./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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_product29.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 a52f3030559d2895f2e87e8df462d73474ae0a795c3864102f9df18ea4363ab3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:37:20,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:37:20,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:37:20,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:37:20,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:37:20,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:37:20,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:37:20,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:37:20,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:37:20,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:37:20,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:37:20,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:37:20,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:37:20,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:37:20,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:37:20,713 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:37:20,714 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:37:20,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:37:20,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:37:20,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:37:20,725 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:37:20,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:37:20,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:37:20,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:37:20,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:37:20,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:37:20,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:37:20,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:37:20,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:37:20,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:37:20,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:37:20,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:37:20,742 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:37:20,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:37:20,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:37:20,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:37:20,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:37:20,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:37:20,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:37:20,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:37:20,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:37:20,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:37:20,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:37:20,793 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:37:20,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:37:20,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:37:20,794 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:37:20,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:37:20,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:37:20,796 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:37:20,796 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:37:20,796 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:37:20,797 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:37:20,797 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:37:20,797 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:37:20,797 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:37:20,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:37:20,798 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:37:20,798 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:37:20,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:37:20,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:37:20,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:37:20,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:37:20,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:37:20,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:37:20,799 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:37:20,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:37:20,800 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:37:20,800 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:37:20,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:37:20,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:37:20,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:37:20,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:37:20,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:37:20,803 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:37:20,804 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a52f3030559d2895f2e87e8df462d73474ae0a795c3864102f9df18ea4363ab3 [2022-07-22 02:37:21,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:37:21,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:37:21,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:37:21,218 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:37:21,229 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:37:21,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2022-07-22 02:37:21,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5678f58dd/7b69980da9994683b988699f94acfe14/FLAGfe2e3b6de [2022-07-22 02:37:21,853 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:37:21,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2022-07-22 02:37:21,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5678f58dd/7b69980da9994683b988699f94acfe14/FLAGfe2e3b6de [2022-07-22 02:37:22,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5678f58dd/7b69980da9994683b988699f94acfe14 [2022-07-22 02:37:22,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:37:22,312 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:37:22,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:37:22,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:37:22,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:37:22,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41847bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22, skipping insertion in model container [2022-07-22 02:37:22,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:37:22,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:37:22,552 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_product29.cil.c[5259,5272] [2022-07-22 02:37:22,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:37:22,635 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:37:22,658 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_product29.cil.c[5259,5272] [2022-07-22 02:37:22,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:37:22,733 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:37:22,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22 WrapperNode [2022-07-22 02:37:22,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:37:22,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:37:22,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:37:22,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:37:22,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,791 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 53, calls inlined = 78, statements flattened = 573 [2022-07-22 02:37:22,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:37:22,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:37:22,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:37:22,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:37:22,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:37:22,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:37:22,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:37:22,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:37:22,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:37:22,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:37:22,870 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) [2022-07-22 02:37:22,872 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 [2022-07-22 02:37:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:37:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:37:22,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:37:22,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:37:22,995 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:37:22,997 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:37:23,427 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:37:23,434 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:37:23,434 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 02:37:23,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:37:23 BoogieIcfgContainer [2022-07-22 02:37:23,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:37:23,437 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:37:23,437 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:37:23,440 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:37:23,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:37:23,440 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:37:22" (1/3) ... [2022-07-22 