./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ae007674 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_spec1_product16.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 f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 09:39:12,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 09:39:12,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 09:39:12,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 09:39:12,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 09:39:12,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 09:39:12,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 09:39:12,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 09:39:12,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 09:39:12,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 09:39:12,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 09:39:12,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 09:39:12,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 09:39:12,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 09:39:12,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 09:39:12,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 09:39:12,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 09:39:12,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 09:39:12,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 09:39:12,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 09:39:12,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 09:39:12,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 09:39:12,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 09:39:12,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 09:39:12,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 09:39:12,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 09:39:12,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 09:39:12,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 09:39:12,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 09:39:12,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 09:39:12,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 09:39:12,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 09:39:12,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 09:39:12,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 09:39:12,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 09:39:12,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 09:39:12,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 09:39:12,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 09:39:12,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 09:39:12,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 09:39:12,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 09:39:12,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-28 09:39:12,963 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 09:39:12,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 09:39:12,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 09:39:12,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 09:39:12,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 09:39:12,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 09:39:12,967 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 09:39:12,967 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-28 09:39:12,967 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-28 09:39:12,967 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-28 09:39:12,968 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-28 09:39:12,968 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-28 09:39:12,968 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-28 09:39:12,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 09:39:12,968 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 09:39:12,969 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-28 09:39:12,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 09:39:12,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 09:39:12,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 09:39:12,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-28 09:39:12,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-28 09:39:12,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-28 09:39:12,970 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 09:39:12,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 09:39:12,970 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-28 09:39:12,970 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 09:39:12,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-28 09:39:12,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 09:39:12,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 09:39:12,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 09:39:12,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 09:39:12,972 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-28 09:39:12,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f148fc9ce65faa66ebebdaf3c4bc47bc200a3ebfe7e123b8276da7aa11779ba7 [2021-12-28 09:39:13,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 09:39:13,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 09:39:13,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 09:39:13,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 09:39:13,258 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 09:39:13,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2021-12-28 09:39:13,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2f71aeba/6dfd936206014ef0a910cb7e5ebeb0e5/FLAGbb86800a5 [2021-12-28 09:39:13,729 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 09:39:13,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2021-12-28 09:39:13,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2f71aeba/6dfd936206014ef0a910cb7e5ebeb0e5/FLAGbb86800a5 [2021-12-28 09:39:14,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2f71aeba/6dfd936206014ef0a910cb7e5ebeb0e5 [2021-12-28 09:39:14,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 09:39:14,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 09:39:14,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 09:39:14,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 09:39:14,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 09:39:14,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:39:14" (1/1) ... [2021-12-28 09:39:14,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23db1b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14, skipping insertion in model container [2021-12-28 09:39:14,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 09:39:14" (1/1) ... [2021-12-28 09:39:14,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 09:39:14,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 09:39:14,290 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_product16.cil.c[4901,4914] [2021-12-28 09:39:14,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:39:14,363 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 09:39:14,378 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_product16.cil.c[4901,4914] [2021-12-28 09:39:14,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 09:39:14,449 INFO L208 MainTranslator]: Completed translation [2021-12-28 