./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product09.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_spec1_product09.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 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:14:57,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:14:57,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:14:57,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:14:57,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:14:57,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:14:57,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:14:57,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:14:57,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:14:57,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:14:57,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:14:57,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:14:57,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:14:57,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:14:57,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:14:57,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:14:57,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:14:57,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:14:57,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:14:57,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:14:57,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:14:57,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:14:57,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:14:57,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:14:57,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:14:57,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:14:57,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:14:57,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:14:57,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:14:57,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:14:57,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:14:57,518 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:14:57,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:14:57,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:14:57,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:14:57,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:14:57,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:14:57,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:14:57,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:14:57,523 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:14:57,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:14:57,527 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:14:57,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:14:57,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:14:57,549 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:14:57,549 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:14:57,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:14:57,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:14:57,550 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:14:57,550 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:14:57,550 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:14:57,551 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:14:57,551 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:14:57,551 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:14:57,551 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:14:57,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:14:57,551 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:14:57,551 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:14:57,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:14:57,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:14:57,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:14:57,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:14:57,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:14:57,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:14:57,552 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:14:57,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:14:57,552 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:14:57,552 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:14:57,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:14:57,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:14:57,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:14:57,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:14:57,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:14:57,553 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:14:57,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 704fe23cb6270cdc3b62ea1d942aa0e1862f1800a4de1ce1a14a8307d368eae5 [2022-02-21 04:14:57,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:14:57,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:14:57,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:14:57,760 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:14:57,763 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:14:57,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2022-02-21 04:14:57,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7912c1d9/df76685e97d742ed93d8705aa32e1223/FLAG36ed56779 [2022-02-21 04:14:58,248 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:14:58,249 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product09.cil.c [2022-02-21 04:14:58,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7912c1d9/df76685e97d742ed93d8705aa32e1223/FLAG36ed56779 [2022-02-21 04:14:58,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7912c1d9/df76685e97d742ed93d8705aa32e1223 [2022-02-21 04:14:58,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:14:58,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:14:58,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:14:58,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:14:58,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:14:58,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:14:58" (1/1) ... [2022-02-21 04:14:58,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845a628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58, skipping insertion in model container [2022-02-21 04:14:58,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:14:58" (1/1) ... [2022-02-21 04:14:58,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:14:58,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:14:58,526 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_spec1_product09.cil.c[13030,13043] [2022-02-21 04:14:58,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:14:58,564 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:14:58,610 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_spec1_product09.cil.c[13030,13043] [2022-02-21 04:14:58,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:14:58,639 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:14:58,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58 WrapperNode [2022-02-21 04:14:58,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:14:58,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:14:58,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:14:58,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:14:58,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58" (1/1) ... [2022-02-21 04:14:58,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58" (1/1) ... [2022-02-21 04:14:58,711 INFO L137 Inliner]: procedures = 50, calls = 146, calls flagged for inlining = 43, calls inlined = 32, statements flattened = 278 [2022-02-21 04:14:58,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:14:58,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:14:58,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:14:58,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:14:58,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58" (1/1) ... [2022-02-21 04:14:58,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58" (1/1) ... [2022-02-21 04:14:58,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58" (1/1) ... [2022-02-21 