./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product16.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_spec2_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 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:17:12,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:17:12,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:17:12,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:17:12,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:17:12,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:17:12,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:17:12,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:17:12,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:17:12,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:17:12,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:17:12,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:17:12,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:17:12,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:17:12,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:17:12,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:17:12,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:17:12,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:17:12,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:17:12,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:17:12,043 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:17:12,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:17:12,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:17:12,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:17:12,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:17:12,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:17:12,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:17:12,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:17:12,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:17:12,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:17:12,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:17:12,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:17:12,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:17:12,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:17:12,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:17:12,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:17:12,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:17:12,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:17:12,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:17:12,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:17:12,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:17:12,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:17:12,061 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:17:12,100 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:17:12,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:17:12,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:17:12,102 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:17:12,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:17:12,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:17:12,104 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:17:12,105 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:17:12,105 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:17:12,106 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:17:12,106 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:17:12,106 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:17:12,106 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:17:12,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:17:12,107 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:17:12,107 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:17:12,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:17:12,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:17:12,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:17:12,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:17:12,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:17:12,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:17:12,109 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:17:12,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:17:12,109 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:17:12,110 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:17:12,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:17:12,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:17:12,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:17:12,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:17:12,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:17:12,112 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:17:12,112 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb [2022-07-13 04:17:12,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:17:12,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:17:12,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:17:12,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:17:12,361 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:17:12,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2022-07-13 04:17:12,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c690c43f9/786b870b18f4495aa5a8eb889cddd308/FLAGb0d9bb979 [2022-07-13 04:17:12,774 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:17:12,775 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2022-07-13 04:17:12,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c690c43f9/786b870b18f4495aa5a8eb889cddd308/FLAGb0d9bb979 [2022-07-13 04:17:12,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c690c43f9/786b870b18f4495aa5a8eb889cddd308 [2022-07-13 04:17:12,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:17:12,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:17:12,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:17:12,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:17:12,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:17:12,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:17:12" (1/1) ... [2022-07-13 04:17:12,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d96321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:12, skipping insertion in model container [2022-07-13 04:17:12,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:17:12" (1/1) ... [2022-07-13 04:17:12,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:17:12,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:17:13,005 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_spec2_product16.cil.c[11828,11841] [2022-07-13 04:17:13,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:17:13,056 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:17:13,097 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_spec2_product16.cil.c[11828,11841] [2022-07-13 04:17:13,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:17:13,132 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:17:13,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:13 WrapperNode [2022-07-13 04:17:13,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:17:13,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:17:13,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:17:13,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:17:13,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:13" (1/1) ... [2022-07-13 04:17:13,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:13" (1/1) ... [2022-07-13 04:17:13,173 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 51, calls inlined = 51, statements flattened = 385 [2022-07-13 04:17:13,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:17:13,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:17:13,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:17:13,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:17:13,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:13" (1/1) ... [2022-07-13 04:17:13,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:13" (1/1) ... [2022-07-13 04:17:13,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:13" (1/1) ... [2022-07-13 04:17:13,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:13" (1/1) ... [2022-07-13 04:17:13,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:13" (1/1) ... [2022-07-13 04:17:13,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:13" (1/1) ... [2022-07-13 04:17:13,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:13" (1/1) ... [2022-07-13 04:17:13,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:17:13,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:17:13,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:17:13,203 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:17:13,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:13" (1/1) ... [2022-07-13 04:17:13,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:17:13,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:17:13,241 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 04:17:13,270 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 04:17:13,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:17:13,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:17:13,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:17:13,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:17:13,352 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:17:13,354 