02:37:23,443 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1497e8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:37:23, skipping insertion in model container [2022-07-22 02:37:23,443 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:37:23,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22" (2/3) ... [2022-07-22 02:37:23,443 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1497e8f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:37:23, skipping insertion in model container [2022-07-22 02:37:23,443 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:37:23,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:37:23" (3/3) ... [2022-07-22 02:37:23,445 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2022-07-22 02:37:23,506 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:37:23,506 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:37:23,506 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:37:23,507 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:37:23,507 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:37:23,507 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:37:23,507 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:37:23,508 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:37:23,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.3594771241830066) internal successors, (208), 153 states have internal predecessors, (208), 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) [2022-07-22 02:37:23,550 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2022-07-22 02:37:23,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:23,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:23,558 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:23,559 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:23,559 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:37:23,566 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.3594771241830066) internal successors, (208), 153 states have internal predecessors, (208), 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) [2022-07-22 02:37:23,571 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2022-07-22 02:37:23,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:23,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:23,572 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:23,573 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:23,582 INFO L752 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 55#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 93#L494true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 24#L487true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 56#L502true main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 7#L419true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 98#L391true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 69#L439true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#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; 117#L268-2true [2022-07-22 02:37:23,582 INFO L754 eck$LassoCheckResult]: Loop: 117#L268-2true assume !false; 75#L269true assume test_~splverifierCounter~0#1 < 4; 13#L270true test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 153#L278true assume !(0 != test_~tmp~4#1); 4#L278-2true test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 42#L288true assume !(0 != test_~tmp___0~1#1); 63#L288-2true test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 45#L298true assume 0 != test_~tmp___2~0#1; 108#L304-2true assume { :begin_inline_timeShift } true; 139#L67true assume !(0 != ~pumpRunning~0); 23#L67-2true assume !(0 != ~systemActive~0); 113#L74-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 35#L551-1true __utac_acc__Specification2_spec__2_#t~ret22#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret22#1;havoc __utac_acc__Specification2_spec__2_#t~ret22#1; 106#L450true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 60#L450-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 137#L84true assume { :end_inline_timeShift } true; 117#L268-2true [2022-07-22 02:37:23,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:23,588 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-22 02:37:23,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:23,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624966745] [2022-07-22 02:37:23,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:23,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:23,760 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:23,823 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:23,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:23,826 INFO L85 PathProgramCache]: Analyzing trace with hash -947890230, now seen corresponding path program 1 times [2022-07-22 02:37:23,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:23,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340975234] [2022-07-22 02:37:23,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:23,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:23,851 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:23,860 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:23,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:23,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1110177613, now seen corresponding path program 1 times [2022-07-22 02:37:23,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:23,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828029908] [2022-07-22 02:37:23,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:23,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:37:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:37:23,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:37:23,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828029908] [2022-07-22 02:37:23,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828029908] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:37:23,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:37:23,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 02:37:23,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461529049] [2022-07-22 02:37:23,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:37:24,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:37:24,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 02:37:24,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 02:37:24,138 INFO L87 Difference]: Start difference. First operand has 154 states, 153 states have (on average 1.3594771241830066) internal successors, (208), 153 states have internal predecessors, (208), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-07-22 02:37:24,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:37:24,204 INFO L93 Difference]: Finished difference Result 151 states and 194 transitions. [2022-07-22 02:37:24,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 02:37:24,209 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 194 transitions. [2022-07-22 02:37:24,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2022-07-22 02:37:24,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 141 states and 184 transitions. [2022-07-22 02:37:24,218 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141 [2022-07-22 02:37:24,219 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141 [2022-07-22 02:37:24,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 184 transitions. [2022-07-22 02:37:24,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:37:24,221 INFO L369 hiAutomatonCegarLoop]: Abstraction has 141 states and 184 transitions. [2022-07-22 02:37:24,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 184 transitions. [2022-07-22 02:37:24,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-07-22 02:37:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.3049645390070923) internal successors, (184), 140 states have internal predecessors, (184), 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) [2022-07-22 02:37:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 184 transitions. [2022-07-22 02:37:24,281 INFO L392 hiAutomatonCegarLoop]: Abstraction has 141 states and 184 transitions. [2022-07-22 02:37:24,281 INFO L374 stractBuchiCegarLoop]: Abstraction has 141 states and 184 transitions. [2022-07-22 02:37:24,281 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:37:24,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 184 transitions. [2022-07-22 02:37:24,283 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2022-07-22 02:37:24,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:24,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:24,284 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:24,284 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] [2022-07-22 02:37:24,284 INFO L752 eck$LassoCheckResult]: Stem: 462#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 404#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 405#L494 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 356#L487 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 357#L502 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 333#L419 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 334#L391 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 417#L439 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#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; 418#L268-2 [2022-07-22 02:37:24,284 INFO L754 eck$LassoCheckResult]: Loop: 418#L268-2 assume !false; 421#L269 assume test_~splverifierCounter~0#1 < 4; 344#L270 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 345#L278 assume !