./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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_product14.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 9f40985114caeb048340f647c2568d018899bc3d78f19b72dfc5765d669ba2a6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:16:45,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:16:45,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:16:45,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:16:45,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:16:45,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:16:45,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:16:45,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:16:45,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:16:45,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:16:45,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:16:45,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:16:45,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:16:45,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:16:45,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:16:45,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:16:45,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:16:45,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:16:45,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:16:45,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:16:45,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:16:45,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:16:45,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:16:45,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:16:45,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:16:45,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:16:45,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:16:45,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:16:45,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:16:45,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:16:45,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:16:45,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:16:45,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:16:45,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:16:45,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:16:45,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:16:45,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:16:45,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:16:45,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:16:45,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:16:45,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:16:45,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:16:45,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:16:45,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:16:45,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:16:45,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:16:45,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:16:45,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:16:45,947 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:16:45,948 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:16:45,948 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:16:45,948 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:16:45,948 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:16:45,949 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:16:45,949 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:16:45,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:16:45,949 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:16:45,949 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:16:45,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:16:45,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:16:45,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:16:45,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:16:45,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:16:45,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:16:45,950 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:16:45,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:16:45,950 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:16:45,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:16:45,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:16:45,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:16:45,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:16:45,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:16:45,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:16:45,952 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:16:45,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f40985114caeb048340f647c2568d018899bc3d78f19b72dfc5765d669ba2a6 [2022-02-21 04:16:46,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:16:46,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:16:46,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:16:46,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:16:46,204 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:16:46,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2022-02-21 04:16:46,266 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a2d7b9a/9e22460469084f8a91bbf805ee8a24d7/FLAG87b016451 [2022-02-21 04:16:46,717 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:16:46,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product14.cil.c [2022-02-21 04:16:46,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a2d7b9a/9e22460469084f8a91bbf805ee8a24d7/FLAG87b016451 [2022-02-21 04:16:47,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05a2d7b9a/9e22460469084f8a91bbf805ee8a24d7 [2022-02-21 04:16:47,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:16:47,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:16:47,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:47,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:16:47,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:16:47,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:47" (1/1) ... [2022-02-21 04:16:47,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470a1485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47, skipping insertion in model container [2022-02-21 04:16:47,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:47" (1/1) ... [2022-02-21 04:16:47,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:16:47,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:16:47,307 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_product14.cil.c[1605,1618] [2022-02-21 04:16:47,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:47,499 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:16:47,516 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_product14.cil.c[1605,1618] [2022-02-21 04:16:47,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:47,602 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:16:47,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47 WrapperNode [2022-02-21 04:16:47,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:47,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:47,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:16:47,605 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:16:47,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47" (1/1) ... [2022-02-21 04:16:47,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47" (1/1) ... [2022-02-21 04:16:47,695 INFO L137 Inliner]: procedures = 52, calls = 152, calls flagged for inlining = 49, calls inlined = 51, statements flattened = 395 [2022-02-21 04:16:47,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:47,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:16:47,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:16:47,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:16:47,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47" (1/1) ... [2022-02-21 