./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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_product03.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 e4c4c3413bc835a2ad2589a294742fc0b7117f4143aba1ac8a9769f1c40db06f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:14:48,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:14:48,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:14:48,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:14:48,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:14:48,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:14:48,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:14:48,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:14:48,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:14:48,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:14:48,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:14:48,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:14:48,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:14:48,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:14:48,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:14:48,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:14:48,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:14:48,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:14:48,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:14:48,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:14:48,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:14:48,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:14:48,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:14:48,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:14:48,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:14:48,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:14:48,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:14:48,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:14:48,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:14:48,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:14:48,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:14:48,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:14:48,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:14:48,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:14:48,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:14:48,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:14:48,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:14:48,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:14:48,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:14:48,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:14:48,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:14:48,260 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:14:48,281 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:14:48,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:14:48,282 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:14:48,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:14:48,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:14:48,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:14:48,283 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:14:48,284 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:14:48,284 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:14:48,284 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:14:48,285 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:14:48,285 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:14:48,285 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:14:48,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:14:48,285 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:14:48,285 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:14:48,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:14:48,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:14:48,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:14:48,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:14:48,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:14:48,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:14:48,286 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:14:48,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:14:48,287 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:14:48,287 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:14:48,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:14:48,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:14:48,287 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:14:48,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:14:48,288 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:14:48,288 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:14:48,289 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4c4c3413bc835a2ad2589a294742fc0b7117f4143aba1ac8a9769f1c40db06f [2022-02-21 04:14:48,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:14:48,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:14:48,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:14:48,542 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:14:48,542 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:14:48,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2022-02-21 04:14:48,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7e7b2d36/54604ea23e7348e3a0407c13728bfad7/FLAG303bb9287 [2022-02-21 04:14:48,955 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:14:48,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2022-02-21 04:14:48,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7e7b2d36/54604ea23e7348e3a0407c13728bfad7/FLAG303bb9287 [2022-02-21 04:14:48,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7e7b2d36/54604ea23e7348e3a0407c13728bfad7 [2022-02-21 04:14:48,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:14:48,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:14:48,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:14:48,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:14:48,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:14:48,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:14:48" (1/1) ... [2022-02-21 04:14:48,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ca0e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:48, skipping insertion in model container [2022-02-21 04:14:48,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:14:48" (1/1) ... [2022-02-21 04:14:48,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:14:49,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:14:49,173 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_product03.cil.c[6886,6899] [2022-02-21 04:14:49,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:14:49,236 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:14:49,279 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_product03.cil.c[6886,6899] [2022-02-21 04:14:49,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:14:49,336 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:14:49,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:49 WrapperNode [2022-02-21 04:14:49,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:14:49,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:14:49,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:14:49,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:14:49,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:49" (1/1) ... [2022-02-21 04:14:49,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:49" (1/1) ... [2022-02-21 04:14:49,405 INFO L137 Inliner]: procedures = 50, calls = 146, calls flagged for inlining = 43, calls inlined = 34, statements flattened = 285 [2022-02-21 04:14:49,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:14:49,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:14:49,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:14:49,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:14:49,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:49" (1/1) ... [2022-02-21 04:14:49,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:49" (1/1) ... [2022-02-21 04:14:49,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:49" (1/1) ... [2022-02-21 04:14:49,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:49" (1/1) ... [2022-02-21 04:14:49,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:49" (1/1) ... [2022-02-21 04:14:49,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:49" (1/1) ... [2022-02-21 