./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_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-?-6c24879 [2022-07-13 04:18:01,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:18:01,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:18:01,400 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:18:01,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:18:01,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:18:01,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:18:01,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:18:01,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:18:01,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:18:01,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:18:01,421 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:18:01,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:18:01,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:18:01,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:18:01,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:18:01,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:18:01,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:18:01,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:18:01,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:18:01,438 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:18:01,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:18:01,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:18:01,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:18:01,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:18:01,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:18:01,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:18:01,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:18:01,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:18:01,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:18:01,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:18:01,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:18:01,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:18:01,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:18:01,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:18:01,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:18:01,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:18:01,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:18:01,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:18:01,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:18:01,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:18:01,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:18:01,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:18:01,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:18:01,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:18:01,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:18:01,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:18:01,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:18:01,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:18:01,480 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:18:01,481 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:18:01,481 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:18:01,481 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:18:01,482 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:18:01,482 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:18:01,482 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:18:01,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:18:01,482 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:18:01,482 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:18:01,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:18:01,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:18:01,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:18:01,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:18:01,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:18:01,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:18:01,484 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:18:01,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:18:01,484 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:18:01,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:18:01,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:18:01,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:18:01,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:18:01,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:18:01,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:18:01,486 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:18:01,486 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76c265ee8cd79c32bac129a25f21c9052690eb74ca3013be3603e97bc6872f20 [2022-07-13 04:18:01,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:18:01,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:18:01,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:18:01,722 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:18:01,722 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:18:01,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2022-07-13 04:18:01,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa8027d4/0097dbb84b95405c9d4a2c8b34cfe0c7/FLAGe6b172cf6 [2022-07-13 04:18:02,184 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:18:02,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product29.cil.c [2022-07-13 04:18:02,194 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa8027d4/0097dbb84b95405c9d4a2c8b34cfe0c7/FLAGe6b172cf6 [2022-07-13 04:18:02,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fa8027d4/0097dbb84b95405c9d4a2c8b34cfe0c7 [2022-07-13 04:18:02,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:18:02,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:18:02,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:18:02,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:18:02,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:18:02,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:18:02" (1/1) ... [2022-07-13 04:18:02,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c209dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02, skipping insertion in model container [2022-07-13 04:18:02,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:18:02" (1/1) ... [2022-07-13 04:18:02,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:18:02,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:18:02,786 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] [2022-07-13 04:18:02,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:18:02,812 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:18:02,863 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] [2022-07-13 04:18:02,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:18:02,888 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:18:02,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02 WrapperNode [2022-07-13 04:18:02,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:18:02,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:18:02,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:18:02,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:18:02,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02" (1/1) ... [2022-07-13 04:18:02,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02" (1/1) ... [2022-07-13 04:18:02,955 INFO L137 Inliner]: procedures = 54, calls = 156, calls flagged for inlining = 53, calls inlined = 80, statements flattened = 590 [2022-07-13 04:18:02,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:18:02,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:18:02,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:18:02,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:18:02,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02" (1/1) ... [2022-07-13 04:18:02,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02" (1/1) ... [2022-07-13 04:18:02,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02" (1/1) ... [2022-07-13 04:18:02,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02" (1/1) ... [2022-07-13 04:18:02,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02" (1/1) ... [2022-07-13 04:18:02,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02" (1/1) ... [2022-07-13 04:18:02,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02" (1/1) ... [2022-07-13 04:18:03,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:18:03,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:18:03,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:18:03,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:18:03,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02" (1/1) ... [2022-07-13 04:18:03,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:18:03,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:18:03,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:18:03,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:18:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:18:03,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:18:03,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:18:03,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:18:03,173 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:18:03,188 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:18:03,559 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:18:03,568 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:18:03,568 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:18:03,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:18:03 BoogieIcfgContainer [2022-07-13 04:18:03,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:18:03,572 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:18:03,572 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:18:03,574 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:18:03,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:18:03,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:18:02" (1/3) ... [2022-07-13 04:18:03,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@269e068c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:18:03, skipping insertion in model container [2022-07-13 