(0 != test_~tmp~4#1); 325#L278-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 326#L288 assume !(0 != test_~tmp___0~1#1); 353#L288-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 388#L298 assume 0 != test_~tmp___2~0#1; 389#L304-2 assume { :begin_inline_timeShift } true; 452#L67 assume !(0 != ~pumpRunning~0); 354#L67-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 355#L125 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 445#L99-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 459#L91-3 assume { :end_inline_processEnvironment__wrappee__base } true; 430#L99-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 371#L125-1 assume { :end_inline_processEnvironment } true; 372#L74-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 373#L551-1 __utac_acc__Specification2_spec__2_#t~ret22#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret22#1;havoc __utac_acc__Specification2_spec__2_#t~ret22#1; 374#L450 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 332#L450-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 408#L84 assume { :end_inline_timeShift } true; 418#L268-2 [2022-07-22 02:37:24,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:24,285 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-22 02:37:24,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:24,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464346479] [2022-07-22 02:37:24,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:24,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,298 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:24,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:24,312 INFO L85 PathProgramCache]: Analyzing trace with hash -571727994, now seen corresponding path program 1 times [2022-07-22 02:37:24,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:24,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702376930] [2022-07-22 02:37:24,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:24,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,318 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:24,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:24,323 INFO L85 PathProgramCache]: Analyzing trace with hash -973105091, now seen corresponding path program 1 times [2022-07-22 02:37:24,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:24,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355019781] [2022-07-22 02:37:24,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:24,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,338 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:27,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:37:27 BoogieIcfgContainer [2022-07-22 02:37:27,390 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:37:27,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:37:27,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:37:27,391 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:37:27,395 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:37:23" (3/4) ... [2022-07-22 02:37:27,398 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:37:27,447 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:37:27,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:37:27,449 INFO L158 Benchmark]: Toolchain (without parser) took 5136.26ms. Allocated memory was 52.4MB in the beginning and 83.9MB in the end (delta: 31.5MB). Free memory was 29.0MB in the beginning and 39.9MB in the end (delta: -10.9MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,449 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 52.4MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:37:27,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.09ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 28.8MB in the beginning and 44.8MB in the end (delta: -15.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.79ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 41.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,450 INFO L158 Benchmark]: Boogie Preprocessor took 40.35ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 39.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,451 INFO L158 Benchmark]: RCFGBuilder took 595.90ms. Allocated memory is still 69.2MB. Free memory was 39.2MB in the beginning and 34.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,451 INFO L158 Benchmark]: BuchiAutomizer took 3952.62ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 34.6MB in the beginning and 42.9MB in the end (delta: -8.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,452 INFO L158 Benchmark]: Witness Printer took 57.78ms. Allocated memory is still 83.9MB. Free memory was 42.9MB in the beginning and 39.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 52.4MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.09ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 28.8MB in the beginning and 44.8MB in the end (delta: -15.9MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.79ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 41.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.35ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 39.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 595.90ms. Allocated memory is still 69.2MB. Free memory was 39.2MB in the beginning and 34.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3952.62ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 34.6MB in the beginning and 42.9MB in the end (delta: -8.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Witness Printer took 57.78ms. Allocated memory is still 83.9MB. Free memory was 42.9MB in the beginning and 39.9MB in the end (delta: 2.9MB). 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 6 locations. The remainder module has 141 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. 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, 572 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 572 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 189 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 268]: 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@5f69c142=0, NULL=0, tmp=0, head=0, tmp___0=0, pumpRunning=0, retValue_acc=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a459e15=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7a8becf4=0, methaneLevelCritical=0, retValue_acc=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ed4566e=0, \result=0, retValue_acc=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cae7cd7=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4194d226=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@465cfdb=0, tmp___2=29, methAndRunningLastTime=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67c4059=0, cleanupTimeShifts=4, tmp=1, \result=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48301f50=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 268]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L332] int cleanupTimeShifts = 4; [L433] int methAndRunningLastTime ; [L508] int waterLevel = 1; [L509] int methaneLevelCritical = 0; [L766] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L410] int retValue_acc ; [L411] int tmp ; [L415] FCALL select_helpers() [L416] FCALL select_features() [L417] CALL, EXPR valid_product() [L498] int retValue_acc ; [L501] retValue_acc = 1 [L502] return (retValue_acc); [L417] RET, EXPR valid_product() [L417] tmp = valid_product() [L419] COND TRUE \read(tmp) [L421] FCALL setup() [L422] CALL runTest() [L400] CALL __utac_acc__Specification2_spec__1() [L438] methAndRunningLastTime = 0 [L400] RET __utac_acc__Specification2_spec__1() [L401] CALL test() [L259] int splverifierCounter ; [L260] int tmp ; [L261] int tmp___0 ; [L262] int tmp___1 ; [L263] int tmp___2 ; [L266] splverifierCounter = 0 Loop: [L268] COND TRUE 1 [L270] COND TRUE splverifierCounter < 4 [L276] tmp = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp)) [L286] tmp___0 = __VERIFIER_nondet_int() [L288] COND FALSE !(\read(tmp___0)) [L296] tmp___2 = __VERIFIER_nondet_int() [L298] COND TRUE \read(tmp___2) [L311] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L122] int tmp ; [L125] COND FALSE !(\read(pumpRunning)) [L140] CALL processEnvironment__wrappee__methaneQuery() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__base() [L140] RET processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification2_spec__2() [L443] int tmp ; [L444] int tmp___0 ; [L448] CALL, EXPR isMethaneLevelCritical() [L547] int retValue_acc ; [L550] retValue_acc = methaneLevelCritical [L551] return (retValue_acc); [L448] RET, EXPR isMethaneLevelCritical() [L448] tmp = isMethaneLevelCritical() [L450] COND FALSE !(\read(tmp)) [L466] methAndRunningLastTime = 0 [L82] RET __utac_acc__Specification2_spec__2() [L311] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:37:27,496 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)