04:14:49,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:49" (1/1) ... [2022-02-21 04:14:49,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:14:49,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:14:49,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:14:49,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:14:49,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:49" (1/1) ... [2022-02-21 04:14:49,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:14:49,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:14:49,465 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) [2022-02-21 04:14:49,468 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 [2022-02-21 04:14:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:14:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:14:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:14:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:14:49,533 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:14:49,534 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:14:49,769 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:14:49,773 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:14:49,774 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:14:49,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:49 BoogieIcfgContainer [2022-02-21 04:14:49,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:14:49,790 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:14:49,790 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:14:49,793 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:14:49,793 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:14:49,793 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:14:48" (1/3) ... [2022-02-21 04:14:49,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:14:49, skipping insertion in model container [2022-02-21 04:14:49,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:14:49,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:49" (2/3) ... [2022-02-21 04:14:49,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:14:49, skipping insertion in model container [2022-02-21 04:14:49,794 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:14:49,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:49" (3/3) ... [2022-02-21 04:14:49,795 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2022-02-21 04:14:49,825 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:14:49,826 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:14:49,826 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:14:49,826 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:14:49,826 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:14:49,826 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:14:49,826 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:14:49,826 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:14:49,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 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) [2022-02-21 04:14:49,870 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-02-21 04:14:49,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:14:49,872 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:14:49,875 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:49,875 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:49,876 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:14:49,877 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 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) [2022-02-21 04:14:49,893 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-02-21 04:14:49,893 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:14:49,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:14:49,894 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:49,894 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:49,901 INFO L791 eck$LassoCheckResult]: Stem: 62#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 47#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 56#L147true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 68#L140true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 55#L155true main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 53#L453true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 21#L430true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 46#L65-2true [2022-02-21 04:14:49,902 INFO L793 eck$LassoCheckResult]: Loop: 46#L65-2true assume !false; 39#L66true assume test_~splverifierCounter~0#1 < 4; 60#L67true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 70#L75true assume !(0 != test_~tmp~0#1); 57#L75-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 43#L85true assume !(0 != test_~tmp___0~0#1); 6#L85-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 25#L95true assume 0 != test_~tmp___2~0#1; 24#L101-2true assume { :begin_inline_timeShift } true; 7#L175true assume !(0 != ~pumpRunning~0); 11#L175-2true assume !(0 != ~systemActive~0); 77#L182-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#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; 36#L334true __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; 67#L484true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 41#L484-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 31#L192true assume { :end_inline_timeShift } true; 46#L65-2true [2022-02-21 04:14:49,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:49,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:14:49,915 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:49,915 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402291508] [2022-02-21 04:14:49,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:49,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:50,019 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:14:50,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:50,085 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:14:50,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:50,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1802262020, now seen corresponding path program 1 times [2022-02-21 04:14:50,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:50,089 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238348204] [2022-02-21 04:14:50,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:50,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:50,104 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:14:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:50,116 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:14:50,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:50,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1137286200, now seen corresponding path program 1 times [2022-02-21 04:14:50,120 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:50,121 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59405254] [2022-02-21 04:14:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:50,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:14:50,243 INFO L290 TraceCheckUtils]: 0: Hoare triple {87#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; {89#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:14:50,243 INFO L290 TraceCheckUtils]: 1: Hoare triple {89#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; {89#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:14:50,244 INFO L290 TraceCheckUtils]: 2: Hoare triple {89#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {89#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:14:50,245 INFO L290 TraceCheckUtils]: 3: Hoare triple {89#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {90#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:14:50,246 INFO L290 TraceCheckUtils]: 4: Hoare triple {90#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret23#1;havoc main_#t~ret23#1; {91#(= |ULTIMATE.start_main_~tmp~1#1| ~systemActive~0)} is VALID [2022-02-21 04:14:50,246 INFO L290 TraceCheckUtils]: 5: Hoare triple {91#(= |ULTIMATE.start_main_~tmp~1#1| ~systemActive~0)} assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; {92#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:50,247 INFO L290 TraceCheckUtils]: 6: Hoare triple {92#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {92#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:50,247 INFO L290 TraceCheckUtils]: 7: Hoare triple {92#(not (= 0 ~systemActive~0))} assume !false; {92#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:50,248 INFO L290 TraceCheckUtils]: 8: Hoare triple {92#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {92#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:50,248 INFO L290 TraceCheckUtils]: 9: Hoare triple {92#(not (= 0 ~systemActive~0))} test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {92#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:50,249 INFO L290 TraceCheckUtils]: 10: Hoare triple {92#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~0#1); {92#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:50,249 INFO L290 TraceCheckUtils]: 11: Hoare triple {92#(not (= 0 ~systemActive~0))} test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {92#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:50,250 INFO L290 TraceCheckUtils]: 12: Hoare triple {92#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {92#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:50,251 INFO L290 TraceCheckUtils]: 13: Hoare triple {92#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {92#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:50,251 INFO L290 TraceCheckUtils]: 14: Hoare triple {92#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {92#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:50,252 INFO L290 TraceCheckUtils]: 15: Hoare triple {92#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {92#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:50,252 INFO L290 TraceCheckUtils]: 16: Hoare triple {92#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {92#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:50,252 INFO L290 TraceCheckUtils]: 17: Hoare triple {92#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {88#false} is VALID [2022-02-21 04:14:50,253 INFO L290 TraceCheckUtils]: 18: Hoare triple {88#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#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; {88#false} is VALID [2022-02-21 04:14:50,253 INFO L290 TraceCheckUtils]: 19: Hoare triple {88#false} __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; {88#false} is VALID [2022-02-21 04:14:50,253 INFO L290 TraceCheckUtils]: 20: Hoare triple {88#false} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); {88#false} is VALID [2022-02-21 04:14:50,254 INFO L290 TraceCheckUtils]: 21: Hoare triple {88#false} assume { :end_inline___utac_acc__Specification1_spec__1 } true; {88#false} is VALID [2022-02-21 04:14:50,255 INFO L290 TraceCheckUtils]: 22: Hoare triple {88#false} assume { :end_inline_timeShift } true; {88#false} is VALID [2022-02-21 04:14:50,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:14:50,256 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:14:50,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59405254] [2022-02-21 04:14:50,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59405254] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:14:50,257 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:14:50,257 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:14:50,258 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671278087] [2022-02-21 04:14:50,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:14:50,387 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:14:50,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:14:50,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:14:50,415 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:14:50,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:14:50,901 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2022-02-21 04:14:50,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:14:50,903 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:14:50,937 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:14:50,941 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 263 transitions. [2022-02-21 04:14:50,949 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2022-02-21 04:14:50,971 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 179 states and 233 transitions. [2022-02-21 04:14:50,972 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2022-02-21 04:14:50,973 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2022-02-21 04:14:50,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 233 transitions. [2022-02-21 04:14:50,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:14:50,974 INFO L681 BuchiCegarLoop]: Abstraction has 179 states and 233 transitions. [2022-02-21 04:14:51,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 233 transitions. [2022-02-21 04:14:51,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 118. [2022-02-21 04:14:51,011 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:14:51,012 INFO L82 GeneralOperation]: Start isEquivalent. First operand 179 states and 233 transitions. Second operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 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) [2022-02-21 04:14:51,013 INFO L74 IsIncluded]: Start isIncluded. First operand 179 states and 233 transitions. Second operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 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) [2022-02-21 04:14:51,014 INFO L87 Difference]: Start difference. First operand 179 states and 233 transitions. Second operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 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) [2022-02-21 04:14:51,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:14:51,035 INFO L93 Difference]: Finished difference Result 179 states and 233 transitions. [2022-02-21 04:14:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2022-02-21 04:14:51,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:14:51,037 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:14:51,037 INFO L74 IsIncluded]: Start isIncluded. First operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 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 179 states and 233 transitions. [2022-02-21 04:14:51,037 INFO L87 Difference]: Start difference. First operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 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 179 states and 233 transitions. [2022-02-21 04:14:51,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:14:51,042 INFO L93 Difference]: Finished difference Result 179 states and 233 transitions. [2022-02-21 04:14:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2022-02-21 04:14:51,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:14:51,043 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:14:51,043 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:14:51,043 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:14:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 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) [2022-02-21 04:14:51,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2022-02-21 04:14:51,047 INFO L704 BuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-02-21 04:14:51,047 INFO L587 BuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-02-21 04:14:51,047 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:14:51,048 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 154 transitions. [2022-02-21 04:14:51,048 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2022-02-21 04:14:51,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:14:51,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:14:51,049 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:51,049 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:51,049 INFO L791 eck$LassoCheckResult]: Stem: 370#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 358#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~6#1, main_~tmp~1#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 359#L147 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 365#L140 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 364#L155 main_#t~ret23#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 362#L453 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 331#L430 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 332#L65-2 [2022-02-21 04:14:51,062 INFO L793 eck$LassoCheckResult]: Loop: 332#L65-2 assume !false; 350#L66 assume test_~splverifierCounter~0#1 < 4; 351#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 369#L75 assume !(0 != test_~tmp~0#1); 366#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 355#L85 assume !