./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product29.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_product29.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76c265ee8cd79c32bac129a25f21c9052690eb74ca3013be3603e97bc6872f20 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:16:56,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:16:56,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:16:56,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:16:56,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:16:56,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:16:56,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:16:56,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:16:56,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:16:56,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:16:56,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:16:56,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:16:56,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:16:56,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:16:56,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:16:56,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:16:56,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:16:56,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:16:56,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:16:56,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:16:56,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:16:56,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:16:56,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:16:56,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:16:56,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:16:56,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:16:56,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:16:56,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:16:56,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:16:56,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:16:56,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:16:56,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:16:56,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:16:56,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:16:56,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:16:56,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:16:56,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:16:56,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:16:56,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:16:56,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:16:56,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:16:56,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:16:56,326 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:16:56,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:16:56,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:16:56,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:16:56,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:16:56,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:16:56,327 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:16:56,327 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:16:56,328 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:16:56,328 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:16:56,328 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:16:56,329 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:16:56,329 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:16:56,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:16:56,329 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:16:56,329 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:16:56,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:16:56,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:16:56,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:16:56,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:16:56,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:16:56,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:16:56,330 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:16:56,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:16:56,332 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:16:56,332 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:16:56,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:16:56,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:16:56,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:16:56,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:16:56,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:16:56,334 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:16:56,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76c265ee8cd79c32bac129a25f21c9052690eb74ca3013be3603e97bc6872f20 [2022-02-21 04:16:56,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:16:56,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:16:56,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:16:56,575 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:16:56,575 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:16:56,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2022-02-21 04:16:56,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b88f62eb/cb8d7f5b359a48a3ab62044c61b6085a/FLAG090c735e2 [2022-02-21 04:16:57,013 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:16:57,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2022-02-21 04:16:57,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b88f62eb/cb8d7f5b359a48a3ab62044c61b6085a/FLAG090c735e2 [2022-02-21 04:16:57,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b88f62eb/cb8d7f5b359a48a3ab62044c61b6085a [2022-02-21 04:16:57,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:16:57,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:16:57,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:57,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:16:57,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:16:57,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:57" (1/1) ... [2022-02-21 04:16:57,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ee4c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57, skipping insertion in model container [2022-02-21 04:16:57,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:57" (1/1) ... [2022-02-21 04:16:57,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:16:57,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:16:57,668 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_product29.cil.c[13732,13745] [2022-02-21 04:16:57,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:57,695 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:16:57,761 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_product29.cil.c[13732,13745] [2022-02-21 04:16:57,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:57,803 