04:16:47,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47" (1/1) ... [2022-02-21 04:16:47,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47" (1/1) ... [2022-02-21 04:16:47,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47" (1/1) ... [2022-02-21 04:16:47,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47" (1/1) ... [2022-02-21 04:16:47,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47" (1/1) ... [2022-02-21 04:16:47,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47" (1/1) ... [2022-02-21 04:16:47,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:16:47,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:16:47,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:16:47,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:16:47,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47" (1/1) ... [2022-02-21 04:16:47,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:16:47,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:16:47,784 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) [2022-02-21 04:16:47,787 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 [2022-02-21 04:16:47,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:16:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:16:47,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:16:47,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:16:47,892 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:16:47,893 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:16:48,267 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:16:48,273 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:16:48,274 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:16:48,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:48 BoogieIcfgContainer [2022-02-21 04:16:48,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:16:48,277 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:16:48,277 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:16:48,279 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:16:48,280 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:48,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:16:47" (1/3) ... [2022-02-21 04:16:48,282 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e230117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:48, skipping insertion in model container [2022-02-21 04:16:48,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:48,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:47" (2/3) ... [2022-02-21 04:16:48,282 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e230117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:48, skipping insertion in model container [2022-02-21 04:16:48,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:48,283 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:48" (3/3) ... [2022-02-21 04:16:48,284 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product14.cil.c [2022-02-21 04:16:48,323 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:16:48,323 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:16:48,323 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:16:48,323 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:16:48,324 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:16:48,324 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:16:48,324 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:16:48,324 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:16:48,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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) [2022-02-21 04:16:48,384 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-02-21 04:16:48,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:48,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:48,389 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:48,389 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:48,390 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:16:48,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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) [2022-02-21 04:16:48,403 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-02-21 04:16:48,404 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:48,404 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:48,404 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:48,405 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:48,416 INFO L791 eck$LassoCheckResult]: Stem: 92#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 29#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~7#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 91#L84true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 54#L77true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 86#L92true main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 44#L817true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 74#L794true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 20#L678-2true [2022-02-21 04:16:48,417 INFO L793 eck$LassoCheckResult]: Loop: 20#L678-2true assume !false; 77#L679true assume test_~splverifierCounter~0#1 < 4; 97#L680true test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 76#L688true assume !(0 != test_~tmp~6#1); 17#L688-2true test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 71#L698true assume !(0 != test_~tmp___0~1#1); 90#L698-2true test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 10#L708true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 33#L716true assume 0 != test_~tmp___1~1#1; 78#L716-2true assume { :begin_inline_timeShift } true; 24#L148true assume !(0 != ~pumpRunning~0); 28#L148-2true assume !(0 != ~systemActive~0); 40#L155-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 96#L874-1true __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 85#L109true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 47#L115-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 12#L165true assume { :end_inline_timeShift } true; 20#L678-2true [2022-02-21 04:16:48,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:48,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:16:48,431 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:48,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63749116] [2022-02-21 04:16:48,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:48,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,538 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,602 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:48,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:48,605 INFO L85 PathProgramCache]: Analyzing trace with hash -293260012, now seen corresponding path program 1 times [2022-02-21 04:16:48,606 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:48,607 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106771875] [2022-02-21 04:16:48,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:48,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,633 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:48,647 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:48,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:48,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1224941616, now seen corresponding path program 1 times [2022-02-21 04:16:48,649 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:48,650 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210086644] [2022-02-21 04:16:48,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:48,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:48,835 INFO L290 TraceCheckUtils]: 0: Hoare triple {111#true} 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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {113#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:48,836 INFO L290 TraceCheckUtils]: 1: Hoare triple {113#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~7#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; {113#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:48,837 