./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 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_product30.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 b2bdcdf2450fe12dc31eba38670a2ad19cdc8c29d88388843515301032876b8f --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:37:21,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:37:21,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:37:21,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:37:21,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:37:21,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:37:21,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:37:21,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:37:21,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:37:21,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:37:21,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:37:21,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:37:21,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:37:21,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:37:21,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:37:21,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:37:21,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:37:21,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:37:21,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:37:21,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:37:21,267 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:37:21,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:37:21,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:37:21,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:37:21,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:37:21,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:37:21,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:37:21,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:37:21,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:37:21,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:37:21,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:37:21,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:37:21,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:37:21,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:37:21,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:37:21,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:37:21,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:37:21,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:37:21,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:37:21,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:37:21,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:37:21,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:37:21,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:37:21,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:37:21,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:37:21,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:37:21,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:37:21,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:37:21,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:37:21,334 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:37:21,334 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:37:21,335 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:37:21,335 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:37:21,336 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:37:21,336 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:37:21,336 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:37:21,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:37:21,336 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:37:21,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:37:21,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:37:21,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:37:21,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:37:21,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:37:21,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:37:21,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:37:21,338 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:37:21,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:37:21,338 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:37:21,338 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:37:21,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:37:21,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:37:21,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:37:21,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:37:21,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:37:21,342 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:37:21,342 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2bdcdf2450fe12dc31eba38670a2ad19cdc8c29d88388843515301032876b8f [2022-07-22 02:37:21,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:37:21,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:37:21,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:37:21,698 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:37:21,699 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:37:21,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2022-07-22 02:37:21,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95d89690e/e071f434b4614765a728f656521fca38/FLAGe3de2ba9a [2022-07-22 02:37:22,279 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:37:22,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2022-07-22 02:37:22,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95d89690e/e071f434b4614765a728f656521fca38/FLAGe3de2ba9a [2022-07-22 02:37:22,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95d89690e/e071f434b4614765a728f656521fca38 [2022-07-22 02:37:22,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:37:22,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:37:22,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:37:22,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:37:22,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:37:22,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484ef07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:22, skipping insertion in model container [2022-07-22 02:37:22,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:37:22" (1/1) ... [2022-07-22 02:37:22,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:37:22,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:37:22,942 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_product30.cil.c[17982,17995] [2022-07-22 02:37:22,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:37:22,959 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:37:23,041 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_product30.cil.c[17982,17995] [2022-07-22 02:37:23,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:37:23,058 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:37:23,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:23 WrapperNode [2022-07-22 02:37:23,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:37:23,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:37:23,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:37:23,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:37:23,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:23" (1/1) ... [2022-07-22 02:37:23,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:23" (1/1) ... [2022-07-22 02:37:23,124 INFO L137 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 54, calls inlined = 79, statements flattened = 576 [2022-07-22 02:37:23,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:37:23,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:37:23,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:37:23,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:37:23,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:23" (1/1) ... [2022-07-22 02:37:23,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:23" (1/1) ... [2022-07-22 02:37:23,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:23" (1/1) ... [2022-07-22 02:37:23,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:23" (1/1) ... [2022-07-22 02:37:23,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:23" (1/1) ... [2022-07-22 02:37:23,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:23" (1/1) ... [2022-07-22 02:37:23,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:23" (1/1) ... [2022-07-22 02:37:23,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:37:23,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:37:23,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:37:23,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:37:23,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:23" (1/1) ... [2022-07-22 02:37:23,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:37:23,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:37:23,191 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) [2022-07-22 02:37:23,208 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 [2022-07-22 02:37:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:37:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:37:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:37:23,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:37:23,333 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:37:23,334 