09:39:14,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14 WrapperNode [2021-12-28 09:39:14,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 09:39:14,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 09:39:14,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 09:39:14,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 09:39:14,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14" (1/1) ... [2021-12-28 09:39:14,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14" (1/1) ... [2021-12-28 09:39:14,516 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 50, calls inlined = 50, statements flattened = 369 [2021-12-28 09:39:14,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 09:39:14,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 09:39:14,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 09:39:14,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 09:39:14,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14" (1/1) ... [2021-12-28 09:39:14,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14" (1/1) ... [2021-12-28 09:39:14,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14" (1/1) ... [2021-12-28 09:39:14,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14" (1/1) ... [2021-12-28 09:39:14,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14" (1/1) ... [2021-12-28 09:39:14,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14" (1/1) ... [2021-12-28 09:39:14,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14" (1/1) ... [2021-12-28 09:39:14,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 09:39:14,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 09:39:14,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 09:39:14,555 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 09:39:14,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14" (1/1) ... [2021-12-28 09:39:14,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-28 09:39:14,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 09:39:14,580 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) [2021-12-28 09:39:14,599 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 [2021-12-28 09:39:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 09:39:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 09:39:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 09:39:14,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 09:39:14,685 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 09:39:14,687 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 09:39:14,924 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 09:39:14,929 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 09:39:14,929 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 09:39:14,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:39:14 BoogieIcfgContainer [2021-12-28 09:39:14,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 09:39:14,931 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-28 09:39:14,932 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-28 09:39:14,934 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-28 09:39:14,934 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:39:14,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.12 09:39:14" (1/3) ... [2021-12-28 09:39:14,935 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79f7706c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:39:14, skipping insertion in model container [2021-12-28 09:39:14,935 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:39:14,935 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 09:39:14" (2/3) ... [2021-12-28 09:39:14,936 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79f7706c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.12 09:39:14, skipping insertion in model container [2021-12-28 09:39:14,936 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-28 09:39:14,936 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:39:14" (3/3) ... [2021-12-28 09:39:14,937 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2021-12-28 09:39:14,963 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-28 09:39:14,963 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-28 09:39:14,963 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-28 09:39:14,963 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-28 09:39:14,963 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-28 09:39:14,963 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-28 09:39:14,964 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-28 09:39:14,964 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-28 09:39:14,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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) [2021-12-28 09:39:14,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-12-28 09:39:14,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:39:14,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:39:14,998 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:14,998 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:14,998 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-28 09:39:15,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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) [2021-12-28 09:39:15,004 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-12-28 09:39:15,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:39:15,005 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:39:15,005 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:15,006 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:15,009 INFO L791 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 24#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 62#L189true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 72#L182true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 55#L197true main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 45#L287true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 95#L263true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 59#L863-2true [2021-12-28 09:39:15,010 INFO L793 eck$LassoCheckResult]: Loop: 59#L863-2true assume !false; 86#L864true assume test_~splverifierCounter~0#1 < 4; 73#L865true test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 27#L873true assume !(0 != test_~tmp~7#1); 100#L873-2true test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 23#L883true assume !(0 != test_~tmp___0~1#1); 17#L883-2true test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 58#L893true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 97#L901true assume !(0 != test_~tmp___1~0#1); 74#L901-2true assume { :begin_inline_timeShift } true; 39#L687true assume !(0 != ~pumpRunning~0); 50#L687-2true assume !