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:16:57,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57 WrapperNode [2022-02-21 04:16:57,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:57,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:57,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:16:57,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:16:57,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57" (1/1) ... [2022-02-21 04:16:57,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57" (1/1) ... [2022-02-21 04:16:57,889 INFO L137 Inliner]: procedures = 54, calls = 156, calls flagged for inlining = 53, calls inlined = 80, statements flattened = 590 [2022-02-21 04:16:57,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:57,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:16:57,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:16:57,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:16:57,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57" (1/1) ... [2022-02-21 04:16:57,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57" (1/1) ... [2022-02-21 04:16:57,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57" (1/1) ... [2022-02-21 04:16:57,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57" (1/1) ... [2022-02-21 04:16:57,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57" (1/1) ... [2022-02-21 04:16:57,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57" (1/1) ... [2022-02-21 04:16:57,940 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57" (1/1) ... [2022-02-21 04:16:57,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:16:57,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:16:57,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:16:57,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:16:57,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57" (1/1) ... [2022-02-21 04:16:57,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:16:57,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:16:57,977 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 04:16:57,980 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 04:16:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:16:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:16:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:16:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:16:58,063 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:16:58,064 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:16:58,527 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:16:58,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:16:58,535 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:16:58,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:58 BoogieIcfgContainer [2022-02-21 04:16:58,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:16:58,537 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:16:58,537 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:16:58,547 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:16:58,557 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:58,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:16:57" (1/3) ... [2022-02-21 04:16:58,558 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cff4a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:58, skipping insertion in model container [2022-02-21 04:16:58,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:58,559 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:57" (2/3) ... [2022-02-21 04:16:58,559 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cff4a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:58, skipping insertion in model container [2022-02-21 04:16:58,559 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:58,559 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:58" (3/3) ... [2022-02-21 04:16:58,560 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2022-02-21 04:16:58,602 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:16:58,602 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:16:58,603 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:16:58,603 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:16:58,603 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:16:58,603 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:16:58,603 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:16:58,603 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:16:58,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 156 states, 155 states have (on average 1.3548387096774193) internal successors, (210), 155 states have internal predecessors, (210), 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 04:16:58,716 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2022-02-21 04:16:58,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:58,717 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:58,723 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:58,723 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:58,723 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:16:58,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 156 states, 155 states have (on average 1.3548387096774193) internal successors, (210), 155 states have internal predecessors, (210), 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 04:16:58,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2022-02-21 04:16:58,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:58,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:58,752 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:58,753 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:58,757 INFO L791 eck$LassoCheckResult]: Stem: 137#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 52#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 65#L573true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 122#L566true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 157#L581true main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 145#L680true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 105#L656true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 115#L901-2true [2022-02-21 04:16:58,758 INFO L793 eck$LassoCheckResult]: Loop: 115#L901-2true assume !false; 106#L902true assume test_~splverifierCounter~0#1 < 4; 114#L903true test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 69#L911true assume !(0 != test_~tmp~9#1); 21#L911-2true test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 123#L921true assume !(0 != test_~tmp___0~2#1); 38#L921-2true test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 11#L931true assume 0 != test_~tmp___2~0#1; 113#L937-2true assume { :begin_inline_timeShift } true; 16#L703true assume !(0 != ~pumpRunning~0); 104#L703-2true assume !