INFO L290 TraceCheckUtils]: 2: Hoare triple {113#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {113#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:48,837 INFO L290 TraceCheckUtils]: 3: Hoare triple {113#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {114#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:16:48,838 INFO L290 TraceCheckUtils]: 4: Hoare triple {114#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret46#1;havoc main_#t~ret46#1; {115#(= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)} is VALID [2022-02-21 04:16:48,839 INFO L290 TraceCheckUtils]: 5: Hoare triple {115#(= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)} assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,839 INFO L290 TraceCheckUtils]: 6: Hoare triple {116#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,840 INFO L290 TraceCheckUtils]: 7: Hoare triple {116#(not (= 0 ~systemActive~0))} assume !false; {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,840 INFO L290 TraceCheckUtils]: 8: Hoare triple {116#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,841 INFO L290 TraceCheckUtils]: 9: Hoare triple {116#(not (= 0 ~systemActive~0))} test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,841 INFO L290 TraceCheckUtils]: 10: Hoare triple {116#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~6#1); {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,842 INFO L290 TraceCheckUtils]: 11: Hoare triple {116#(not (= 0 ~systemActive~0))} test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,850 INFO L290 TraceCheckUtils]: 12: Hoare triple {116#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1#1); {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,850 INFO L290 TraceCheckUtils]: 13: Hoare triple {116#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,851 INFO L290 TraceCheckUtils]: 14: Hoare triple {116#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,851 INFO L290 TraceCheckUtils]: 15: Hoare triple {116#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___1~1#1; {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,852 INFO L290 TraceCheckUtils]: 16: Hoare triple {116#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,852 INFO L290 TraceCheckUtils]: 17: Hoare triple {116#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {116#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:48,853 INFO L290 TraceCheckUtils]: 18: Hoare triple {116#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {112#false} is VALID [2022-02-21 04:16:48,854 INFO L290 TraceCheckUtils]: 19: Hoare triple {112#false} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; {112#false} is VALID [2022-02-21 04:16:48,854 INFO L290 TraceCheckUtils]: 20: Hoare triple {112#false} __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; {112#false} is VALID [2022-02-21 04:16:48,854 INFO L290 TraceCheckUtils]: 21: Hoare triple {112#false} assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; {112#false} is VALID [2022-02-21 04:16:48,854 INFO L290 TraceCheckUtils]: 22: Hoare triple {112#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {112#false} is VALID [2022-02-21 04:16:48,855 INFO L290 TraceCheckUtils]: 23: Hoare triple {112#false} assume { :end_inline_timeShift } true; {112#false} is VALID [2022-02-21 04:16:48,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:16:48,856 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:48,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210086644] [2022-02-21 04:16:48,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210086644] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:48,857 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:48,858 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:16:48,858 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536125482] [2022-02-21 04:16:48,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:48,987 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:49,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:16:49,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:16:49,014 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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) [2022-02-21 04:16:49,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:49,285 INFO L93 Difference]: Finished difference Result 100 states and 125 transitions. [2022-02-21 04:16:49,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:16:49,286 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 04:16:49,308 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:49,313 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 125 transitions. [2022-02-21 04:16:49,323 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-02-21 04:16:49,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 90 states and 115 transitions. [2022-02-21 04:16:49,331 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 90 [2022-02-21 04:16:49,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 90 [2022-02-21 04:16:49,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 115 transitions. [2022-02-21 04:16:49,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:49,335 INFO L681 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-02-21 04:16:49,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 115 transitions. [2022-02-21 04:16:49,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-02-21 04:16:49,362 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:49,364 INFO L82 GeneralOperation]: Start isEquivalent. First operand 90 states and 115 transitions. Second operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 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) [2022-02-21 04:16:49,371 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states and 115 transitions. Second operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 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) [2022-02-21 04:16:49,376 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. Second operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 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) [2022-02-21 04:16:49,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:49,383 INFO L93 Difference]: Finished difference Result 90 states and 115 transitions. [2022-02-21 04:16:49,384 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 115 transitions. [2022-02-21 04:16:49,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:49,385 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:49,385 INFO L74 IsIncluded]: Start isIncluded. First operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 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 90 states and 115 transitions. [2022-02-21 04:16:49,386 INFO L87 Difference]: Start difference. First operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 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 90 states and 115 transitions. [2022-02-21 04:16:49,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:49,391 INFO L93 Difference]: Finished difference Result 90 states and 115 transitions. [2022-02-21 04:16:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 115 transitions. [2022-02-21 04:16:49,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:49,393 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:49,394 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:49,394 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 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) [2022-02-21 04:16:49,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2022-02-21 04:16:49,399 INFO L704 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-02-21 04:16:49,399 INFO L587 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-02-21 04:16:49,399 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:16:49,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2022-02-21 04:16:49,402 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-02-21 04:16:49,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:49,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:49,403 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:49,403 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:49,403 INFO L791 eck$LassoCheckResult]: Stem: 305#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~7#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 294#L84 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 230#L77 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 231#L92 main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 298#L817 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 282#L794 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 240#L678-2 [2022-02-21 04:16:49,404 INFO L793 eck$LassoCheckResult]: Loop: 240#L678-2 assume !false; 266#L679 assume test_~splverifierCounter~0#1 < 4; 285#L680 test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 283#L688 assume !