(0 != test_~tmp___0~0#1); 310#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 311#L95 assume 0 != test_~tmp___2~0#1; 336#L101-2 assume { :begin_inline_timeShift } true; 312#L175 assume !(0 != ~pumpRunning~0); 313#L175-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 319#L199 assume { :end_inline_processEnvironment } true; 368#L182-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~2#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~2#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#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; 345#L334 __utac_acc__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1; 346#L484 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2#1); 353#L484-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 342#L192 assume { :end_inline_timeShift } true; 332#L65-2 [2022-02-21 04:14:51,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:51,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:14:51,063 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:51,063 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327600265] [2022-02-21 04:14:51,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:51,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:51,077 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:14:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:51,112 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:14:51,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:51,113 INFO L85 PathProgramCache]: Analyzing trace with hash 663627436, now seen corresponding path program 1 times [2022-02-21 04:14:51,113 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:51,113 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418831859] [2022-02-21 04:14:51,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:51,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:51,132 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:14:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:51,137 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:14:51,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:51,138 INFO L85 PathProgramCache]: Analyzing trace with hash -268054168, now seen corresponding path program 1 times [2022-02-21 04:14:51,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:51,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677512635] [2022-02-21 04:14:51,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:51,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:51,165 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:14:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:51,176 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:14:53,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:14:53 BoogieIcfgContainer [2022-02-21 04:14:53,797 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:14:53,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:14:53,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:14:53,800 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:14:53,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:49" (3/4) ... [2022-02-21 04:14:53,804 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:14:53,852 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:14:53,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:14:53,854 INFO L158 Benchmark]: Toolchain (without parser) took 4875.62ms. Allocated memory was 77.6MB in the beginning and 136.3MB in the end (delta: 58.7MB). Free memory was 56.0MB in the beginning and 62.3MB in the end (delta: -6.3MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-02-21 04:14:53,854 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 55.8MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:14:53,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.68ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 55.6MB in the beginning and 57.8MB in the end (delta: -2.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-02-21 04:14:53,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.32ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 54.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:14:53,855 INFO L158 Benchmark]: Boogie Preprocessor took 31.13ms. Allocated memory is still 94.4MB. Free memory was 54.9MB in the beginning and 53.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:14:53,856 INFO L158 Benchmark]: RCFGBuilder took 351.93ms. Allocated memory is still 94.4MB. Free memory was 53.2MB in the beginning and 61.2MB in the end (delta: -8.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-02-21 04:14:53,856 INFO L158 Benchmark]: BuchiAutomizer took 4007.21ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 61.2MB in the beginning and 64.4MB in the end (delta: -3.2MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2022-02-21 04:14:53,856 INFO L158 Benchmark]: Witness Printer took 53.20ms. Allocated memory is still 136.3MB. Free memory was 64.4MB in the beginning and 62.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:14:53,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory was 55.8MB in the beginning and 55.8MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.68ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 55.6MB in the beginning and 57.8MB in the end (delta: -2.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.32ms. Allocated memory is still 94.4MB. Free memory was 57.7MB in the beginning and 54.9MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.13ms. Allocated memory is still 94.4MB. Free memory was 54.9MB in the beginning and 53.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.93ms. Allocated memory is still 94.4MB. Free memory was 53.2MB in the beginning and 61.2MB in the end (delta: -8.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 4007.21ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 61.2MB in the beginning and 64.4MB in the end (delta: -3.2MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. * Witness Printer took 53.20ms. Allocated memory is still 136.3MB. Free memory was 64.4MB in the beginning and 62.3MB 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 6 locations. The remainder module has 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 118 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 654 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 563 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 91 mSDtfsCounter, 42 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: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, pumpRunning=0, retValue_acc=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32ed202=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a009491=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@134e0a5a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4933ac4=29, methaneLevelCritical=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@453a67e0=0, retValue_acc=1, \result=1, retValue_acc=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b01825c=0, tmp=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22a1687c=0, \result=0, tmp=1, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L167] int pumpRunning = 0; [L168] int systemActive = 1; [L291] int waterLevel = 1; [L292] int methaneLevelCritical = 0; [L371] int cleanupTimeShifts = 4; [L671] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L444] int retValue_acc ; [L445] int tmp ; [L449] FCALL select_helpers() [L450] FCALL select_features() [L451] CALL, EXPR valid_product() [L151] int retValue_acc ; [L154] retValue_acc = 1 [L155] return (retValue_acc); [L451] RET, EXPR valid_product() [L451] tmp = valid_product() [L453] COND TRUE \read(tmp) [L455] FCALL setup() [L456] CALL runTest() [L438] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L110] CALL timeShift() [L175] COND FALSE !(\read(pumpRunning)) [L182] COND TRUE \read(systemActive) [L184] FCALL processEnvironment() [L190] CALL __utac_acc__Specification1_spec__1() [L477] int tmp ; [L478] int tmp___0 ; [L482] CALL, EXPR isMethaneLevelCritical() [L330] int retValue_acc ; [L333] retValue_acc = methaneLevelCritical [L334] return (retValue_acc); [L482] RET, EXPR isMethaneLevelCritical() [L482] tmp = isMethaneLevelCritical() [L484] COND FALSE !(\read(tmp)) [L190] RET __utac_acc__Specification1_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:14:53,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)