04:14:58,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58" (1/1) ... [2022-02-21 04:14:58,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58" (1/1) ... [2022-02-21 04:14:58,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58" (1/1) ... [2022-02-21 04:14:58,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58" (1/1) ... [2022-02-21 04:14:58,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:14:58,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:14:58,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:14:58,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:14:58,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58" (1/1) ... [2022-02-21 04:14:58,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:14:58,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:14:58,783 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 04:14:58,785 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 04:14:58,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:14:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:14:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:14:58,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:14:58,857 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:14:58,858 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:14:59,056 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:14:59,061 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:14:59,061 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:14:59,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:59 BoogieIcfgContainer [2022-02-21 04:14:59,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:14:59,063 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:14:59,079 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:14:59,082 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:14:59,082 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:14:59,082 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:14:58" (1/3) ... [2022-02-21 04:14:59,083 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bf4da83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:14:59, skipping insertion in model container [2022-02-21 04:14:59,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:14:59,083 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:58" (2/3) ... [2022-02-21 04:14:59,083 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bf4da83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:14:59, skipping insertion in model container [2022-02-21 04:14:59,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:14:59,084 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:59" (3/3) ... [2022-02-21 04:14:59,084 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2022-02-21 04:14:59,126 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:14:59,126 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:14:59,126 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:14:59,126 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:14:59,126 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:14:59,126 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:14:59,126 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:14:59,127 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:14:59,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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 04:14:59,180 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2022-02-21 04:14:59,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:14:59,180 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:14:59,185 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:59,185 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 04:14:59,185 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:14:59,186 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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 04:14:59,193 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2022-02-21 04:14:59,193 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:14:59,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:14:59,193 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:59,194 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 04:14:59,197 INFO L791 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 63#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 59#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 30#L83true main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 31#L634true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 55#L610true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 29#L787-2true [2022-02-21 04:14:59,207 INFO L793 eck$LassoCheckResult]: Loop: 29#L787-2true assume !false; 73#L788true assume test_~splverifierCounter~0#1 < 4; 4#L789true test_~tmp~5#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 24#L797true assume !(0 != test_~tmp~5#1); 37#L797-2true test_~tmp___0~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 11#L807true assume !(0 != test_~tmp___0~0#1); 8#L807-2true test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 61#L817true assume 0 != test_~tmp___2~0#1; 74#L823-2true assume { :begin_inline_timeShift } true; 34#L659true assume !(0 != ~pumpRunning~0); 12#L659-2true assume !(0 != ~systemActive~0); 46#L666-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 75#L503true __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 56#L850true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 47#L850-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 76#L676true assume { :end_inline_timeShift } true; 29#L787-2true [2022-02-21 04:14:59,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:59,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:14:59,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:59,219 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119510533] [2022-02-21 04:14:59,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:59,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:59,322 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:14:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:59,400 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:14:59,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:59,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1686806396, now seen corresponding path program 1 times [2022-02-21 04:14:59,402 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:59,403 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800690595] [2022-02-21 04:14:59,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:59,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:59,409 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:14:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:59,414 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:14:59,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:59,416 INFO L85 PathProgramCache]: Analyzing trace with hash -331387320, now seen corresponding path program 1 times [2022-02-21 04:14:59,416 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:59,416 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941067447] [2022-02-21 04:14:59,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:59,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:14:59,565 INFO L290 TraceCheckUtils]: 0: Hoare triple {83#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; {85#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:14:59,566 INFO L290 TraceCheckUtils]: 1: Hoare triple {85#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; {85#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:14:59,566 INFO L290 TraceCheckUtils]: 2: Hoare triple {85#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {85#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:14:59,567 INFO L290 TraceCheckUtils]: 3: Hoare triple {85#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {86#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:14:59,567 INFO L290 TraceCheckUtils]: 4: Hoare triple {86#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; {87#(= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0)} is VALID [2022-02-21 04:14:59,568 INFO L290 TraceCheckUtils]: 5: Hoare triple {87#(= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0)} assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:59,568 INFO L290 TraceCheckUtils]: 6: Hoare triple {88#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:59,569 INFO L290 TraceCheckUtils]: 7: Hoare triple {88#(not (= 0 ~systemActive~0))} assume !false; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:59,569 INFO L290 TraceCheckUtils]: 8: Hoare triple {88#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:59,570 INFO L290 TraceCheckUtils]: 9: Hoare triple {88#(not (= 0 ~systemActive~0))} test_~tmp~5#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:59,570 INFO L290 TraceCheckUtils]: 10: Hoare triple {88#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~5#1); {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:59,571 INFO L290 TraceCheckUtils]: 11: Hoare triple {88#(not (= 0 ~systemActive~0))} test_~tmp___0~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:59,571 INFO L290 TraceCheckUtils]: 12: Hoare triple {88#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:59,572 INFO L290 TraceCheckUtils]: 13: Hoare triple {88#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:59,572 INFO L290 TraceCheckUtils]: 14: Hoare triple {88#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:59,573 INFO L290 TraceCheckUtils]: 15: Hoare triple {88#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:59,573 INFO L290 TraceCheckUtils]: 16: Hoare triple {88#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {88#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:59,573 INFO L290 TraceCheckUtils]: 17: Hoare triple {88#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {84#false} is VALID [2022-02-21 04:14:59,574 INFO L290 TraceCheckUtils]: 18: Hoare triple {84#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; {84#false} is VALID [2022-02-21 04:14:59,574 INFO L290 TraceCheckUtils]: 19: Hoare triple {84#false} __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; {84#false} is VALID [2022-02-21 04:14:59,574 INFO L290 TraceCheckUtils]: 20: Hoare triple {84#false} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); {84#false} is VALID [2022-02-21 04:14:59,574 INFO L290 TraceCheckUtils]: 21: Hoare triple {84#false} assume { :end_inline___utac_acc__Specification1_spec__1 } true; {84#false} is VALID [2022-02-21 04:14:59,574 INFO L290 TraceCheckUtils]: 22: Hoare triple {84#false} assume { :end_inline_timeShift } true; {84#false} is VALID [2022-02-21 04:14:59,576 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 04:14:59,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:14:59,578 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941067447] [2022-02-21 04:14:59,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941067447] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:14:59,579 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:14:59,579 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:14:59,579 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059132313] [2022-02-21 04:14:59,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:14:59,695 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:14:59,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:14:59,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:14:59,732 INFO L87 Difference]: Start difference. First operand has 75 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 74 states have internal predecessors, (102), 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 04:14:59,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:14:59,942 INFO L93 Difference]: Finished difference Result 72 states and 88 transitions. [2022-02-21 04:14:59,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:14:59,943 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 04:14:59,963 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 04:14:59,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 88 transitions. [2022-02-21 04:14:59,982 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2022-02-21 04:14:59,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 62 states and 78 transitions. [2022-02-21 04:14:59,989 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2022-02-21 04:14:59,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2022-02-21 04:14:59,991 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 78 transitions. [2022-02-21 04:14:59,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:14:59,992 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-02-21 04:15:00,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 78 transitions. [2022-02-21 04:15:00,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-02-21 04:15:00,018 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:15:00,020 INFO L82 GeneralOperation]: Start isEquivalent. First operand 62 states and 78 transitions. Second operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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 04:15:00,020 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states and 78 transitions. Second operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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 04:15:00,021 INFO L87 Difference]: Start difference. First operand 62 states and 78 transitions. Second operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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 04:15:00,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:15:00,026 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2022-02-21 04:15:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-02-21 04:15:00,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:15:00,027 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:15:00,028 INFO L74 IsIncluded]: Start isIncluded. First operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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 62 states and 78 transitions. [2022-02-21 04:15:00,028 INFO L87 Difference]: Start difference. First operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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 62 states and 78 transitions. [2022-02-21 04:15:00,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:15:00,030 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2022-02-21 04:15:00,030 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-02-21 04:15:00,030 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:15:00,030 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:15:00,031 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:15:00,031 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:15:00,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 61 states have internal predecessors, (78), 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 04:15:00,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 78 transitions. [2022-02-21 04:15:00,033 INFO L704 BuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-02-21 04:15:00,034 INFO L587 BuchiCegarLoop]: Abstraction has 62 states and 78 transitions. [2022-02-21 04:15:00,034 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:15:00,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 78 transitions. [2022-02-21 04:15:00,035 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 42 [2022-02-21 04:15:00,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:15:00,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:15:00,036 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:15:00,036 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:15:00,036 INFO L791 eck$LassoCheckResult]: Stem: 221#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 212#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 213#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 224#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 197#L83 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 198#L634 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 199#L610 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 195#L787-2 [2022-02-21 04:15:00,037 INFO L793 eck$LassoCheckResult]: Loop: 195#L787-2 assume !false; 196#L788 assume test_~splverifierCounter~0#1 < 4; 167#L789 test_~tmp~5#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 168#L797 assume !