(0 != ~systemActive~0); 77#L710-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 64#L136-1true __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 7#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 153#L69-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 41#L720true assume { :end_inline_timeShift } true; 115#L901-2true [2022-02-21 04:16:58,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:58,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:16:58,776 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:58,777 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830130979] [2022-02-21 04:16:58,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:58,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:58,915 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:58,970 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:58,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:58,973 INFO L85 PathProgramCache]: Analyzing trace with hash 679856854, now seen corresponding path program 1 times [2022-02-21 04:16:58,973 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:58,974 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898562984] [2022-02-21 04:16:58,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:58,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:58,982 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:58,994 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:59,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:59,008 INFO L85 PathProgramCache]: Analyzing trace with hash 2035275930, now seen corresponding path program 1 times [2022-02-21 04:16:59,008 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:59,008 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003202903] [2022-02-21 04:16:59,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:59,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:59,178 INFO L290 TraceCheckUtils]: 0: Hoare triple {164#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {166#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:59,179 INFO L290 TraceCheckUtils]: 1: Hoare triple {166#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; {166#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:59,180 INFO L290 TraceCheckUtils]: 2: Hoare triple {166#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {166#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:59,180 INFO L290 TraceCheckUtils]: 3: Hoare triple {166#(= 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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {167#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:16:59,181 INFO L290 TraceCheckUtils]: 4: Hoare triple {167#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; {168#(= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)} is VALID [2022-02-21 04:16:59,181 INFO L290 TraceCheckUtils]: 5: Hoare triple {168#(= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0)} assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; {169#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:59,182 INFO L290 TraceCheckUtils]: 6: Hoare triple {169#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {169#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:59,182 INFO L290 TraceCheckUtils]: 7: Hoare triple {169#(not (= 0 ~systemActive~0))} assume !false; {169#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:59,182 INFO L290 TraceCheckUtils]: 8: Hoare triple {169#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {169#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:59,183 INFO L290 TraceCheckUtils]: 9: Hoare triple {169#(not (= 0 ~systemActive~0))} test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; {169#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:59,184 INFO L290 TraceCheckUtils]: 10: Hoare triple {169#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~9#1); {169#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:59,184 INFO L290 TraceCheckUtils]: 11: Hoare triple {169#(not (= 0 ~systemActive~0))} test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; {169#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:59,185 INFO L290 TraceCheckUtils]: 12: Hoare triple {169#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~2#1); {169#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:59,185 INFO L290 TraceCheckUtils]: 13: Hoare triple {169#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; {169#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:59,186 INFO L290 TraceCheckUtils]: 14: Hoare triple {169#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {169#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:59,186 INFO L290 TraceCheckUtils]: 15: Hoare triple {169#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {169#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:59,187 INFO L290 TraceCheckUtils]: 16: Hoare triple {169#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {169#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:59,187 INFO L290 TraceCheckUtils]: 17: Hoare triple {169#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {165#false} is VALID [2022-02-21 04:16:59,187 INFO L290 TraceCheckUtils]: 18: Hoare triple {165#false} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; {165#false} is VALID [2022-02-21 04:16:59,188 INFO L290 TraceCheckUtils]: 19: Hoare triple {165#false} __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; {165#false} is VALID [2022-02-21 04:16:59,188 INFO L290 TraceCheckUtils]: 20: Hoare triple {165#false} assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; {165#false} is VALID [2022-02-21 04:16:59,188 INFO L290 TraceCheckUtils]: 21: Hoare triple {165#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {165#false} is VALID [2022-02-21 04:16:59,189 INFO L290 TraceCheckUtils]: 22: Hoare triple {165#false} assume { :end_inline_timeShift } true; {165#false} is VALID [2022-02-21 04:16:59,190 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 04:16:59,190 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:59,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003202903] [2022-02-21 04:16:59,192 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003202903] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:59,192 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:59,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:16:59,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718211979] [2022-02-21 04:16:59,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:59,295 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:59,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:16:59,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:16:59,327 INFO L87 Difference]: Start difference. First operand has 156 states, 155 states have (on average 1.3548387096774193) internal successors, (210), 155 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:59,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:59,728 INFO L93 Difference]: Finished difference Result 153 states and 196 transitions. [2022-02-21 04:16:59,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:16:59,729 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:59,750 