./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product25.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_spec3_product25.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 5af7a19aabc47c6ad0d023db96d81a1e5e3db737faffc67c3935346aa9890fbf --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:37:58,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:37:58,611 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:37:58,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:37:58,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:37:58,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:37:58,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:37:58,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:37:58,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:37:58,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:37:58,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:37:58,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:37:58,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:37:58,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:37:58,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:37:58,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:37:58,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:37:58,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:37:58,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:37:58,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:37:58,691 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:37:58,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:37:58,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:37:58,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:37:58,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:37:58,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:37:58,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:37:58,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:37:58,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:37:58,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:37:58,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:37:58,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:37:58,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:37:58,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:37:58,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:37:58,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:37:58,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:37:58,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:37:58,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:37:58,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:37:58,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:37:58,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:37:58,724 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:37:58,749 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:37:58,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:37:58,750 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:37:58,751 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:37:58,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:37:58,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:37:58,752 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:37:58,753 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:37:58,753 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:37:58,754 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:37:58,754 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:37:58,754 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:37:58,754 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:37:58,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:37:58,755 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:37:58,755 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:37:58,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:37:58,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:37:58,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:37:58,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:37:58,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:37:58,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:37:58,756 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:37:58,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:37:58,757 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:37:58,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:37:58,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:37:58,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:37:58,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:37:58,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:37:58,758 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:37:58,761 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:37:58,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5af7a19aabc47c6ad0d023db96d81a1e5e3db737faffc67c3935346aa9890fbf [2022-07-22 02:37:59,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:37:59,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:37:59,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:37:59,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:37:59,111 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:37:59,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2022-07-22 02:37:59,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bdf153dd/90693e4aba134d14bff44b3f3e869220/FLAG1c74daf3c [2022-07-22 02:37:59,719 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:37:59,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product25.cil.c [2022-07-22 02:37:59,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bdf153dd/90693e4aba134d14bff44b3f3e869220/FLAG1c74daf3c [2022-07-22 02:38:00,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bdf153dd/90693e4aba134d14bff44b3f3e869220 [2022-07-22 02:38:00,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:38:00,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:38:00,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:38:00,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:38:00,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:38:00,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:38:00" (1/1) ... [2022-07-22 02:38:00,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19784693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00, skipping insertion in model container [2022-07-22 02:38:00,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:38:00" (1/1) ... [2022-07-22 02:38:00,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:38:00,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:38:00,224 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_spec3_product25.cil.c[2191,2204] [2022-07-22 02:38:00,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:38:00,359 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:38:00,380 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_spec3_product25.cil.c[2191,2204] [2022-07-22 02:38:00,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:38:00,468 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:38:00,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00 WrapperNode [2022-07-22 02:38:00,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:38:00,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:38:00,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:38:00,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:38:00,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00" (1/1) ... [2022-07-22 02:38:00,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00" (1/1) ... [2022-07-22 02:38:00,532 INFO L137 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 49, calls inlined = 50, statements flattened = 410 [2022-07-22 02:38:00,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:38:00,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:38:00,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:38:00,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:38:00,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00" (1/1) ... [2022-07-22 02:38:00,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00" (1/1) ... [2022-07-22 02:38:00,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00" (1/1) ... [2022-07-22 02:38:00,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00" (1/1) ... [2022-07-22 02:38:00,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00" (1/1) ... [2022-07-22 02:38:00,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00" (1/1) ... [2022-07-22 02:38:00,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00" (1/1) ... [2022-07-22 