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:37:23,814 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:37:23,821 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:37:23,823 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 02:37:23,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:37:23 BoogieIcfgContainer [2022-07-22 02:37:23,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:37:23,828 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:37:23,828 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:37:23,831 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:37:23,831 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:37:23,831 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:37:22" (1/3) ... [2022-07-22 02:37:23,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69f3284e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:37:23, skipping insertion in model container [2022-07-22 02:37:23,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:37:23,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:23" (2/3) ... [2022-07-22 02:37:23,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69f3284e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:37:23, skipping insertion in model container [2022-07-22 02:37:23,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:37:23,834 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:37:23" (3/3) ... [2022-07-22 02:37:23,835 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2022-07-22 02:37:23,898 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:37:23,899 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:37:23,899 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:37:23,899 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:37:23,899 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:37:23,900 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:37:23,900 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:37:23,900 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:37:23,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.3571428571428572) internal successors, (209), 154 states have internal predecessors, (209), 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) [2022-07-22 02:37:23,940 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2022-07-22 02:37:23,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:23,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:23,948 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:23,949 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:23,949 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:37:23,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.3571428571428572) internal successors, (209), 154 states have internal predecessors, (209), 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) [2022-07-22 02:37:23,960 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2022-07-22 02:37:23,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:23,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:23,964 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:23,964 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:23,972 INFO L752 eck$LassoCheckResult]: Stem: 139#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;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 28#L441true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 25#L434true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 85#L449true main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 60#L543true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 102#L517true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 125#L941true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 70#L662-2true [2022-07-22 02:37:23,973 INFO L754 eck$LassoCheckResult]: Loop: 70#L662-2true assume !false; 23#L663true assume test_~splverifierCounter~0#1 < 4; 46#L664true test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 131#L672true assume !(0 != test_~tmp~4#1); 22#L672-2true test_~tmp___0~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 89#L682true assume !(0 != test_~tmp___0~0#1); 13#L682-2true test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 45#L692true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 141#L922true assume { :end_inline_startSystem } true; 115#L700-2true assume { :begin_inline_timeShift } true; 71#L730true assume !(0 != ~pumpRunning~0); 65#L730-2true assume !(0 != ~systemActive~0); 42#L737-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 66#L605-1true __utac_acc__Specification2_spec__2_#t~ret51#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret51#1;havoc __utac_acc__Specification2_spec__2_#t~ret51#1; 154#L952true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 152#L952-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 16#L747true assume { :end_inline_timeShift } true; 70#L662-2true [2022-07-22 02:37:23,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:23,979 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-22 02:37:23,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:23,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834111700] [2022-07-22 02:37:23,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:23,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,112 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:24,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:24,182 INFO L85 PathProgramCache]: Analyzing trace with hash -560122807, now seen corresponding path program 1 times [2022-07-22 02:37:24,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:24,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285922778] [2022-07-22 02:37:24,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:24,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:37:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:37:24,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:37:24,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285922778] [2022-07-22 02:37:24,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285922778] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:37:24,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:37:24,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 02:37:24,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436429953] [2022-07-22 02:37:24,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:37:24,273 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-22 02:37:24,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:37:24,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 02:37:24,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 02:37:24,300 INFO L87 Difference]: Start difference. First operand has 155 states, 154 states have (on average 1.3571428571428572) internal successors, (209), 154 states have internal predecessors, (209), 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) [2022-07-22 02:37:24,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:37:24,349 INFO L93 Difference]: Finished difference Result 152 states and 196 transitions. [2022-07-22 02:37:24,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 02:37:24,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 196 transitions. [2022-07-22 02:37:24,358 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 95 [2022-07-22 02:37:24,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 142 states and 185 transitions. [2022-07-22 02:37:24,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 142 [2022-07-22 02:37:24,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2022-07-22 02:37:24,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 185 transitions. [2022-07-22 02:37:24,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:37:24,366 INFO L369 hiAutomatonCegarLoop]: Abstraction has 142 states and 185 transitions. [2022-07-22 02:37:24,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 185 transitions. [2022-07-22 02:37:24,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-07-22 02:37:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.3028169014084507) internal successors, (185), 141 states have internal predecessors, (185), 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) [2022-07-22 02:37:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 185 transitions. [2022-07-22 02:37:24,400 INFO L392 hiAutomatonCegarLoop]: Abstraction has 142 states and 185 transitions. [2022-07-22 02:37:24,400 INFO L374 stractBuchiCegarLoop]: Abstraction has 142 states and 185 transitions. [2022-07-22 02:37:24,400 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:37:24,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 185 transitions. [2022-07-22 02:37:24,402 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 95 [2022-07-22 02:37:24,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:24,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:24,402 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:24,402 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:24,403 INFO L752 eck$LassoCheckResult]: Stem: 457#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;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 396#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 361#L441 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 356#L434 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 357#L449 main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 406#L543 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 407#L517 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 445#L941 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 341#L662-2 [2022-07-22 02:37:24,403 INFO L754 eck$LassoCheckResult]: Loop: 341#L662-2 assume !false; 352#L663 assume test_~splverifierCounter~0#1 < 4; 353#L664 test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 389#L672 assume !