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:59,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 196 transitions. [2022-02-21 04:16:59,768 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-02-21 04:16:59,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 143 states and 186 transitions. [2022-02-21 04:16:59,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 143 [2022-02-21 04:16:59,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 143 [2022-02-21 04:16:59,784 INFO L73 IsDeterministic]: Start isDeterministic. Operand 143 states and 186 transitions. [2022-02-21 04:16:59,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:59,785 INFO L681 BuchiCegarLoop]: Abstraction has 143 states and 186 transitions. [2022-02-21 04:16:59,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states and 186 transitions. [2022-02-21 04:16:59,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-02-21 04:16:59,807 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:59,808 INFO L82 GeneralOperation]: Start isEquivalent. First operand 143 states and 186 transitions. Second operand has 143 states, 143 states have (on average 1.3006993006993006) internal successors, (186), 142 states have internal predecessors, (186), 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 04:16:59,808 INFO L74 IsIncluded]: Start isIncluded. First operand 143 states and 186 transitions. Second operand has 143 states, 143 states have (on average 1.3006993006993006) internal successors, (186), 142 states have internal predecessors, (186), 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 04:16:59,810 INFO L87 Difference]: Start difference. First operand 143 states and 186 transitions. Second operand has 143 states, 143 states have (on average 1.3006993006993006) internal successors, (186), 142 states have internal predecessors, (186), 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 04:16:59,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:59,814 INFO L93 Difference]: Finished difference Result 143 states and 186 transitions. [2022-02-21 04:16:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 186 transitions. [2022-02-21 04:16:59,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:59,815 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:59,816 INFO L74 IsIncluded]: Start isIncluded. First operand has 143 states, 143 states have (on average 1.3006993006993006) internal successors, (186), 142 states have internal predecessors, (186), 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 143 states and 186 transitions. [2022-02-21 04:16:59,816 INFO L87 Difference]: Start difference. First operand has 143 states, 143 states have (on average 1.3006993006993006) internal successors, (186), 142 states have internal predecessors, (186), 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 143 states and 186 transitions. [2022-02-21 04:16:59,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:59,819 INFO L93 Difference]: Finished difference Result 143 states and 186 transitions. [2022-02-21 04:16:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 186 transitions. [2022-02-21 04:16:59,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:59,820 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:59,821 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:59,821 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 143 states have (on average 1.3006993006993006) internal successors, (186), 142 states have internal predecessors, (186), 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 04:16:59,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 186 transitions. [2022-02-21 04:16:59,825 INFO L704 BuchiCegarLoop]: Abstraction has 143 states and 186 transitions. [2022-02-21 04:16:59,825 INFO L587 BuchiCegarLoop]: Abstraction has 143 states and 186 transitions. [2022-02-21 04:16:59,825 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:16:59,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 186 transitions. [2022-02-21 04:16:59,826 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-02-21 04:16:59,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:59,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:59,827 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:59,827 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] [2022-02-21 04:16:59,828 INFO L791 eck$LassoCheckResult]: Stem: 467#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 407#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 408#L573 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 426#L566 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 463#L581 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 469#L680 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 457#L656 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 395#L901-2 [2022-02-21 04:16:59,828 INFO L793 eck$LassoCheckResult]: Loop: 395#L901-2 assume !false; 458#L902 assume test_~splverifierCounter~0#1 < 4; 459#L903 test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 431#L911 assume !(0 != test_~tmp~9#1); 362#L911-2 test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 363#L921 assume !(0 != test_~tmp___0~2#1); 392#L921-2 test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 342#L931 assume 0 != test_~tmp___2~0#1; 344#L937-2 assume { :begin_inline_timeShift } true; 353#L703 assume !(0 != ~pumpRunning~0); 354#L703-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 454#L761 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 455#L735-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 466#L727-3 assume { :end_inline_processEnvironment__wrappee__base } true; 403#L735-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 428#L761-1 assume { :end_inline_processEnvironment } true; 437#L710-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 425#L136-1 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 335#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 336#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 394#L720 assume { :end_inline_timeShift } true; 395#L901-2 [2022-02-21 04:16:59,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:59,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:16:59,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:59,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406578611] [2022-02-21 04:16:59,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:59,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:59,842 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:59,867 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:59,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:59,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1867532528, now seen corresponding path program 1 times [2022-02-21 04:16:59,868 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:59,869 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529881259] [2022-02-21 