in the beginning and 111.8MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:25:40,174 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:25:40,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.02ms. Allocated memory is still 111.1MB. Free memory was 75.8MB in the beginning and 76.6MB in the end (delta: -788.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 15:25:40,175 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.76ms. Allocated memory is still 111.1MB. Free memory was 76.6MB in the beginning and 73.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-23 15:25:40,175 INFO L158 Benchmark]: Boogie Preprocessor took 20.99ms. Allocated memory is still 111.1MB. Free memory was 73.9MB in the beginning and 72.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:25:40,176 INFO L158 Benchmark]: RCFGBuilder took 274.74ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 57.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-23 15:25:40,176 INFO L158 Benchmark]: BuchiAutomizer took 3085.96ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 57.0MB in the beginning and 113.9MB in the end (delta: -56.9MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2022-07-23 15:25:40,176 INFO L158 Benchmark]: Witness Printer took 43.35ms. Allocated memory is still 140.5MB. Free memory was 113.9MB in the beginning and 111.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:40,178 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 79.7MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.02ms. Allocated memory is still 111.1MB. Free memory was 75.8MB in the beginning and 76.6MB in the end (delta: -788.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.76ms. Allocated memory is still 111.1MB. Free memory was 76.6MB in the beginning and 73.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.99ms. Allocated memory is still 111.1MB. Free memory was 73.9MB in the beginning and 72.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 274.74ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 57.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3085.96ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 57.0MB in the beginning and 113.9MB in the end (delta: -56.9MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Witness Printer took 43.35ms. Allocated memory is still 140.5MB. Free memory was 113.9MB in the beginning and 111.8MB 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 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 67 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. 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, 92 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 94 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, 94 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: 562]: 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, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a07799d=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2260723a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58506da5=0, tmp___0=0, NULL=1, methaneLevelCritical=0, tmp=0, retValue_acc=1, \result=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58da367a=0, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ea32d65=29, tmp___2=29, methAndRunningLastTime=0, tmp=1, cleanupTimeShifts=4, tmp=0, \result=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19b7122f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@769c4716=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 562]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L65] int waterLevel = 1; [L66] int methaneLevelCritical = 0; [L314] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L623] int pumpRunning = 0; [L624] int systemActive = 1; [L757] int methAndRunningLastTime ; [L796] int cleanupTimeShifts = 4; [L870] int retValue_acc ; [L871] int tmp ; [L875] FCALL select_helpers() [L876] FCALL select_features() [L877] CALL, EXPR valid_product() [L540] int retValue_acc ; [L543] retValue_acc = 1 [L544] return (retValue_acc); [L877] RET, EXPR valid_product() [L877] tmp = valid_product() [L879] COND TRUE \read(tmp) [L881] FCALL setup() [L882] CALL runTest() [L863] CALL __utac_acc__Specification2_spec__1() [L762] methAndRunningLastTime = 0 [L863] RET __utac_acc__Specification2_spec__1() [L864] CALL test() [L553] int splverifierCounter ; [L554] int tmp ; [L555] int tmp___0 ; [L556] int tmp___1 ; [L557] int tmp___2 ; [L560] splverifierCounter = 0 Loop: [L562] COND TRUE 1 [L564] COND TRUE splverifierCounter < 4 [L570] tmp = __VERIFIER_nondet_int() [L572] COND FALSE !(\read(tmp)) [L580] tmp___0 = __VERIFIER_nondet_int() [L582] COND FALSE !(\read(tmp___0)) [L590] tmp___2 = __VERIFIER_nondet_int() [L592] COND TRUE \read(tmp___2) [L594] CALL startSystem() [L752] systemActive = 1 [L594] RET startSystem() [L607] CALL timeShift() [L631] COND FALSE !(\read(pumpRunning)) [L638] COND TRUE \read(systemActive) [L640] FCALL processEnvironment() [L646] CALL __utac_acc__Specification2_spec__2() [L767] int tmp ; [L768] int tmp___0 ; [L772] CALL, EXPR isMethaneLevelCritical() [L104] int retValue_acc ; [L107] retValue_acc = methaneLevelCritical [L108] return (retValue_acc); [L772] RET, EXPR isMethaneLevelCritical() [L772] tmp = isMethaneLevelCritical() [L774] COND FALSE !(\read(tmp)) [L790] methAndRunningLastTime = 0 [L646] RET __utac_acc__Specification2_spec__2() [L607] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-23 15:25:40,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- 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)