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:17:13,622 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:17:13,630 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:17:13,632 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:17:13,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:17:13 BoogieIcfgContainer [2022-07-13 04:17:13,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:17:13,634 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:17:13,635 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:17:13,638 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:17:13,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:17:13,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:17:12" (1/3) ... [2022-07-13 04:17:13,639 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20caf286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:17:13, skipping insertion in model container [2022-07-13 04:17:13,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:17:13,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:17:13" (2/3) ... [2022-07-13 04:17:13,640 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20caf286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:17:13, skipping insertion in model container [2022-07-13 04:17:13,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:17:13,640 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:17:13" (3/3) ... [2022-07-13 04:17:13,641 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2022-07-13 04:17:13,692 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:17:13,692 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:17:13,692 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:17:13,692 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:17:13,693 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:17:13,693 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:17:13,693 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:17:13,693 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:17:13,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 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 04:17:13,731 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2022-07-13 04:17:13,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:17:13,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:17:13,737 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:13,737 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:13,738 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:17:13,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 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 04:17:13,743 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2022-07-13 04:17:13,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:17:13,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:17:13,744 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:13,744 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:13,748 INFO L752 eck$LassoCheckResult]: Stem: 94#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 29#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 46#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 100#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 18#L83true main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 76#L636true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 37#L610true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 17#L904true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 47#L839-2true [2022-07-13 04:17:13,749 INFO L754 eck$LassoCheckResult]: Loop: 47#L839-2true assume !false; 83#L840true assume test_~splverifierCounter~0#1 < 4; 62#L841true test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 103#L849true assume !(0 != test_~tmp~6#1); 19#L849-2true test_~tmp___0~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 91#L859true assume !(0 != test_~tmp___0~0#1); 49#L859-2true test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 34#L869true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 101#L825true assume { :end_inline_startSystem } true; 40#L877-2true assume { :begin_inline_timeShift } true; 10#L663true assume !(0 != ~pumpRunning~0); 21#L663-2true assume !(0 != ~systemActive~0); 63#L670-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 75#L512-1true __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 74#L915true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 61#L915-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 99#L680true assume { :end_inline_timeShift } true; 47#L839-2true [2022-07-13 04:17:13,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:13,763 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-13 04:17:13,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:13,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753614369] [2022-07-13 04:17:13,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:13,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:13,891 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:13,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:13,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:13,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1213105161, now seen corresponding path program 1 times [2022-07-13 04:17:13,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:13,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135157137] [2022-07-13 04:17:13,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:13,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:17:14,015 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 04:17:14,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:17:14,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135157137] [2022-07-13 04:17:14,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135157137] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:17:14,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:17:14,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 04:17:14,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880962390] [2022-07-13 04:17:14,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:17:14,021 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-13 04:17:14,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:17:14,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 04:17:14,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 04:17:14,051 INFO L87 Difference]: Start difference. First operand has 105 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 04:17:14,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:17:14,116 INFO L93 Difference]: Finished difference Result 194 states and 250 transitions. [2022-07-13 04:17:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 04:17:14,121 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 250 transitions. [2022-07-13 04:17:14,125 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 124 [2022-07-13 04:17:14,133 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 174 states and 229 transitions. [2022-07-13 04:17:14,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174 [2022-07-13 04:17:14,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174 [2022-07-13 04:17:14,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 174 states and 229 transitions. [2022-07-13 04:17:14,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:17:14,137 INFO L369 hiAutomatonCegarLoop]: Abstraction has 174 states and 229 transitions. [2022-07-13 04:17:14,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states and 229 transitions. [2022-07-13 04:17:14,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 171. [2022-07-13 04:17:14,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 171 states have (on average 1.3157894736842106) internal successors, (225), 170 states have internal predecessors, (225), 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 04:17:14,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 225 transitions. [2022-07-13 04:17:14,172 INFO L392 hiAutomatonCegarLoop]: Abstraction has 171 states and 225 transitions. [2022-07-13 04:17:14,172 INFO L374 stractBuchiCegarLoop]: Abstraction has 171 states and 225 transitions. [2022-07-13 04:17:14,172 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:17:14,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states and 225 transitions. [2022-07-13 04:17:14,177 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 121 [2022-07-13 04:17:14,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:17:14,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:17:14,177 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:17:14,178 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] [2022-07-13 04:17:14,178 INFO L752 eck$LassoCheckResult]: Stem: 398#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 384#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 385#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 405#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 363#L83 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 364#L636 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 369#L610 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 361#L904 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 362#L839-2 [2022-07-13 04:17:14,178 INFO L754 eck$LassoCheckResult]: Loop: 362#L839-2 assume !false; 383#L840 assume test_~splverifierCounter~0#1 < 4; 328#L841 test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 329#L849 assume !