(0 != ~systemActive~0); 84#L694-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#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; 32#L99-1true __utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 63#L146true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 15#L146-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 41#L704true assume { :end_inline_timeShift } true; 59#L863-2true [2021-12-28 09:39:15,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:15,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-28 09:39:15,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:15,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099508666] [2021-12-28 09:39:15,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:15,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:15,091 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:15,159 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:15,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:15,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1173750095, now seen corresponding path program 1 times [2021-12-28 09:39:15,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:15,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732970502] [2021-12-28 09:39:15,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:15,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:15,168 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:15,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:15,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:15,173 INFO L85 PathProgramCache]: Analyzing trace with hash 242068491, now seen corresponding path program 1 times [2021-12-28 09:39:15,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:15,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886882026] [2021-12-28 09:39:15,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:15,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 09:39:15,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 09:39:15,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 09:39:15,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886882026] [2021-12-28 09:39:15,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886882026] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 09:39:15,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 09:39:15,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 09:39:15,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93871441] [2021-12-28 09:39:15,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 09:39:15,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 09:39:15,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 09:39:15,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 09:39:15,438 INFO L87 Difference]: Start difference. First operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-28 09:39:15,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 09:39:15,557 INFO L93 Difference]: Finished difference Result 342 states and 431 transitions. [2021-12-28 09:39:15,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-28 09:39:15,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 342 states and 431 transitions. [2021-12-28 09:39:15,573 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 220 [2021-12-28 09:39:15,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 342 states to 302 states and 391 transitions. [2021-12-28 09:39:15,583 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 302 [2021-12-28 09:39:15,584 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2021-12-28 09:39:15,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 302 states and 391 transitions. [2021-12-28 09:39:15,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-28 09:39:15,586 INFO L681 BuchiCegarLoop]: Abstraction has 302 states and 391 transitions. [2021-12-28 09:39:15,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states and 391 transitions. [2021-12-28 09:39:15,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 140. [2021-12-28 09:39:15,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 140 states have (on average 1.3) internal successors, (182), 139 states have internal predecessors, (182), 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) [2021-12-28 09:39:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 182 transitions. [2021-12-28 09:39:15,613 INFO L704 BuchiCegarLoop]: Abstraction has 140 states and 182 transitions. [2021-12-28 09:39:15,613 INFO L587 BuchiCegarLoop]: Abstraction has 140 states and 182 transitions. [2021-12-28 09:39:15,613 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-28 09:39:15,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140 states and 182 transitions. [2021-12-28 09:39:15,614 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 101 [2021-12-28 09:39:15,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-28 09:39:15,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-28 09:39:15,620 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:15,621 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 09:39:15,621 INFO L791 eck$LassoCheckResult]: Stem: 547#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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 530#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~4#1, main_~tmp~1#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 504#L189 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 505#L182 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 480#L197 main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 481#L287 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 549#L263 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 493#L863-2 [2021-12-28 09:39:15,621 INFO L793 eck$LassoCheckResult]: Loop: 493#L863-2 assume !false; 494#L864 assume test_~splverifierCounter~0#1 < 4; 521#L865 test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 522#L873 assume !(0 != test_~tmp~7#1); 531#L873-2 test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 525#L883 assume !(0 != test_~tmp___0~1#1); 510#L883-2 test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 490#L893 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 491#L901 assume !(0 != test_~tmp___1~0#1); 523#L901-2 assume { :begin_inline_timeShift } true; 524#L687 assume !(0 != ~pumpRunning~0); 463#L687-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 464#L719 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 470#L711-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 534#L719-1 assume { :end_inline_processEnvironment } true; 538#L694-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#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; 539#L99-1 __utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 506#L146 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 507#L146-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 508#L704 assume { :end_inline_timeShift } true; 493#L863-2 [2021-12-28 09:39:15,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:15,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-28 09:39:15,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:15,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512728327] [2021-12-28 09:39:15,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:15,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:15,633 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:15,645 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:15,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:15,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1267785755, now seen corresponding path program 1 times [2021-12-28 09:39:15,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:15,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919077501] [2021-12-28 09:39:15,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:15,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:15,660 