./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product21.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 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 22:32:53,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 22:32:53,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 22:32:53,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 22:32:53,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 22:32:53,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 22:32:53,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 22:32:53,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 22:32:53,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 22:32:53,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 22:32:53,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 22:32:53,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 22:32:53,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 22:32:53,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 22:32:53,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 22:32:53,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 22:32:53,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 22:32:53,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 22:32:53,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 22:32:53,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 22:32:53,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 22:32:53,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 22:32:53,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 22:32:53,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 22:32:53,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 22:32:53,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 22:32:53,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 22:32:53,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 22:32:53,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 22:32:53,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 22:32:53,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 22:32:53,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 22:32:53,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 22:32:53,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 22:32:53,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 22:32:53,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 22:32:53,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 22:32:53,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 22:32:53,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 22:32:53,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 22:32:53,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 22:32:53,308 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-21 22:32:53,331 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 22:32:53,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 22:32:53,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 22:32:53,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 22:32:53,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 22:32:53,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 22:32:53,333 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 22:32:53,333 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 22:32:53,334 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 22:32:53,334 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 22:32:53,334 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 22:32:53,335 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 22:32:53,335 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 22:32:53,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 22:32:53,335 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 22:32:53,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 22:32:53,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 22:32:53,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 22:32:53,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 22:32:53,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 22:32:53,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 22:32:53,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 22:32:53,336 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 22:32:53,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 22:32:53,336 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 22:32:53,336 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 22:32:53,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 22:32:53,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 22:32:53,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 22:32:53,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 22:32:53,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 22:32:53,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 22:32:53,338 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 22:32:53,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e76649cac6515f08270152166e80012375eb96b6ec0655501fc67165d9b0051 [2021-12-21 22:32:53,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 22:32:53,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 22:32:53,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 22:32:53,542 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 22:32:53,544 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 22:32:53,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2021-12-21 22:32:53,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570c0338a/975aa074d2f042bc8fc700a277c571a2/FLAGa5a04eb18 [2021-12-21 22:32:54,028 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 22:32:54,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c [2021-12-21 22:32:54,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570c0338a/975aa074d2f042bc8fc700a277c571a2/FLAGa5a04eb18 [2021-12-21 22:32:54,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/570c0338a/975aa074d2f042bc8fc700a277c571a2 [2021-12-21 22:32:54,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 22:32:54,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 22:32:54,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 22:32:54,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 22:32:54,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 22:32:54,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@671ff921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54, skipping insertion in model container [2021-12-21 22:32:54,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 22:32:54,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 22:32:54,323 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c[17902,17915] [2021-12-21 22:32:54,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:32:54,331 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 22:32:54,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product21.cil.c[17902,17915] [2021-12-21 22:32:54,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 22:32:54,415 INFO L208 MainTranslator]: Completed translation [2021-12-21 22:32:54,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54 WrapperNode [2021-12-21 22:32:54,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 22:32:54,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 22:32:54,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 22:32:54,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 22:32:54,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,465 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 50, calls inlined = 77, statements flattened = 557 [2021-12-21 22:32:54,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 22:32:54,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 22:32:54,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 22:32:54,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 22:32:54,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 22:32:54,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 22:32:54,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 22:32:54,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 22:32:54,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (1/1) ... [2021-12-21 22:32:54,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 22:32:54,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 22:32:54,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-21 22:32:54,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-21 22:32:54,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 22:32:54,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 22:32:54,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 22:32:54,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 22:32:54,677 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 22:32:54,678 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 22:32:55,071 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 22:32:55,076 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 22:32:55,081 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-21 22:32:55,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:32:55 BoogieIcfgContainer [2021-12-21 22:32:55,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 22:32:55,084 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 22:32:55,084 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 22:32:55,088 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 