04:18:03,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:18:03,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:18:02" (2/3) ... [2022-07-13 04:18:03,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@269e068c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:18:03, skipping insertion in model container [2022-07-13 04:18:03,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:18:03,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:18:03" (3/3) ... [2022-07-13 04:18:03,578 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2022-07-13 04:18:03,621 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:18:03,621 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:18:03,621 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:18:03,621 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:18:03,621 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:18:03,622 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:18:03,622 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:18:03,622 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:18:03,629 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) [2022-07-13 04:18:03,654 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2022-07-13 04:18:03,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:18:03,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:18:03,675 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:03,675 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:03,676 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:18:03,676 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) [2022-07-13 04:18:03,680 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 100 [2022-07-13 04:18:03,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:18:03,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:18:03,681 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:03,681 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:03,688 INFO L752 eck$LassoCheckResult]: Stem: 136#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; 51#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; 64#L573true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 121#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; 156#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; 144#L680true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 104#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; 114#L901-2true [2022-07-13 04:18:03,694 INFO L754 eck$LassoCheckResult]: Loop: 114#L901-2true assume !false; 105#L902true assume test_~splverifierCounter~0#1 < 4; 113#L903true test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 68#L911true assume !(0 != test_~tmp~9#1); 20#L911-2true test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 122#L921true assume !(0 != test_~tmp___0~2#1); 37#L921-2true test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 10#L931true assume 0 != test_~tmp___2~0#1; 112#L937-2true assume { :begin_inline_timeShift } true; 15#L703true assume !(0 != ~pumpRunning~0); 103#L703-2true assume !(0 != ~systemActive~0); 76#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; 63#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; 6#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 152#L69-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 40#L720true assume { :end_inline_timeShift } true; 114#L901-2true [2022-07-13 04:18:03,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:03,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-13 04:18:03,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:03,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886100492] [2022-07-13 04:18:03,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:03,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:03,825 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:03,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:18:03,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:03,874 INFO L85 PathProgramCache]: Analyzing trace with hash 679856854, now seen corresponding path program 1 times [2022-07-13 04:18:03,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:03,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436499970] [2022-07-13 04:18:03,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:03,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:03,899 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:03,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:18:03,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:03,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2035275930, now seen corresponding path program 1 times [2022-07-13 04:18:03,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:03,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242864823] [2022-07-13 04:18:03,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:03,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:18:04,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:18:04,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:18:04,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242864823] [2022-07-13 04:18:04,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242864823] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:18:04,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:18:04,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:18:04,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453065647] [2022-07-13 04:18:04,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:18:04,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:18:04,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 04:18:04,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 04:18:04,157 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) [2022-07-13 04:18:04,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:18:04,202 INFO L93 Difference]: Finished difference Result 153 states and 196 transitions. [2022-07-13 04:18:04,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 04:18:04,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 196 transitions. [2022-07-13 04:18:04,209 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-07-13 04:18:04,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 143 states and 186 transitions. [2022-07-13 04:18:04,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 143 [2022-07-13 04:18:04,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 143 [2022-07-13 04:18:04,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 143 states and 186 transitions. [2022-07-13 04:18:04,214 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:18:04,215 INFO L369 hiAutomatonCegarLoop]: Abstraction has 143 states and 186 transitions. [2022-07-13 04:18:04,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states and 186 transitions. [2022-07-13 04:18:04,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-07-13 04:18:04,234 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) [2022-07-13 04:18:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 186 transitions. [2022-07-13 04:18:04,236 INFO L392 hiAutomatonCegarLoop]: Abstraction has 143 states and 186 transitions. [2022-07-13 04:18:04,236 INFO L374 stractBuchiCegarLoop]: Abstraction has 143 states and 186 transitions. [2022-07-13 04:18:04,236 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:18:04,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 143 states and 186 transitions. [2022-07-13 04:18:04,237 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2022-07-13 04:18:04,237 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:18:04,237 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:18:04,238 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:04,238 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:04,238 INFO L752 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 [2022-07-13 04:18:04,238 INFO L754 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 [2022-07-13 04:18:04,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:04,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-13 04:18:04,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:04,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670508197] [2022-07-13 04:18:04,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:04,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:04,248 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:04,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:18:04,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:04,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1867532528, now seen corresponding path program 1 times [2022-07-13 04:18:04,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:04,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847824168] [2022-07-13 04:18:04,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:04,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:04,280 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:04,286 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:18:04,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:04,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1415863348, now seen corresponding path program 1 times [2022-07-13 04:18:04,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:04,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448546163] [2022-07-13 04:18:04,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:04,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:18:04,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:18:04,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:18:04,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448546163] [2022-07-13 04:18:04,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448546163] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:18:04,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:18:04,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 04:18:04,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865928366] [2022-07-13 04:18:04,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:18:04,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:18:04,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 04:18:04,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 04:18:04,407 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) [2022-07-13 