02:38:00,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:38:00,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:38:00,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:38:00,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:38:00,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00" (1/1) ... [2022-07-22 02:38:00,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:38:00,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:38:00,637 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 02:38:00,659 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 02:38:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:38:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:38:00,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:38:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:38:00,767 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:38:00,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:38:01,104 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:38:01,119 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:38:01,119 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 02:38:01,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:38:01 BoogieIcfgContainer [2022-07-22 02:38:01,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:38:01,124 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:38:01,124 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:38:01,127 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:38:01,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:38:01,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:38:00" (1/3) ... [2022-07-22 02:38:01,128 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76c82eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:38:01, skipping insertion in model container [2022-07-22 02:38:01,129 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:38:01,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:38:00" (2/3) ... [2022-07-22 02:38:01,129 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76c82eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:38:01, skipping insertion in model container [2022-07-22 02:38:01,129 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:38:01,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:38:01" (3/3) ... [2022-07-22 02:38:01,131 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product25.cil.c [2022-07-22 02:38:01,192 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:38:01,193 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:38:01,193 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:38:01,193 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:38:01,193 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:38:01,193 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:38:01,193 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:38:01,194 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:38:01,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 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 02:38:01,220 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-07-22 02:38:01,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:38:01,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:38:01,228 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:01,242 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 02:38:01,242 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:38:01,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 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 02:38:01,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2022-07-22 02:38:01,247 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:38:01,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:38:01,248 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:01,248 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 02:38:01,253 INFO L752 eck$LassoCheckResult]: Stem: 94#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 32#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 106#L582true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 13#L575true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 36#L590true main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 100#L680true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 77#L656true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 66#L876-2true [2022-07-22 02:38:01,253 INFO L754 eck$LassoCheckResult]: Loop: 66#L876-2true assume !false; 22#L877true assume test_~splverifierCounter~0#1 < 4; 39#L878true test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 108#L886true assume !(0 != test_~tmp~8#1); 12#L886-2true test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 9#L896true assume !(0 != test_~tmp___0~2#1); 54#L896-2true test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 85#L906true assume 0 != test_~tmp___2~0#1; 56#L912-2true assume { :begin_inline_timeShift } true; 10#L703true assume !(0 != ~pumpRunning~0); 76#L703-2true assume !(0 != ~systemActive~0); 47#L710-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 53#L511true __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 5#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 105#L69-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 27#L720true assume { :end_inline_timeShift } true; 66#L876-2true [2022-07-22 02:38:01,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:01,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-22 02:38:01,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:01,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877260166] [2022-07-22 02:38:01,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:01,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:01,399 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:01,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:01,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:01,457 INFO L85 PathProgramCache]: Analyzing trace with hash -828899402, now seen corresponding path program 1 times [2022-07-22 02:38:01,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:01,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482170188] [2022-07-22 02:38:01,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:01,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:01,478 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:01,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:01,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:01,496 INFO L85 PathProgramCache]: Analyzing trace with hash 526519674, now seen corresponding path program 1 times [2022-07-22 02:38:01,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:01,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739962262] [2022-07-22 02:38:01,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:01,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:38:01,659 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 02:38:01,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:38:01,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739962262] [2022-07-22 02:38:01,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739962262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:38:01,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:38:01,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 02:38:01,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855642256] [2022-07-22 02:38:01,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:38:01,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:38:01,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 02:38:01,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 02:38:01,827 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 02:38:01,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:38:01,889 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2022-07-22 02:38:01,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 02:38:01,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 133 transitions. [2022-07-22 02:38:01,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-07-22 02:38:01,908 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 95 states and 123 transitions. [2022-07-22 02:38:01,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2022-07-22 02:38:01,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2022-07-22 02:38:01,910 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 123 transitions. [2022-07-22 02:38:01,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:38:01,911 INFO L369 hiAutomatonCegarLoop]: Abstraction has 95 states and 123 transitions. [2022-07-22 02:38:01,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 123 transitions. [2022-07-22 02:38:01,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-07-22 