(0 != test_~tmp~6#1); 365#L849-2 test_~tmp___0~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 366#L859 assume !(0 != test_~tmp___0~0#1); 393#L859-2 test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 395#L869 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 396#L825 assume { :end_inline_startSystem } true; 350#L877-2 assume { :begin_inline_timeShift } true; 341#L663 assume !(0 != ~pumpRunning~0); 342#L663-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 372#L695 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 394#L687-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 333#L695-1 assume { :end_inline_processEnvironment } true; 330#L670-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 331#L512-1 __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 368#L915 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 418#L915-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 417#L680 assume { :end_inline_timeShift } true; 362#L839-2 [2022-07-13 04:17:14,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:14,179 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-13 04:17:14,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:14,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475067899] [2022-07-13 04:17:14,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:14,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:14,190 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:14,211 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:14,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:14,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1544573191, now seen corresponding path program 1 times [2022-07-13 04:17:14,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:14,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493617779] [2022-07-13 04:17:14,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:14,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:14,221 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:14,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:14,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:17:14,233 INFO L85 PathProgramCache]: Analyzing trace with hash -172047518, now seen corresponding path program 1 times [2022-07-13 04:17:14,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:17:14,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332693589] [2022-07-13 04:17:14,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:17:14,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:17:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:14,261 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:17:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:17:14,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:17:16,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:17:16 BoogieIcfgContainer [2022-07-13 04:17:16,730 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:17:16,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:17:16,731 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:17:16,731 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:17:16,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:17:13" (3/4) ... [2022-07-13 04:17:16,732 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:17:16,778 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:17:16,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:17:16,781 INFO L158 Benchmark]: Toolchain (without parser) took 3984.10ms. Allocated memory was 100.7MB in the beginning and 148.9MB in the end (delta: 48.2MB). Free memory was 69.2MB in the beginning and 70.0MB in the end (delta: -713.8kB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2022-07-13 04:17:16,781 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:17:16,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.65ms. Allocated memory is still 100.7MB. Free memory was 69.0MB in the beginning and 69.3MB in the end (delta: -328.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 04:17:16,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.98ms. Allocated memory is still 100.7MB. Free memory was 69.3MB in the beginning and 66.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:17:16,782 INFO L158 Benchmark]: Boogie Preprocessor took 28.19ms. Allocated memory is still 100.7MB. Free memory was 66.8MB in the beginning and 65.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:17:16,783 INFO L158 Benchmark]: RCFGBuilder took 431.25ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 47.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-13 04:17:16,784 INFO L158 Benchmark]: BuchiAutomizer took 3095.72ms. Allocated memory was 100.7MB in the beginning and 148.9MB in the end (delta: 48.2MB). Free memory was 47.9MB in the beginning and 72.1MB in the end (delta: -24.2MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2022-07-13 04:17:16,784 INFO L158 Benchmark]: Witness Printer took 49.54ms. Allocated memory is still 148.9MB. Free memory was 72.1MB in the beginning and 70.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:17:16,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.65ms. Allocated memory is still 100.7MB. Free memory was 69.0MB in the beginning and 69.3MB in the end (delta: -328.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.98ms. Allocated memory is still 100.7MB. Free memory was 69.3MB in the beginning and 66.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.19ms. Allocated memory is still 100.7MB. Free memory was 66.8MB in the beginning and 65.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.25ms. Allocated memory is still 100.7MB. Free memory was 64.7MB in the beginning and 47.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3095.72ms. Allocated memory was 100.7MB in the beginning and 148.9MB in the end (delta: 48.2MB). Free memory was 47.9MB in the beginning and 72.1MB in the end (delta: -24.2MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * Witness Printer took 49.54ms. Allocated memory is still 148.9MB. Free memory was 72.1MB in the beginning and 70.0MB in the end (delta: 2.1MB). There was no memory consumed. 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 3 locations. The remainder module has 171 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 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, 122 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 243 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 114 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 129 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 839]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79d0b828=0, retValue_acc=0, tmp___0=0, NULL=1, methaneLevelCritical=0, tmp=0, \result=0, retValue_acc=1, \result=1, retValue_acc=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35bf742b=0, methAndRunningLastTime=0, tmp=1, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e0aa33e=0, \result=0, tmp=0, head=0, tmp___1=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12baef54=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@300e7635=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@804b530=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57270e2b=29, tmp___0=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6587f56a=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 839]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L469] int waterLevel = 1; [L470] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L655] int pumpRunning = 0; [L656] int systemActive = 1; [L898] int methAndRunningLastTime ; [L627] int retValue_acc ; [L628] int tmp ; [L632] FCALL select_helpers() [L633] FCALL select_features() [L634] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L634] RET, EXPR valid_product() [L634] tmp = valid_product() [L636] COND TRUE \read(tmp) [L638] FCALL setup() [L639] CALL runTest() [L620] CALL __utac_acc__Specification2_spec__1() [L903] methAndRunningLastTime = 0 [L620] RET __utac_acc__Specification2_spec__1() [L621] CALL test() [L830] int splverifierCounter ; [L831] int tmp ; [L832] int tmp___0 ; [L833] int tmp___1 ; [L834] int tmp___2 ; [L837] splverifierCounter = 0 Loop: [L839] COND TRUE 1 [L841] COND TRUE splverifierCounter < 4 [L847] tmp = __VERIFIER_nondet_int() [L849] COND FALSE !(\read(tmp)) [L857] tmp___0 = __VERIFIER_nondet_int() [L859] COND FALSE !(\read(tmp___0)) [L867] tmp___2 = __VERIFIER_nondet_int() [L869] COND TRUE \read(tmp___2) [L871] CALL startSystem() [L824] systemActive = 1 [L871] RET startSystem() [L886] CALL timeShift() [L663] COND FALSE !(\read(pumpRunning)) [L670] COND TRUE \read(systemActive) [L672] CALL processEnvironment() [L692] int tmp ; [L695] COND FALSE !(\read(pumpRunning)) [L710] FCALL processEnvironment__wrappee__methaneQuery() [L672] RET processEnvironment() [L678] CALL __utac_acc__Specification2_spec__2() [L908] int tmp ; [L909] int tmp___0 ; [L913] CALL, EXPR isMethaneLevelCritical() [L508] int retValue_acc ; [L511] retValue_acc = methaneLevelCritical [L512] return (retValue_acc); [L913] RET, EXPR isMethaneLevelCritical() [L913] tmp = isMethaneLevelCritical() [L915] COND FALSE !(\read(tmp)) [L931] methAndRunningLastTime = 0 [L678] RET __utac_acc__Specification2_spec__2() [L886] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:17:16,820 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)