22:32:55,089 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:32:55,089 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 10:32:54" (1/3) ... [2021-12-21 22:32:55,090 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@315286e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:32:55, skipping insertion in model container [2021-12-21 22:32:55,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:32:55,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:32:54" (2/3) ... [2021-12-21 22:32:55,090 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@315286e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 10:32:55, skipping insertion in model container [2021-12-21 22:32:55,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 22:32:55,091 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:32:55" (3/3) ... [2021-12-21 22:32:55,091 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2021-12-21 22:32:55,120 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 22:32:55,121 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 22:32:55,121 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 22:32:55,121 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 22:32:55,121 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 22:32:55,121 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 22:32:55,121 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 22:32:55,121 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 22:32:55,136 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:32:55,153 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2021-12-21 22:32:55,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:32:55,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:32:55,159 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:55,159 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:55,159 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 22:32:55,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:32:55,164 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 96 [2021-12-21 22:32:55,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:32:55,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:32:55,165 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:55,165 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:55,168 INFO L791 eck$LassoCheckResult]: Stem: 132#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; 42#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 39#L664true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 150#L657true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 121#L672true main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 88#L535true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 31#L508true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 67#L687-2true [2021-12-21 22:32:55,168 INFO L793 eck$LassoCheckResult]: Loop: 67#L687-2true assume !false; 108#L688true assume test_~splverifierCounter~0#1 < 4; 81#L689true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 35#L697true assume !(0 != test_~tmp~5#1); 4#L697-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 77#L707true assume !(0 != test_~tmp___0~1#1); 125#L707-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 23#L717true assume 0 != test_~tmp___2~0#1; 49#L723-2true assume { :begin_inline_timeShift } true; 25#L751true assume !(0 != ~pumpRunning~0); 8#L751-2true assume !(0 != ~systemActive~0); 69#L758-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27#1, __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 91#L596-1true __utac_acc__Specification1_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret27#1;havoc __utac_acc__Specification1_spec__1_#t~ret27#1; 90#L427true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 62#L427-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 9#L768true assume { :end_inline_timeShift } true; 67#L687-2true [2021-12-21 22:32:55,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:55,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-21 22:32:55,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:55,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154316815] [2021-12-21 22:32:55,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:55,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,248 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,297 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:55,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:55,299 INFO L85 PathProgramCache]: Analyzing trace with hash 679870084, now seen corresponding path program 1 times [2021-12-21 22:32:55,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:55,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915865987] [2021-12-21 22:32:55,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:55,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,305 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,311 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:55,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:55,312 INFO L85 PathProgramCache]: Analyzing trace with hash 2035289160, now seen corresponding path program 1 times [2021-12-21 22:32:55,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:55,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769817280] [2021-12-21 22:32:55,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:55,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 22:32:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 22:32:55,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 22:32:55,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769817280] [2021-12-21 22:32:55,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769817280] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 22:32:55,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 22:32:55,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 22:32:55,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089201353] [2021-12-21 22:32:55,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 22:32:55,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 22:32:55,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 22:32:55,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-21 22:32:55,517 INFO L87 Difference]: Start difference. First operand has 150 states, 149 states have (on average 1.348993288590604) internal successors, (201), 149 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:32:55,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 22:32:55,557 INFO L93 Difference]: Finished difference Result 147 states and 187 transitions. [2021-12-21 22:32:55,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 22:32:55,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 147 states and 187 transitions. [2021-12-21 22:32:55,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2021-12-21 22:32:55,566 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 147 states to 137 states and 177 transitions. [2021-12-21 22:32:55,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2021-12-21 22:32:55,567 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2021-12-21 22:32:55,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 177 transitions. [2021-12-21 22:32:55,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 22:32:55,568 INFO L681 BuchiCegarLoop]: Abstraction has 137 states and 177 transitions. [2021-12-21 22:32:55,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 177 transitions. [2021-12-21 22:32:55,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-12-21 22:32:55,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2919708029197081) internal successors, (177), 136 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 22:32:55,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 177 transitions. [2021-12-21 22:32:55,593 INFO L704 BuchiCegarLoop]: Abstraction has 137 states and 177 transitions. [2021-12-21 22:32:55,593 INFO L587 BuchiCegarLoop]: Abstraction has 137 states and 177 transitions. [2021-12-21 22:32:55,593 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 22:32:55,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 177 transitions. [2021-12-21 22:32:55,598 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 92 [2021-12-21 22:32:55,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 22:32:55,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 22:32:55,599 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:55,599 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 22:32:55,599 INFO L791 eck$LassoCheckResult]: Stem: 449#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; 378#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 375#L664 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 376#L657 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 444#L672 main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 431#L535 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 364#L508 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 324#L687-2 [2021-12-21 22:32:55,599 INFO L793 eck$LassoCheckResult]: Loop: 324#L687-2 assume !false; 410#L688 assume test_~splverifierCounter~0#1 < 4; 428#L689 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 371#L697 assume !(0 != test_~tmp~5#1); 315#L697-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 316#L707 assume !