(0 != test_~tmp~6#1); 261#L688-2 test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 262#L698 assume !(0 != test_~tmp___0~1#1); 275#L698-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 235#L708 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 228#L295 assume { :end_inline_startSystem } true; 229#L716-2 assume { :begin_inline_timeShift } true; 277#L148 assume !(0 != ~pumpRunning~0); 278#L148-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 221#L180 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 223#L172-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 245#L180-1 assume { :end_inline_processEnvironment } true; 256#L155-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 307#L874-1 __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 296#L109 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 297#L115-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 239#L165 assume { :end_inline_timeShift } true; 240#L678-2 [2022-02-21 04:16:49,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:49,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:16:49,405 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:49,405 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919949945] [2022-02-21 04:16:49,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:49,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:49,431 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:49,445 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:49,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:49,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1543629914, now seen corresponding path program 1 times [2022-02-21 04:16:49,446 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:49,446 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601763453] [2022-02-21 04:16:49,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:49,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:49,453 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:49,457 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:49,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:49,458 INFO L85 PathProgramCache]: Analyzing trace with hash -104368098, now seen corresponding path program 1 times [2022-02-21 04:16:49,458 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:49,458 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888378733] [2022-02-21 04:16:49,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:49,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:49,505 INFO L290 TraceCheckUtils]: 0: Hoare triple {498#true} 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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,505 INFO L290 TraceCheckUtils]: 1: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~7#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,506 INFO L290 TraceCheckUtils]: 2: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,506 INFO L290 TraceCheckUtils]: 3: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,507 INFO L290 TraceCheckUtils]: 4: Hoare triple {500#(= ~methaneLevelCritical~0 0)} main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret46#1;havoc main_#t~ret46#1; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,507 INFO L290 TraceCheckUtils]: 5: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,508 INFO L290 TraceCheckUtils]: 6: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,508 INFO L290 TraceCheckUtils]: 7: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume !false; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,509 INFO L290 TraceCheckUtils]: 8: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume test_~splverifierCounter~0#1 < 4; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,509 INFO L290 TraceCheckUtils]: 9: Hoare triple {500#(= ~methaneLevelCritical~0 0)} test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,509 INFO L290 TraceCheckUtils]: 10: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp~6#1); {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,510 INFO L290 TraceCheckUtils]: 11: Hoare triple {500#(= ~methaneLevelCritical~0 0)} test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,510 INFO L290 TraceCheckUtils]: 12: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp___0~1#1); {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,511 INFO L290 TraceCheckUtils]: 13: Hoare triple {500#(= ~methaneLevelCritical~0 0)} test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,511 INFO L290 TraceCheckUtils]: 14: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,511 INFO L290 TraceCheckUtils]: 15: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume { :end_inline_startSystem } true; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,512 INFO L290 TraceCheckUtils]: 16: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume { :begin_inline_timeShift } true; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,512 INFO L290 TraceCheckUtils]: 17: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume !(0 != ~pumpRunning~0); {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,513 INFO L290 TraceCheckUtils]: 18: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,513 INFO L290 TraceCheckUtils]: 19: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,513 INFO L290 TraceCheckUtils]: 20: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,514 INFO L290 TraceCheckUtils]: 21: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment } true; {500#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:49,514 INFO L290 TraceCheckUtils]: 22: Hoare triple {500#(= ~methaneLevelCritical~0 0)} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; {501#(= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0)} is VALID [2022-02-21 04:16:49,515 INFO L290 TraceCheckUtils]: 23: Hoare triple {501#(= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0)} __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; {502#(= |ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0#1| 0)} is VALID [2022-02-21 04:16:49,515 INFO L290 TraceCheckUtils]: 24: Hoare triple {502#(= |ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0#1| 0)} assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; {499#false} is VALID [2022-02-21 04:16:49,516 INFO L290 TraceCheckUtils]: 25: Hoare triple {499#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {499#false} is VALID [2022-02-21 04:16:49,516 INFO L290 TraceCheckUtils]: 26: Hoare triple {499#false} assume { :end_inline_timeShift } true; {499#false} is VALID [2022-02-21 04:16:49,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:16:49,516 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:49,517 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888378733] [2022-02-21 04:16:49,517 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888378733] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:49,517 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:49,517 