04:16:59,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:59,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:59,875 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:59,883 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:59,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:59,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1415863348, now seen corresponding path program 1 times [2022-02-21 04:16:59,888 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:59,888 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944700407] [2022-02-21 04:16:59,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:59,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:59,941 INFO L290 TraceCheckUtils]: 0: Hoare triple {763#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,942 INFO L290 TraceCheckUtils]: 1: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,943 INFO L290 TraceCheckUtils]: 2: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,943 INFO L290 TraceCheckUtils]: 3: Hoare triple {765#(= ~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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,944 INFO L290 TraceCheckUtils]: 4: Hoare triple {765#(= ~methaneLevelCritical~0 0)} main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,944 INFO L290 TraceCheckUtils]: 5: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,944 INFO L290 TraceCheckUtils]: 6: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,945 INFO L290 TraceCheckUtils]: 7: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume !false; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,945 INFO L290 TraceCheckUtils]: 8: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume test_~splverifierCounter~0#1 < 4; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,945 INFO L290 TraceCheckUtils]: 9: Hoare triple {765#(= ~methaneLevelCritical~0 0)} test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,946 INFO L290 TraceCheckUtils]: 10: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp~9#1); {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,946 INFO L290 TraceCheckUtils]: 11: Hoare triple {765#(= ~methaneLevelCritical~0 0)} test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,947 INFO L290 TraceCheckUtils]: 12: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp___0~2#1); {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,947 INFO L290 TraceCheckUtils]: 13: Hoare triple {765#(= ~methaneLevelCritical~0 0)} test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,947 INFO L290 TraceCheckUtils]: 14: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume 0 != test_~tmp___2~0#1; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,948 INFO L290 TraceCheckUtils]: 15: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume { :begin_inline_timeShift } true; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,948 INFO L290 TraceCheckUtils]: 16: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume !(0 != ~pumpRunning~0); {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,948 INFO L290 TraceCheckUtils]: 17: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,949 INFO L290 TraceCheckUtils]: 18: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,949 INFO L290 TraceCheckUtils]: 19: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,950 INFO L290 TraceCheckUtils]: 20: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment__wrappee__base } true; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,950 INFO L290 TraceCheckUtils]: 21: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,950 INFO L290 TraceCheckUtils]: 22: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment } true; {765#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:59,951 INFO L290 TraceCheckUtils]: 23: Hoare triple {765#(= ~methaneLevelCritical~0 0)} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; {766#(= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0)} is VALID [2022-02-21 04:16:59,951 INFO L290 TraceCheckUtils]: 24: Hoare triple {766#(= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0)} __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; {767#(= |ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0#1| 0)} is VALID [2022-02-21 04:16:59,952 INFO L290 TraceCheckUtils]: 25: Hoare triple {767#(= |ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0#1| 0)} assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; {764#false} is VALID [2022-02-21 04:16:59,954 INFO L290 TraceCheckUtils]: 26: Hoare triple {764#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {764#false} is VALID [2022-02-21 04:16:59,954 INFO L290 TraceCheckUtils]: 27: Hoare triple {764#false} assume { :end_inline_timeShift } true; {764#false} is VALID [2022-02-21 04:16:59,955 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 04:16:59,955 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:59,956 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944700407] [2022-02-21 04:16:59,956 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944700407] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:59,956 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:59,956 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:16:59,957 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278772495] [2022-02-21 04:16:59,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:00,045 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:00,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:17:00,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:17:00,046 INFO L87 Difference]: Start difference. First operand 143 states and 186 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:00,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:00,888 INFO L93 Difference]: Finished difference Result 521 states and 682 transitions. [2022-02-21 04:17:00,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-21 04:17:00,889 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:00,907 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:17:00,908 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 521 states and 682 transitions. [2022-02-21 04:17:00,927 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 357 [2022-02-21 04:17:00,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 521 states to 521 states and 682 transitions. [2022-02-21 04:17:00,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 521 [2022-02-21 04:17:00,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 521 [2022-02-21 04:17:00,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 521 states and 682 transitions. [2022-02-21 04:17:00,948 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:00,948 INFO L681 BuchiCegarLoop]: Abstraction has 521 states and 682 transitions. [2022-02-21 04:17:00,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states and 682 transitions. [2022-02-21 04:17:00,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 279. [2022-02-21 04:17:00,958 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:00,959 INFO L82 