02:38:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 95 states have (on average 1.2947368421052632) internal successors, (123), 94 states have internal predecessors, (123), 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 02:38:01,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2022-07-22 02:38:01,940 INFO L392 hiAutomatonCegarLoop]: Abstraction has 95 states and 123 transitions. [2022-07-22 02:38:01,940 INFO L374 stractBuchiCegarLoop]: Abstraction has 95 states and 123 transitions. [2022-07-22 02:38:01,940 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:38:01,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 123 transitions. [2022-07-22 02:38:01,942 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-07-22 02:38:01,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:38:01,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:38:01,943 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:01,943 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:01,943 INFO L752 eck$LassoCheckResult]: Stem: 324#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 316#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 317#L582 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 271#L575 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 272#L590 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 320#L680 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 306#L656 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 295#L876-2 [2022-07-22 02:38:01,944 INFO L754 eck$LassoCheckResult]: Loop: 295#L876-2 assume !false; 287#L877 assume test_~splverifierCounter~0#1 < 4; 288#L878 test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 322#L886 assume !(0 != test_~tmp~8#1); 268#L886-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 263#L896 assume !(0 != test_~tmp___0~2#1); 243#L896-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 244#L906 assume 0 != test_~tmp___2~0#1; 249#L912-2 assume { :begin_inline_timeShift } true; 250#L703 assume !(0 != ~pumpRunning~0); 260#L703-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 305#L735 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 247#L727-1 assume { :end_inline_processEnvironment__wrappee__base } true; 248#L735-1 assume { :end_inline_processEnvironment } true; 325#L710-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 241#L511 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 242#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 245#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 311#L720 assume { :end_inline_timeShift } true; 295#L876-2 [2022-07-22 02:38:01,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:01,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-22 02:38:01,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:01,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335471074] [2022-07-22 02:38:01,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:01,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:01,960 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:01,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:01,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:01,985 INFO L85 PathProgramCache]: Analyzing trace with hash -646847051, now seen corresponding path program 1 times [2022-07-22 02:38:01,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:01,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191831319] [2022-07-22 02:38:01,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:01,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:01,990 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:01,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:01,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:01,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1655296369, now seen corresponding path program 1 times [2022-07-22 02:38:01,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:01,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785862749] [2022-07-22 02:38:01,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:01,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:38:02,043 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 02:38:02,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:38:02,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785862749] [2022-07-22 02:38:02,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785862749] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:38:02,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:38:02,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 02:38:02,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982819319] [2022-07-22 02:38:02,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:38:02,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:38:02,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 02:38:02,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 02:38:02,162 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 02:38:02,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:38:02,269 INFO L93 Difference]: Finished difference Result 337 states and 441 transitions. [2022-07-22 02:38:02,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 02:38:02,270 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 337 states and 441 transitions. [2022-07-22 02:38:02,274 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 239 [2022-07-22 02:38:02,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 337 states to 337 states and 441 transitions. [2022-07-22 02:38:02,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 337 [2022-07-22 02:38:02,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 337 [2022-07-22 02:38:02,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 337 states and 441 transitions. [2022-07-22 02:38:02,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:38:02,279 INFO L369 hiAutomatonCegarLoop]: Abstraction has 337 states and 441 transitions. [2022-07-22 02:38:02,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states and 441 transitions. [2022-07-22 02:38:02,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 183. [2022-07-22 02:38:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 183 states have (on average 1.284153005464481) internal successors, (235), 182 states have internal predecessors, (235), 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 02:38:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 235 transitions. [2022-07-22 02:38:02,292 INFO L392 hiAutomatonCegarLoop]: Abstraction has 183 states and 235 transitions. [2022-07-22 02:38:02,292 INFO L374 stractBuchiCegarLoop]: Abstraction has 183 states and 235 transitions. [2022-07-22 02:38:02,292 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 02:38:02,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states and 235 transitions. [2022-07-22 02:38:02,294 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2022-07-22 02:38:02,294 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:38:02,294 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:38:02,295 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:38:02,295 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 02:38:02,295 INFO L752 eck$LassoCheckResult]: Stem: 794#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 783#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 784#L582 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 725#L575 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 726#L590 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 787#L680 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 766#L656 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 767#L876-2 [2022-07-22 02:38:02,295 INFO L754 eck$LassoCheckResult]: Loop: 767#L876-2 assume !false; 839#L877 assume test_~splverifierCounter~0#1 < 4; 840#L878 test_~tmp~8#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 800#L886 assume !(0 != test_~tmp~8#1); 721#L886-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 722#L896 assume !(0 != test_~tmp___0~2#1); 861#L896-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 860#L906 assume 0 != test_~tmp___2~0#1; 858#L912-2 assume { :begin_inline_timeShift } true; 717#L703 assume !