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:16:49,517 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200882242] [2022-02-21 04:16:49,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:49,665 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:49,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:16:49,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:16:49,667 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:50,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:50,270 INFO L93 Difference]: Finished difference Result 311 states and 400 transitions. [2022-02-21 04:16:50,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-21 04:16:50,271 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:50,293 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:50,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 311 states and 400 transitions. [2022-02-21 04:16:50,307 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2022-02-21 04:16:50,319 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 311 states to 311 states and 400 transitions. [2022-02-21 04:16:50,319 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 311 [2022-02-21 04:16:50,320 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 311 [2022-02-21 04:16:50,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 311 states and 400 transitions. [2022-02-21 04:16:50,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:50,321 INFO L681 BuchiCegarLoop]: Abstraction has 311 states and 400 transitions. [2022-02-21 04:16:50,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states and 400 transitions. [2022-02-21 04:16:50,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 173. [2022-02-21 04:16:50,331 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:50,331 INFO L82 GeneralOperation]: Start isEquivalent. First operand 311 states and 400 transitions. Second operand has 173 states, 173 states have (on average 1.2658959537572254) internal successors, (219), 172 states have internal predecessors, (219), 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) [2022-02-21 04:16:50,332 INFO L74 IsIncluded]: Start isIncluded. First operand 311 states and 400 transitions. Second operand has 173 states, 173 states have (on average 1.2658959537572254) internal successors, (219), 172 states have internal predecessors, (219), 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) [2022-02-21 04:16:50,332 INFO L87 Difference]: Start difference. First operand 311 states and 400 transitions. Second operand has 173 states, 173 states have (on average 1.2658959537572254) internal successors, (219), 172 states have internal predecessors, (219), 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) [2022-02-21 04:16:50,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:50,343 INFO L93 Difference]: Finished difference Result 311 states and 400 transitions. [2022-02-21 04:16:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 400 transitions. [2022-02-21 04:16:50,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:50,345 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:50,346 INFO L74 IsIncluded]: Start isIncluded. First operand has 173 states, 173 states have (on average 1.2658959537572254) internal successors, (219), 172 states have internal predecessors, (219), 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 311 states and 400 transitions. [2022-02-21 04:16:50,346 INFO L87 Difference]: Start difference. First operand has 173 states, 173 states have (on average 1.2658959537572254) internal successors, (219), 172 states have internal predecessors, (219), 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 311 states and 400 transitions. [2022-02-21 04:16:50,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:50,356 INFO L93 Difference]: Finished difference Result 311 states and 400 transitions. [2022-02-21 04:16:50,356 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 400 transitions. [2022-02-21 04:16:50,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:50,364 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:50,364 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:50,364 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 173 states have (on average 1.2658959537572254) internal successors, (219), 172 states have internal predecessors, (219), 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) [2022-02-21 04:16:50,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 219 transitions. [2022-02-21 04:16:50,369 INFO L704 BuchiCegarLoop]: Abstraction has 173 states and 219 transitions. [2022-02-21 04:16:50,370 INFO L587 BuchiCegarLoop]: Abstraction has 173 states and 219 transitions. [2022-02-21 04:16:50,370 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:16:50,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 173 states and 219 transitions. [2022-02-21 04:16:50,371 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 122 [2022-02-21 04:16:50,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:50,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:50,372 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:50,372 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:50,372 INFO L791 eck$LassoCheckResult]: Stem: 917#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(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 898#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~7#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 899#L84 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 831#L77 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 832#L92 main_#t~ret46#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret46#1;havoc main_#t~ret46#1; 904#L817 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 886#L794 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 842#L678-2 [2022-02-21 04:16:50,372 INFO L793 eck$LassoCheckResult]: Loop: 842#L678-2 assume !false; 870#L679 assume test_~splverifierCounter~0#1 < 4; 889#L680 test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 887#L688 assume !(0 != test_~tmp~6#1); 862#L688-2 test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 863#L698 assume !(0 != test_~tmp___0~1#1); 877#L698-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 836#L708 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 837#L716 assume 0 != test_~tmp___1~1#1; 963#L716-2 assume { :begin_inline_timeShift } true; 962#L148 assume !(0 != ~pumpRunning~0); 961#L148-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 960#L180 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 914#L172-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 847#L180-1 assume { :end_inline_processEnvironment } true; 857#L155-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_#t~ret7#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~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 921#L874-1 __utac_acc__Specification3_spec__1_#t~ret5#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 902#L109 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 903#L906 __utac_acc__Specification3_spec__1_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret6#1;havoc __utac_acc__Specification3_spec__1_#t~ret6#1; 926#L115 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 916#L115-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 841#L165 assume { :end_inline_timeShift } true; 842#L678-2 [2022-02-21 04:16:50,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:50,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-02-21 04:16:50,373 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:50,373 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023643371] [2022-02-21 04:16:50,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:50,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:50,383 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:50,394 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:50,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:50,394 