GeneralOperation]: Start isEquivalent. First operand 521 states and 682 transitions. Second operand has 279 states, 279 states have (on average 1.2939068100358424) internal successors, (361), 278 states have internal predecessors, (361), 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 04:17:00,959 INFO L74 IsIncluded]: Start isIncluded. First operand 521 states and 682 transitions. Second operand has 279 states, 279 states have (on average 1.2939068100358424) internal successors, (361), 278 states have internal predecessors, (361), 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 04:17:00,960 INFO L87 Difference]: Start difference. First operand 521 states and 682 transitions. Second operand has 279 states, 279 states have (on average 1.2939068100358424) internal successors, (361), 278 states have internal predecessors, (361), 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 04:17:00,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:00,995 INFO L93 Difference]: Finished difference Result 521 states and 682 transitions. [2022-02-21 04:17:00,995 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 682 transitions. [2022-02-21 04:17:00,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:00,997 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:00,998 INFO L74 IsIncluded]: Start isIncluded. First operand has 279 states, 279 states have (on average 1.2939068100358424) internal successors, (361), 278 states have internal predecessors, (361), 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 521 states and 682 transitions. [2022-02-21 04:17:00,998 INFO L87 Difference]: Start difference. First operand has 279 states, 279 states have (on average 1.2939068100358424) internal successors, (361), 278 states have internal predecessors, (361), 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 521 states and 682 transitions. [2022-02-21 04:17:01,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:01,015 INFO L93 Difference]: Finished difference Result 521 states and 682 transitions. [2022-02-21 04:17:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 682 transitions. [2022-02-21 04:17:01,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:01,016 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:01,016 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:01,017 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 279 states have (on average 1.2939068100358424) internal successors, (361), 278 states have internal predecessors, (361), 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 04:17:01,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 361 transitions. [2022-02-21 04:17:01,025 INFO L704 BuchiCegarLoop]: Abstraction has 279 states and 361 transitions. [2022-02-21 04:17:01,026 INFO L587 BuchiCegarLoop]: Abstraction has 279 states and 361 transitions. [2022-02-21 04:17:01,026 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:17:01,026 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 279 states and 361 transitions. [2022-02-21 04:17:01,027 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 192 [2022-02-21 04:17:01,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:01,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:01,028 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:01,028 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, 1] [2022-02-21 04:17:01,029 INFO L791 eck$LassoCheckResult]: Stem: 1454#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 1383#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1384#L573 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1404#L566 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 1449#L581 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 1456#L680 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1439#L656 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_#t~nondet53#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1370#L901-2 [2022-02-21 04:17:01,029 INFO L793 eck$LassoCheckResult]: Loop: 1370#L901-2 assume !false; 1440#L902 assume test_~splverifierCounter~0#1 < 4; 1441#L903 test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1409#L911 assume !(0 != test_~tmp~9#1); 1334#L911-2 test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1335#L921 assume !(0 != test_~tmp___0~2#1); 1364#L921-2 test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 1314#L931 assume 0 != test_~tmp___2~0#1; 1316#L937-2 assume { :begin_inline_timeShift } true; 1323#L703 assume !(0 != ~pumpRunning~0); 1324#L703-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret38#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1435#L761 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret37#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 1436#L735-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1453#L727-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1379#L735-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1406#L761-1 assume { :end_inline_processEnvironment } true; 1451#L710-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1402#L136-1 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 1403#L63 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 1312#L168 __utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 1313#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1491#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1369#L720 assume { :end_inline_timeShift } true; 1370#L901-2 [2022-02-21 04:17:01,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:01,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-02-21 04:17:01,030 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:01,030 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627412153] [2022-02-21 04:17:01,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:01,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:01,038 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:01,046 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:01,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:01,047 INFO L85 PathProgramCache]: Analyzing trace with hash 598823267, now seen corresponding path program 1 times [2022-02-21 04:17:01,047 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:01,047 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392436736] [2022-02-21 04:17:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:01,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:01,052 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:01,066 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:01,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:01,067 INFO L85 PathProgramCache]: Analyzing trace with hash 861208351, now seen corresponding path program 1 times [2022-02-21 04:17:01,067 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:01,067 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017019768] [2022-02-21 04:17:01,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:01,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:01,080 