04:18:04,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:18:04,535 INFO L93 Difference]: Finished difference Result 521 states and 682 transitions. [2022-07-13 04:18:04,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 04:18:04,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 521 states and 682 transitions. [2022-07-13 04:18:04,543 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 357 [2022-07-13 04:18:04,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 521 states to 521 states and 682 transitions. [2022-07-13 04:18:04,547 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 521 [2022-07-13 04:18:04,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 521 [2022-07-13 04:18:04,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 521 states and 682 transitions. [2022-07-13 04:18:04,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:18:04,550 INFO L369 hiAutomatonCegarLoop]: Abstraction has 521 states and 682 transitions. [2022-07-13 04:18:04,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states and 682 transitions. [2022-07-13 04:18:04,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 279. [2022-07-13 04:18:04,562 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) [2022-07-13 04:18:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 361 transitions. [2022-07-13 04:18:04,564 INFO L392 hiAutomatonCegarLoop]: Abstraction has 279 states and 361 transitions. [2022-07-13 04:18:04,564 INFO L374 stractBuchiCegarLoop]: Abstraction has 279 states and 361 transitions. [2022-07-13 04:18:04,564 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 04:18:04,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 279 states and 361 transitions. [2022-07-13 04:18:04,566 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 192 [2022-07-13 04:18:04,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:18:04,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:18:04,566 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:04,567 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:18:04,567 INFO L752 eck$LassoCheckResult]: Stem: 1169#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; 1095#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; 1096#L573 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1116#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; 1163#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; 1171#L680 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1152#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; 1082#L901-2 [2022-07-13 04:18:04,568 INFO L754 eck$LassoCheckResult]: Loop: 1082#L901-2 assume !false; 1153#L902 assume test_~splverifierCounter~0#1 < 4; 1154#L903 test_~tmp~9#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1287#L911 assume !(0 != test_~tmp~9#1); 1285#L911-2 test_~tmp___0~2#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1164#L921 assume !(0 != test_~tmp___0~2#1); 1077#L921-2 test_~tmp___2~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 1026#L931 assume 0 != test_~tmp___2~0#1; 1028#L937-2 assume { :begin_inline_timeShift } true; 1036#L703 assume !(0 != ~pumpRunning~0); 1037#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; 1148#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; 1149#L735-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1168#L727-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1091#L735-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1118#L761-1 assume { :end_inline_processEnvironment } true; 1166#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; 1114#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; 1115#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; 1024#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; 1025#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1206#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1081#L720 assume { :end_inline_timeShift } true; 1082#L901-2 [2022-07-13 04:18:04,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:04,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-07-13 04:18:04,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:04,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080316714] [2022-07-13 04:18:04,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:04,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:04,582 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:04,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:18:04,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:04,600 INFO L85 PathProgramCache]: Analyzing trace with hash 598823267, now seen corresponding path program 1 times [2022-07-13 04:18:04,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:04,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248507319] [2022-07-13 04:18:04,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:04,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:04,607 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:04,617 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:18:04,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:18:04,619 INFO L85 PathProgramCache]: Analyzing trace with hash 861208351, now seen corresponding path program 1 times [2022-07-13 04:18:04,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:18:04,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844247296] [2022-07-13 04:18:04,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:18:04,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:18:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:04,649 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:18:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:18:04,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:18:07,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:18:07 BoogieIcfgContainer [2022-07-13 04:18:07,041 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:18:07,041 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:18:07,041 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:18:07,041 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:18:07,042 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:18:03" (3/4) ... [2022-07-13 04:18:07,043 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:18:07,100 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:18:07,100 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:18:07,101 INFO L158 Benchmark]: Toolchain (without parser) took 4522.24ms. Allocated memory was 111.1MB in the beginning and 167.8MB in the end (delta: 56.6MB). Free memory was 80.8MB in the beginning and 139.6MB in the end (delta: -58.7MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2022-07-13 04:18:07,101 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 77.6MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:18:07,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.84ms. Allocated memory is still 111.1MB. Free memory was 80.6MB in the beginning and 62.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-13 04:18:07,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.37ms. Allocated memory is still 111.1MB. Free memory was 62.0MB in the beginning and 58.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 04:18:07,102 INFO L158 Benchmark]: Boogie Preprocessor took 44.85ms. Allocated memory is still 111.1MB. Free memory was 58.7MB in the beginning and 56.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:18:07,102 INFO L158 Benchmark]: RCFGBuilder took 569.37ms. Allocated memory is still 111.1MB. Free memory was 56.5MB in the beginning and 72.4MB in the end (delta: -16.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2022-07-13 04:18:07,103 INFO L158 Benchmark]: BuchiAutomizer took 3468.61ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 72.4MB in the beginning and 43.1MB in the end (delta: 29.3MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. [2022-07-13 04:18:07,103 INFO L158 Benchmark]: Witness Printer took 58.83ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 43.1MB in the beginning and 139.6MB in the end (delta: -96.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 04:18:07,104 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 77.6MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.84ms. Allocated memory is still 111.1MB. Free memory was 80.6MB in the beginning and 62.1MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.37ms. Allocated memory is still 111.1MB. Free memory was 62.0MB in the beginning and 58.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.85ms. Allocated memory is still 111.1MB. Free memory was 58.7MB in the beginning and 56.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 569.37ms. Allocated memory is still 111.1MB. Free memory was 56.5MB in the beginning and 72.4MB in the end (delta: -16.0MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3468.61ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 72.4MB in the beginning and 43.1MB in the end (delta: 29.3MB). Peak memory consumption was 66.7MB. Max. memory is 16.1GB. * Witness Printer took 58.83ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 43.1MB in the beginning and 139.6MB in the end (delta: -96.4MB). Peak memory consumption was 4.2MB. 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 3.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 242 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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 InitialAbstractionConstructionTime: 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@1dc84957=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@703a1ece=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1630f733=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@411aea7f=0, head=0, pumpRunning=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6637b984=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@3e870e1=0, \result=0, head=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@179d9318=0, tmp___1=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15d6fdc1=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1789baa1=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a874dbc=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! [2022-07-13 04:18:07,145 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)