INFO L85 PathProgramCache]: Analyzing trace with hash 873328204, now seen corresponding path program 1 times [2022-02-21 04:16:50,395 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:50,395 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574543702] [2022-02-21 04:16:50,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:50,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:50,400 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:50,405 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:50,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:50,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1990170896, now seen corresponding path program 1 times [2022-02-21 04:16:50,406 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:50,406 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766303005] [2022-02-21 04:16:50,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:50,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:50,417 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:50,429 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:52,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:16:52 BoogieIcfgContainer [2022-02-21 04:16:52,972 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:16:52,973 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:16:52,973 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:16:52,973 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:16:52,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:48" (3/4) ... [2022-02-21 04:16:52,976 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:16:53,013 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:16:53,014 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:16:53,015 INFO L158 Benchmark]: Toolchain (without parser) took 5943.49ms. Allocated memory was 88.1MB in the beginning and 159.4MB in the end (delta: 71.3MB). Free memory was 53.2MB in the beginning and 73.3MB in the end (delta: -20.1MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2022-02-21 04:16:53,015 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:16:53,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.16ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 53.0MB in the beginning and 70.0MB in the end (delta: -17.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-21 04:16:53,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.23ms. Allocated memory is still 107.0MB. Free memory was 70.0MB in the beginning and 66.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:53,017 INFO L158 Benchmark]: Boogie Preprocessor took 45.39ms. Allocated memory is still 107.0MB. Free memory was 66.6MB in the beginning and 64.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:53,017 INFO L158 Benchmark]: RCFGBuilder took 533.97ms. Allocated memory is still 107.0MB. Free memory was 64.7MB in the beginning and 78.7MB in the end (delta: -14.0MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-02-21 04:16:53,018 INFO L158 Benchmark]: BuchiAutomizer took 4695.95ms. Allocated memory was 107.0MB in the beginning and 159.4MB in the end (delta: 52.4MB). Free memory was 78.7MB in the beginning and 76.4MB in the end (delta: 2.3MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:53,018 INFO L158 Benchmark]: Witness Printer took 40.71ms. Allocated memory is still 159.4MB. Free memory was 76.4MB in the beginning and 73.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:53,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.16ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 53.0MB in the beginning and 70.0MB in the end (delta: -17.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.23ms. Allocated memory is still 107.0MB. Free memory was 70.0MB in the beginning and 66.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.39ms. Allocated memory is still 107.0MB. Free memory was 66.6MB in the beginning and 64.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.97ms. Allocated memory is still 107.0MB. Free memory was 64.7MB in the beginning and 78.7MB in the end (delta: -14.0MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 4695.95ms. Allocated memory was 107.0MB in the beginning and 159.4MB in the end (delta: 52.4MB). Free memory was 78.7MB in the beginning and 76.4MB in the end (delta: 2.3MB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. * Witness Printer took 40.71ms. Allocated memory is still 159.4MB. Free memory was 76.4MB in the beginning and 73.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 173 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 138 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 173 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 752 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 752 mSDsluCounter, 751 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 476 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 275 mSDtfsCounter, 91 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 678]: 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, retValue_acc=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5405fbcc=0, NULL=1, retValue_acc=1, methaneLevelCritical=0, tmp___0=1, \result=0, tmp=0, retValue_acc=1, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6324094a=0, tmp___1=0, tmp=1, tmp___2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@634a3f63=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48f6fa35=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6232d10=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@606f6a8f=0, \result=0, tmp=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7eda96bf=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71572efc=0, tmp___1=29, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e4c8f2f=0, waterLevel=1, systemActive=1, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 678]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L141] int pumpRunning = 0; [L142] int systemActive = 1; [L468] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L735] int cleanupTimeShifts = 4; [L831] int waterLevel = 1; [L832] int methaneLevelCritical = 0; [L808] int retValue_acc ; [L809] int tmp ; [L813] FCALL select_helpers() [L814] FCALL select_features() [L815] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); [L815] RET, EXPR valid_product() [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) [L819] FCALL setup() [L820] CALL runTest() [L802] CALL test() [L669] int splverifierCounter ; [L670] int tmp ; [L671] int tmp___0 ; [L672] int tmp___1 ; [L673] int tmp___2 ; [L676] splverifierCounter = 0 Loop: [L678] COND TRUE 1 [L680] COND TRUE splverifierCounter < 4 [L686] tmp = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp)) [L696] tmp___0 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___0)) [L706] tmp___2 = __VERIFIER_nondet_int() [L708] COND FALSE !(\read(tmp___2)) [L714] tmp___1 = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp___1) [L723] CALL timeShift() [L148] COND FALSE !(\read(pumpRunning)) [L155] COND TRUE \read(systemActive) [L157] CALL processEnvironment() [L177] int tmp ; [L180] COND FALSE !(\read(pumpRunning)) [L195] FCALL processEnvironment__wrappee__methaneQuery() [L157] RET processEnvironment() [L163] CALL __utac_acc__Specification3_spec__1() [L101] int tmp ; [L102] int tmp___0 ; [L103] int tmp___1 ; [L107] CALL, EXPR isMethaneLevelCritical() [L870] int retValue_acc ; [L873] retValue_acc = methaneLevelCritical [L874] return (retValue_acc); [L107] RET, EXPR isMethaneLevelCritical() [L107] tmp = isMethaneLevelCritical() [L109] COND FALSE !(\read(tmp)) [L113] CALL, EXPR getWaterLevel() [L902] int retValue_acc ; [L905] retValue_acc = waterLevel [L906] return (retValue_acc); [L113] RET, EXPR getWaterLevel() [L113] tmp___0 = getWaterLevel() [L115] COND FALSE !(tmp___0 == 2) [L163] RET __utac_acc__Specification3_spec__1() [L723] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:16:53,064 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)