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:01,089 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:03,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:17:03 BoogieIcfgContainer [2022-02-21 04:17:03,853 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:17:03,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:17:03,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:17:03,854 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:17:03,854 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:58" (3/4) ... [2022-02-21 04:17:03,856 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:17:03,910 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:17:03,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:17:03,911 INFO L158 Benchmark]: Toolchain (without parser) took 6505.61ms. Allocated memory was 79.7MB in the beginning and 172.0MB in the end (delta: 92.3MB). Free memory was 44.7MB in the beginning and 109.0MB in the end (delta: -64.4MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-02-21 04:17:03,911 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 79.7MB. Free memory was 52.2MB in the beginning and 52.2MB in the end (delta: 24.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:03,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.79ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 44.5MB in the beginning and 83.0MB in the end (delta: -38.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2022-02-21 04:17:03,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.16ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 78.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:17:03,912 INFO L158 Benchmark]: Boogie Preprocessor took 57.20ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 76.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:03,913 INFO L158 Benchmark]: RCFGBuilder took 588.44ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 80.0MB in the end (delta: -3.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-02-21 04:17:03,913 INFO L158 Benchmark]: BuchiAutomizer took 5315.67ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 80.0MB in the beginning and 112.2MB in the end (delta: -32.1MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. [2022-02-21 04:17:03,913 INFO L158 Benchmark]: Witness Printer took 56.35ms. Allocated memory is still 172.0MB. Free memory was 112.2MB in the beginning and 109.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:03,915 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 0.12ms. Allocated memory is still 79.7MB. Free memory was 52.2MB in the beginning and 52.2MB in the end (delta: 24.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.79ms. Allocated memory was 79.7MB in the beginning and 117.4MB in the end (delta: 37.7MB). Free memory was 44.5MB in the beginning and 83.0MB in the end (delta: -38.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.16ms. Allocated memory is still 117.4MB. Free memory was 83.0MB in the beginning and 78.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.20ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 76.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.44ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 80.0MB in the end (delta: -3.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 5315.67ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 80.0MB in the beginning and 112.2MB in the end (delta: -32.1MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. * Witness Printer took 56.35ms. Allocated memory is still 172.0MB. Free memory was 112.2MB in the beginning and 109.0MB 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 279 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 242 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 279 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1443 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1443 mSDsluCounter, 1317 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 853 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 464 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: 901]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27c5e515=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b954a19=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1816b30c=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68e8131d=0, head=0, pumpRunning=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48ff26d6=0, tmp=0, methaneLevelCritical=0, tmp=0, tmp___0=1, \result=0, tmp=0, retValue_acc=1, retValue_acc=0, retValue_acc=0, \result=1, tmp___1=0, tmp___2=29, tmp=1, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@679dd501=0, \result=0, head=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@780d675=0, tmp___1=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32b6eb10=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43902c1e=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68116f6d=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 901]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L93] int waterLevel = 1; [L94] int methaneLevelCritical = 0; [L351] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L595] int cleanupTimeShifts = 4; [L696] int pumpRunning = 0; [L697] int systemActive = 1; [L671] int retValue_acc ; [L672] int tmp ; [L676] FCALL select_helpers() [L677] FCALL select_features() [L678] CALL, EXPR valid_product() [L577] int retValue_acc ; [L580] retValue_acc = 1 [L581] return (retValue_acc); [L678] RET, EXPR valid_product() [L678] tmp = valid_product() [L680] COND TRUE \read(tmp) [L682] FCALL setup() [L683] CALL runTest() [L665] CALL test() [L892] int splverifierCounter ; [L893] int tmp ; [L894] int tmp___0 ; [L895] int tmp___1 ; [L896] int tmp___2 ; [L899] splverifierCounter = 0 Loop: [L901] COND TRUE 1 [L903] COND TRUE splverifierCounter < 4 [L909] tmp = __VERIFIER_nondet_int() [L911] COND FALSE !(\read(tmp)) [L919] tmp___0 = __VERIFIER_nondet_int() [L921] COND FALSE !(\read(tmp___0)) [L929] tmp___2 = __VERIFIER_nondet_int() [L931] COND TRUE \read(tmp___2) [L944] CALL timeShift() [L703] COND FALSE !(\read(pumpRunning)) [L710] COND TRUE \read(systemActive) [L712] CALL processEnvironment() [L758] int tmp ; [L761] COND FALSE !(\read(pumpRunning)) [L776] CALL processEnvironment__wrappee__methaneQuery() [L732] int tmp ; [L735] COND FALSE !(\read(pumpRunning)) [L750] FCALL processEnvironment__wrappee__base() [L776] RET processEnvironment__wrappee__methaneQuery() [L712] RET processEnvironment() [L718] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L132] int retValue_acc ; [L135] retValue_acc = methaneLevelCritical [L136] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L164] int retValue_acc ; [L167] retValue_acc = waterLevel [L168] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L718] RET __utac_acc__Specification3_spec__1() [L944] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:17:03,958 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)