(0 != test_~tmp~4#1); 339#L672-2 test_~tmp___0~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 351#L682 assume !(0 != test_~tmp___0~0#1); 319#L682-2 test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 335#L692 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 387#L922 assume { :end_inline_startSystem } true; 426#L700-2 assume { :begin_inline_timeShift } true; 418#L730 assume !(0 != ~pumpRunning~0); 376#L730-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 413#L788 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret38#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 347#L762-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 349#L754-3 assume { :end_inline_processEnvironment__wrappee__base } true; 427#L762-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 372#L788-1 assume { :end_inline_processEnvironment } true; 382#L737-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 383#L605-1 __utac_acc__Specification2_spec__2_#t~ret51#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret51#1;havoc __utac_acc__Specification2_spec__2_#t~ret51#1; 412#L952 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 429#L952-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 340#L747 assume { :end_inline_timeShift } true; 341#L662-2 [2022-07-22 02:37:24,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:24,404 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-22 02:37:24,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:24,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981831655] [2022-07-22 02:37:24,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:24,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,441 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:24,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:24,472 INFO L85 PathProgramCache]: Analyzing trace with hash 458054121, now seen corresponding path program 1 times [2022-07-22 02:37:24,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:24,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401432256] [2022-07-22 02:37:24,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:24,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,487 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,494 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:24,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:24,496 INFO L85 PathProgramCache]: Analyzing trace with hash 900266002, now seen corresponding path program 1 times [2022-07-22 02:37:24,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:24,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743505812] [2022-07-22 02:37:24,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:24,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,514 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:24,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:27,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:37:27 BoogieIcfgContainer [2022-07-22 02:37:27,726 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:37:27,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:37:27,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:37:27,727 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:37:27,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:37:23" (3/4) ... [2022-07-22 02:37:27,730 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:37:27,807 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:37:27,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:37:27,809 INFO L158 Benchmark]: Toolchain (without parser) took 5186.81ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 37.6MB in the beginning and 65.4MB in the end (delta: -27.7MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,809 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:37:27,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.02ms. Allocated memory is still 60.8MB. Free memory was 37.5MB in the beginning and 36.1MB in the end (delta: 1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.54ms. Allocated memory is still 60.8MB. Free memory was 35.9MB in the beginning and 32.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,811 INFO L158 Benchmark]: Boogie Preprocessor took 34.37ms. Allocated memory is still 60.8MB. Free memory was 32.6MB in the beginning and 30.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,812 INFO L158 Benchmark]: RCFGBuilder took 666.18ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 30.5MB in the beginning and 36.7MB in the end (delta: -6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,822 INFO L158 Benchmark]: BuchiAutomizer took 3898.11ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 36.7MB in the beginning and 67.4MB in the end (delta: -30.7MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,822 INFO L158 Benchmark]: Witness Printer took 81.19ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 65.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:37:27,825 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.02ms. Allocated memory is still 60.8MB. Free memory was 37.5MB in the beginning and 36.1MB in the end (delta: 1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.54ms. Allocated memory is still 60.8MB. Free memory was 35.9MB in the beginning and 32.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.37ms. Allocated memory is still 60.8MB. Free memory was 32.6MB in the beginning and 30.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 666.18ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 30.5MB in the beginning and 36.7MB in the end (delta: -6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3898.11ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 36.7MB in the beginning and 67.4MB in the end (delta: -30.7MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Witness Printer took 81.19ms. Allocated memory is still 107.0MB. Free memory was 67.4MB in the beginning and 65.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 142 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. 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, 0 StatesRemovedByMinimization, 0 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, 191 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 193 mSDtfsCounter, 3 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: 662]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3292db9f=0, pumpRunning=0, tmp___0=0, retValue_acc=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59a055fe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5daa8491=0, tmp=0, methaneLevelCritical=0, tmp=0, \result=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b8cfdb9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@720327c3=29, \result=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27cbc62d=0, retValue_acc=0, tmp___2=29, methAndRunningLastTime=0, tmp=1, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c240b57=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fa14c6f=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1af4dd74=0, tmp=0, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 662]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L562] int waterLevel = 1; [L563] int methaneLevelCritical = 0; [L722] int pumpRunning = 0; [L723] int systemActive = 1; [L935] int methAndRunningLastTime ; [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L527] CALL __utac_acc__Specification2_spec__1() [L940] methAndRunningLastTime = 0 [L527] RET __utac_acc__Specification2_spec__1() [L528] CALL test() [L653] int splverifierCounter ; [L654] int tmp ; [L655] int tmp___0 ; [L656] int tmp___1 ; [L657] int tmp___2 ; [L660] splverifierCounter = 0 Loop: [L662] COND TRUE 1 [L664] COND TRUE splverifierCounter < 4 [L670] tmp = __VERIFIER_nondet_int() [L672] COND FALSE !(\read(tmp)) [L680] tmp___0 = __VERIFIER_nondet_int() [L682] COND FALSE !(\read(tmp___0)) [L690] tmp___2 = __VERIFIER_nondet_int() [L692] COND TRUE \read(tmp___2) [L694] CALL startSystem() [L921] systemActive = 1 [L694] RET startSystem() [L707] CALL timeShift() [L730] COND FALSE !(\read(pumpRunning)) [L737] COND TRUE \read(systemActive) [L739] CALL processEnvironment() [L785] int tmp ; [L788] COND FALSE !(\read(pumpRunning)) [L803] CALL processEnvironment__wrappee__methaneQuery() [L759] int tmp ; [L762] COND FALSE !(\read(pumpRunning)) [L777] FCALL processEnvironment__wrappee__base() [L803] RET processEnvironment__wrappee__methaneQuery() [L739] RET processEnvironment() [L745] CALL __utac_acc__Specification2_spec__2() [L945] int tmp ; [L946] int tmp___0 ; [L950] CALL, EXPR isMethaneLevelCritical() [L601] int retValue_acc ; [L604] retValue_acc = methaneLevelCritical [L605] return (retValue_acc); [L950] RET, EXPR isMethaneLevelCritical() [L950] tmp = isMethaneLevelCritical() [L952] COND FALSE !(\read(tmp)) [L968] methAndRunningLastTime = 0 [L745] RET __utac_acc__Specification2_spec__2() [L707] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:37:27,890 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)