(0 != ~pumpRunning~0); 711#L703-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 851#L735 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 848#L727-1 assume { :end_inline_processEnvironment__wrappee__base } true; 845#L735-1 assume { :end_inline_processEnvironment } true; 843#L710-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 691#L511 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 692#L63 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 789#L543 __utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 790#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 842#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 841#L720 assume { :end_inline_timeShift } true; 767#L876-2 [2022-07-22 02:38:02,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:02,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-07-22 02:38:02,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:02,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897767436] [2022-07-22 02:38:02,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:02,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:02,311 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:02,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:02,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:02,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1151493224, now seen corresponding path program 1 times [2022-07-22 02:38:02,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:02,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604907434] [2022-07-22 02:38:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:02,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:02,326 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:02,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:02,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:38:02,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1603162404, now seen corresponding path program 1 times [2022-07-22 02:38:02,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:38:02,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714422566] [2022-07-22 02:38:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:38:02,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:38:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:02,342 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:38:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:38:02,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:38:05,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:38:05 BoogieIcfgContainer [2022-07-22 02:38:05,146 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:38:05,147 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:38:05,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:38:05,147 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:38:05,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:38:01" (3/4) ... [2022-07-22 02:38:05,150 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:38:05,267 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:38:05,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:38:05,269 INFO L158 Benchmark]: Toolchain (without parser) took 5232.20ms. Allocated memory was 56.6MB in the beginning and 94.4MB in the end (delta: 37.7MB). Free memory was 40.4MB in the beginning and 70.8MB in the end (delta: -30.4MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-07-22 02:38:05,269 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 28.6MB in the beginning and 28.6MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:38:05,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.47ms. Allocated memory is still 56.6MB. Free memory was 40.3MB in the beginning and 36.9MB in the end (delta: 3.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-22 02:38:05,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.63ms. Allocated memory is still 56.6MB. Free memory was 36.9MB in the beginning and 33.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 02:38:05,271 INFO L158 Benchmark]: Boogie Preprocessor took 63.44ms. Allocated memory is still 56.6MB. Free memory was 33.9MB in the beginning and 32.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:38:05,271 INFO L158 Benchmark]: RCFGBuilder took 523.31ms. Allocated memory is still 56.6MB. Free memory was 32.1MB in the beginning and 29.9MB in the end (delta: 2.2MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-07-22 02:38:05,272 INFO L158 Benchmark]: BuchiAutomizer took 4022.46ms. Allocated memory was 56.6MB in the beginning and 94.4MB in the end (delta: 37.7MB). Free memory was 29.9MB in the beginning and 53.5MB in the end (delta: -23.6MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2022-07-22 02:38:05,273 INFO L158 Benchmark]: Witness Printer took 121.01ms. Allocated memory is still 94.4MB. Free memory was 53.5MB in the beginning and 70.8MB in the end (delta: -17.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:38:05,275 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 46.1MB. Free memory was 28.6MB in the beginning and 28.6MB in the end (delta: 31.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.47ms. Allocated memory is still 56.6MB. Free memory was 40.3MB in the beginning and 36.9MB in the end (delta: 3.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.63ms. Allocated memory is still 56.6MB. Free memory was 36.9MB in the beginning and 33.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.44ms. Allocated memory is still 56.6MB. Free memory was 33.9MB in the beginning and 32.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 523.31ms. Allocated memory is still 56.6MB. Free memory was 32.1MB in the beginning and 29.9MB in the end (delta: 2.2MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 4022.46ms. Allocated memory was 56.6MB in the beginning and 94.4MB in the end (delta: 37.7MB). Free memory was 29.9MB in the beginning and 53.5MB in the end (delta: -23.6MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * Witness Printer took 121.01ms. Allocated memory is still 94.4MB. Free memory was 53.5MB in the beginning and 70.8MB in the end (delta: -17.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 183 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 154 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 828 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 828 mSDsluCounter, 858 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 554 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 304 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 876]: 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@7d6522dc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68d53af0=29, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2488b3ff=0, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5111a44e=0, NULL=1, methaneLevelCritical=0, tmp___0=1, \result=0, tmp=0, retValue_acc=1, retValue_acc=0, \result=1, retValue_acc=0, tmp___1=0, tmp___2=29, tmp=1, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4922969f=0, \result=0, tmp=0, head=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@674e1b6d=0, tmp___1=0, NULL=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2abdc247=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@412b4cbf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@775e032=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 876]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L266] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L468] int waterLevel = 1; [L469] int methaneLevelCritical = 0; [L595] int cleanupTimeShifts = 4; [L696] int pumpRunning = 0; [L697] int systemActive = 1; [L671] int retValue_acc ; [L672] int tmp ; [L676] FCALL select_helpers() [L677] FCALL select_features() [L678] CALL, EXPR valid_product() [L586] int retValue_acc ; [L589] retValue_acc = 1 [L590] return (retValue_acc); [L678] RET, EXPR valid_product() [L678] tmp = valid_product() [L680] COND TRUE \read(tmp) [L682] FCALL setup() [L683] CALL runTest() [L665] CALL test() [L867] int splverifierCounter ; [L868] int tmp ; [L869] int tmp___0 ; [L870] int tmp___1 ; [L871] int tmp___2 ; [L874] splverifierCounter = 0 Loop: [L876] COND TRUE 1 [L878] COND TRUE splverifierCounter < 4 [L884] tmp = __VERIFIER_nondet_int() [L886] COND FALSE !(\read(tmp)) [L894] tmp___0 = __VERIFIER_nondet_int() [L896] COND FALSE !(\read(tmp___0)) [L904] tmp___2 = __VERIFIER_nondet_int() [L906] COND TRUE \read(tmp___2) [L919] CALL timeShift() [L703] COND FALSE !(\read(pumpRunning)) [L710] COND TRUE \read(systemActive) [L712] CALL processEnvironment() [L732] int tmp ; [L735] COND FALSE !(\read(pumpRunning)) [L750] FCALL processEnvironment__wrappee__base() [L712] RET processEnvironment() [L718] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L507] int retValue_acc ; [L510] retValue_acc = methaneLevelCritical [L511] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L539] int retValue_acc ; [L542] retValue_acc = waterLevel [L543] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L718] RET __utac_acc__Specification3_spec__1() [L919] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:38:05,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)