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:15,667 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:15,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 09:39:15,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1379183529, now seen corresponding path program 1 times [2021-12-28 09:39:15,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 09:39:15,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904467548] [2021-12-28 09:39:15,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 09:39:15,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 09:39:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:15,690 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-28 09:39:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-28 09:39:15,718 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-28 09:39:17,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.12 09:39:17 BoogieIcfgContainer [2021-12-28 09:39:17,996 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-28 09:39:17,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-28 09:39:17,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-28 09:39:17,996 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-28 09:39:17,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 09:39:14" (3/4) ... [2021-12-28 09:39:18,000 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-28 09:39:18,038 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-28 09:39:18,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-28 09:39:18,039 INFO L158 Benchmark]: Toolchain (without parser) took 3942.55ms. Allocated memory was 52.4MB in the beginning and 100.7MB in the end (delta: 48.2MB). Free memory was 28.9MB in the beginning and 36.2MB in the end (delta: -7.3MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2021-12-28 09:39:18,040 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:39:18,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.27ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 28.7MB in the beginning and 44.9MB in the end (delta: -16.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-12-28 09:39:18,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.48ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 42.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 09:39:18,041 INFO L158 Benchmark]: Boogie Preprocessor took 35.43ms. Allocated memory is still 69.2MB. Free memory was 42.2MB in the beginning and 40.4MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-28 09:39:18,041 INFO L158 Benchmark]: RCFGBuilder took 376.13ms. Allocated memory is still 69.2MB. Free memory was 40.4MB in the beginning and 38.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-28 09:39:18,041 INFO L158 Benchmark]: BuchiAutomizer took 3064.70ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 38.5MB in the beginning and 39.4MB in the end (delta: -914.5kB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2021-12-28 09:39:18,042 INFO L158 Benchmark]: Witness Printer took 42.43ms. Allocated memory is still 100.7MB. Free memory was 39.4MB in the beginning and 36.2MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-28 09:39:18,043 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 52.4MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.27ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 28.7MB in the beginning and 44.9MB in the end (delta: -16.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.48ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 42.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.43ms. Allocated memory is still 69.2MB. Free memory was 42.2MB in the beginning and 40.4MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 376.13ms. Allocated memory is still 69.2MB. Free memory was 40.4MB in the beginning and 38.7MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3064.70ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 38.5MB in the beginning and 39.4MB in the end (delta: -914.5kB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * Witness Printer took 42.43ms. Allocated memory is still 100.7MB. Free memory was 39.4MB in the beginning and 36.2MB in the end (delta: 3.2MB). 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 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 140 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 162 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 140 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 551 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 551 mSDsluCounter, 960 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 841 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 119 mSDtfsCounter, 52 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: 863]: 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@71257790=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f99f26b=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41ef5f6a=0, methaneLevelCritical=0, \result=0, retValue_acc=0, \result=1, retValue_acc=1, retValue_acc=0, tmp___2=0, cleanupTimeShifts=4, \result=0, tmp=1, tmp=0, head=0, tmp___1=0, NULL=0, tmp=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7780a221=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ef60866=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a87451a=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6fb21e9a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d6d32fa=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 863]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L202] int cleanupTimeShifts = 4; [L479] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L680] int pumpRunning = 0; [L681] int systemActive = 1; [L278] int retValue_acc ; [L279] int tmp ; [L283] FCALL select_helpers() [L284] FCALL select_features() [L285] CALL, EXPR valid_product() [L193] int retValue_acc ; [L196] retValue_acc = 1 [L197] return (retValue_acc); [L285] RET, EXPR valid_product() [L285] tmp = valid_product() [L287] COND TRUE \read(tmp) [L289] FCALL setup() [L290] CALL runTest() [L272] CALL test() [L854] int splverifierCounter ; [L855] int tmp ; [L856] int tmp___0 ; [L857] int tmp___1 ; [L858] int tmp___2 ; [L861] splverifierCounter = 0 Loop: [L863] COND TRUE 1 [L865] COND TRUE splverifierCounter < 4 [L871] tmp = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp)) [L881] tmp___0 = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp___0)) [L891] tmp___2 = __VERIFIER_nondet_int() [L893] COND FALSE !(\read(tmp___2)) [L899] tmp___1 = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp___1)) [L910] CALL timeShift() [L687] COND FALSE !(\read(pumpRunning)) [L694] COND TRUE \read(systemActive) [L696] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] FCALL processEnvironment__wrappee__methaneQuery() [L696] RET processEnvironment() [L702] CALL __utac_acc__Specification1_spec__1() [L139] int tmp ; [L140] int tmp___0 ; [L144] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L144] RET, EXPR isMethaneLevelCritical() [L144] tmp = isMethaneLevelCritical() [L146] COND FALSE !(\read(tmp)) [L702] RET __utac_acc__Specification1_spec__1() [L910] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-28 09:39:18,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)