(0 != test_~tmp___0~1#1); 366#L707-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 351#L717 assume 0 != test_~tmp___2~0#1; 353#L723-2 assume { :begin_inline_timeShift } true; 356#L751 assume !(0 != ~pumpRunning~0); 327#L751-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 328#L809 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret40#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1; 447#L783-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 422#L775-3 assume { :end_inline_processEnvironment__wrappee__base } true; 342#L783-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 419#L809-1 assume { :end_inline_processEnvironment } true; 413#L758-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret27#1, __utac_acc__Specification1_spec__1_#t~ret28#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 414#L596-1 __utac_acc__Specification1_spec__1_#t~ret27#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret27#1;havoc __utac_acc__Specification1_spec__1_#t~ret27#1; 433#L427 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 405#L427-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 323#L768 assume { :end_inline_timeShift } true; 324#L687-2 [2021-12-21 22:32:55,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:55,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-21 22:32:55,600 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:55,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783357988] [2021-12-21 22:32:55,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:55,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,621 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,643 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:55,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:55,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1867519298, now seen corresponding path program 1 times [2021-12-21 22:32:55,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:55,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618279355] [2021-12-21 22:32:55,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:55,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,649 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,658 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:55,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 22:32:55,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1415850118, now seen corresponding path program 1 times [2021-12-21 22:32:55,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 22:32:55,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560884761] [2021-12-21 22:32:55,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 22:32:55,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 22:32:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,671 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 22:32:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 22:32:55,684 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 22:32:57,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 10:32:57 BoogieIcfgContainer [2021-12-21 22:32:57,914 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 22:32:57,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 22:32:57,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 22:32:57,915 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 22:32:57,915 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:32:55" (3/4) ... [2021-12-21 22:32:57,917 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-21 22:32:57,953 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 22:32:57,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 22:32:57,954 INFO L158 Benchmark]: Toolchain (without parser) took 3901.02ms. Allocated memory was 109.1MB in the beginning and 167.8MB in the end (delta: 58.7MB). Free memory was 72.8MB in the beginning and 103.4MB in the end (delta: -30.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-12-21 22:32:57,955 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory was 83.1MB in the beginning and 83.1MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 22:32:57,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.51ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 76.3MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 22:32:57,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.39ms. Allocated memory is still 109.1MB. Free memory was 76.3MB in the beginning and 73.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:32:57,956 INFO L158 Benchmark]: Boogie Preprocessor took 24.01ms. Allocated memory is still 109.1MB. Free memory was 72.8MB in the beginning and 70.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:32:57,956 INFO L158 Benchmark]: RCFGBuilder took 592.99ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 50.7MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-21 22:32:57,956 INFO L158 Benchmark]: BuchiAutomizer took 2829.43ms. Allocated memory was 109.1MB in the beginning and 167.8MB in the end (delta: 58.7MB). Free memory was 50.7MB in the beginning and 105.4MB in the end (delta: -54.8MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2021-12-21 22:32:57,956 INFO L158 Benchmark]: Witness Printer took 39.25ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 103.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 22:32:57,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory was 83.1MB in the beginning and 83.1MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.51ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 76.3MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.39ms. Allocated memory is still 109.1MB. Free memory was 76.3MB in the beginning and 73.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.01ms. Allocated memory is still 109.1MB. Free memory was 72.8MB in the beginning and 70.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 592.99ms. Allocated memory is still 109.1MB. Free memory was 70.7MB in the beginning and 50.7MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2829.43ms. Allocated memory was 109.1MB in the beginning and 167.8MB in the end (delta: 58.7MB). Free memory was 50.7MB in the beginning and 105.4MB in the end (delta: -54.8MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Witness Printer took 39.25ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 103.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 137 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. 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 137 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 551 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 551 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 182 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 687]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70333d68=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, retValue_acc=0, tmp___0=0, NULL=1, tmp=0, methaneLevelCritical=0, retValue_acc=0, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18e6124e=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16c8b145=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22342d4c=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f79081=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e746dea=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c415f6d=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d60d06a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44a013e1=0, tmp=1, cleanupTimeShifts=4, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, tmp=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 687]: 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; [L445] int cleanupTimeShifts = 4; [L553] int waterLevel = 1; [L554] int methaneLevelCritical = 0; [L744] int pumpRunning = 0; [L745] int systemActive = 1; [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L668] int retValue_acc ; [L671] retValue_acc = 1 [L672] return (retValue_acc); [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L678] int splverifierCounter ; [L679] int tmp ; [L680] int tmp___0 ; [L681] int tmp___1 ; [L682] int tmp___2 ; [L685] splverifierCounter = 0 Loop: [L687] COND TRUE 1 [L689] COND TRUE splverifierCounter < 4 [L695] tmp = __VERIFIER_nondet_int() [L697] COND FALSE !(\read(tmp)) [L705] tmp___0 = __VERIFIER_nondet_int() [L707] COND FALSE !(\read(tmp___0)) [L715] tmp___2 = __VERIFIER_nondet_int() [L717] COND TRUE \read(tmp___2) [L730] CALL timeShift() [L751] COND FALSE !(\read(pumpRunning)) [L758] COND TRUE \read(systemActive) [L760] CALL processEnvironment() [L806] int tmp ; [L809] COND FALSE !(\read(pumpRunning)) [L824] CALL processEnvironment__wrappee__lowWaterSensor() [L780] int tmp ; [L783] COND FALSE !(\read(pumpRunning)) [L798] FCALL processEnvironment__wrappee__base() [L824] RET processEnvironment__wrappee__lowWaterSensor() [L760] RET processEnvironment() [L766] CALL __utac_acc__Specification1_spec__1() [L420] int tmp ; [L421] int tmp___0 ; [L425] CALL, EXPR isMethaneLevelCritical() [L592] int retValue_acc ; [L595] retValue_acc = methaneLevelCritical [L596] return (retValue_acc); [L425] RET, EXPR isMethaneLevelCritical() [L425] tmp = isMethaneLevelCritical() [L427] COND FALSE !(\read(tmp)) [L766] RET __utac_acc__Specification1_spec__1() [L730] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-21 22:32:58,017 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)