(0 != test_~tmp~5#1); 193#L797-2 test_~tmp___0~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 176#L807 assume !(0 != test_~tmp___0~0#1); 174#L807-2 test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 175#L817 assume 0 != test_~tmp___2~0#1; 170#L823-2 assume { :begin_inline_timeShift } true; 205#L659 assume !(0 != ~pumpRunning~0); 178#L659-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 179#L683 assume { :end_inline_processEnvironment } true; 183#L666-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 211#L503 __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 222#L850 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 214#L850-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 215#L676 assume { :end_inline_timeShift } true; 195#L787-2 [2022-02-21 04:15:00,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:15:00,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:15:00,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:15:00,038 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461955380] [2022-02-21 04:15:00,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:15:00,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:15:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:00,067 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:15:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:00,091 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:15:00,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:15:00,092 INFO L85 PathProgramCache]: Analyzing trace with hash -123311071, now seen corresponding path program 1 times [2022-02-21 04:15:00,092 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:15:00,092 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395967355] [2022-02-21 04:15:00,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:15:00,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:15:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:00,098 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:15:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:00,102 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:15:00,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:15:00,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1054992675, now seen corresponding path program 1 times [2022-02-21 04:15:00,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:15:00,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604044757] [2022-02-21 04:15:00,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:15:00,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:15:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:00,115 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:15:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:00,132 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:15:02,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:15:02 BoogieIcfgContainer [2022-02-21 04:15:02,490 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:15:02,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:15:02,495 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:15:02,496 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:15:02,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:59" (3/4) ... [2022-02-21 04:15:02,500 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:15:02,534 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:15:02,534 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:15:02,535 INFO L158 Benchmark]: Toolchain (without parser) took 4265.64ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 77.4MB in the beginning and 53.5MB in the end (delta: 23.8MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,535 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory was 40.1MB in the beginning and 40.1MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:15:02,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.46ms. Allocated memory is still 111.1MB. Free memory was 77.2MB in the beginning and 77.2MB in the end (delta: -49.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.47ms. Allocated memory is still 111.1MB. Free memory was 77.2MB in the beginning and 74.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,537 INFO L158 Benchmark]: Boogie Preprocessor took 26.82ms. Allocated memory is still 111.1MB. Free memory was 74.1MB in the beginning and 72.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,537 INFO L158 Benchmark]: RCFGBuilder took 323.20ms. Allocated memory is still 111.1MB. Free memory was 72.5MB in the beginning and 55.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,537 INFO L158 Benchmark]: BuchiAutomizer took 3427.19ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 55.7MB in the beginning and 56.6MB in the end (delta: -907.5kB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,538 INFO L158 Benchmark]: Witness Printer took 39.00ms. Allocated memory is still 136.3MB. Free memory was 56.6MB in the beginning and 53.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,540 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 0.37ms. Allocated memory is still 77.6MB. Free memory was 40.1MB in the beginning and 40.1MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.46ms. Allocated memory is still 111.1MB. Free memory was 77.2MB in the beginning and 77.2MB in the end (delta: -49.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.47ms. Allocated memory is still 111.1MB. Free memory was 77.2MB in the beginning and 74.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.82ms. Allocated memory is still 111.1MB. Free memory was 74.1MB in the beginning and 72.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.20ms. Allocated memory is still 111.1MB. Free memory was 72.5MB in the beginning and 55.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3427.19ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 55.7MB in the beginning and 56.6MB in the end (delta: -907.5kB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * Witness Printer took 39.00ms. Allocated memory is still 136.3MB. Free memory was 56.6MB in the beginning and 53.5MB 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 62 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 62 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 254 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 83 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 787]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, pumpRunning=0, retValue_acc=0, tmp___0=0, NULL=1, tmp___0=0, methaneLevelCritical=0, \result=0, retValue_acc=1, \result=1, retValue_acc=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a4c00e6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ad8c42f=0, tmp=1, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71e7b76b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f96d645=0, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d006aae=0, tmp=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fd86200=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@febd252=29} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 787]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L619] CALL test() [L778] int splverifierCounter ; [L779] int tmp ; [L780] int tmp___0 ; [L781] int tmp___1 ; [L782] int tmp___2 ; [L785] splverifierCounter = 0 Loop: [L787] COND TRUE 1 [L789] COND TRUE splverifierCounter < 4 [L795] tmp = __VERIFIER_nondet_int() [L797] COND FALSE !(\read(tmp)) [L805] tmp___0 = __VERIFIER_nondet_int() [L807] COND FALSE !(\read(tmp___0)) [L815] tmp___2 = __VERIFIER_nondet_int() [L817] COND TRUE \read(tmp___2) [L830] CALL timeShift() [L659] COND FALSE !(\read(pumpRunning)) [L666] COND TRUE \read(systemActive) [L668] FCALL processEnvironment() [L674] CALL __utac_acc__Specification1_spec__1() [L843] int tmp ; [L844] int tmp___0 ; [L848] CALL, EXPR isMethaneLevelCritical() [L499] int retValue_acc ; [L502] retValue_acc = methaneLevelCritical [L503] return (retValue_acc); [L848] RET, EXPR isMethaneLevelCritical() [L848] tmp = isMethaneLevelCritical() [L850] COND FALSE !(\read(tmp)) [L674] RET __utac_acc__Specification1_spec__1() [L830] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:15:02,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)