./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf 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_spec3_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 3db1272a61775d34f69f5bded6b264e1f3c0c6e0 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Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 03:56:31,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:56:31,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:56:31,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:56:31,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:56:31,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:56:31,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:56:31,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:56:31,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:56:31,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:56:31,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:56:31,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:56:31,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:56:31,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:56:31,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:56:31,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:56:31,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:56:31,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:56:31,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:56:31,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:56:31,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:56:31,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:56:31,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:56:31,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:56:31,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:56:31,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:56:31,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:56:31,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:56:31,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:56:31,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:56:31,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:56:31,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:56:31,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:56:31,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:56:31,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:56:31,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:56:31,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:56:31,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:56:31,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:56:31,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:56:31,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:56:31,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:56:31,700 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:56:31,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:56:31,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:56:31,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:56:31,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:56:31,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:56:31,704 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:56:31,704 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:56:31,704 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:56:31,705 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:56:31,705 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:56:31,705 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:56:31,705 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:56:31,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:56:31,706 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:56:31,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:56:31,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:56:31,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:56:31,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:56:31,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:56:31,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:56:31,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:56:31,707 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:56:31,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:56:31,707 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:56:31,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:56:31,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:56:31,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:56:31,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:56:31,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:56:31,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:56:31,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:56:31,710 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:56:31,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3db1272a61775d34f69f5bded6b264e1f3c0c6e0 [2021-08-31 03:56:31,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:56:31,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:56:31,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:56:31,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:56:31,979 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:56:31,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-08-31 03:56:32,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cf2e968f/5256460954d74c07b4781398a6192767/FLAG9b2213afc [2021-08-31 03:56:32,410 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:56:32,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product21.cil.c [2021-08-31 03:56:32,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cf2e968f/5256460954d74c07b4781398a6192767/FLAG9b2213afc [2021-08-31 03:56:32,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cf2e968f/5256460954d74c07b4781398a6192767 [2021-08-31 03:56:32,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:56:32,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:56:32,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:56:32,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:56:32,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:56:32,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:56:32" (1/1) ... [2021-08-31 03:56:32,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cebb767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32, skipping insertion in model container [2021-08-31 03:56:32,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:56:32" (1/1) ... [2021-08-31 03:56:32,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:56:32,502 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:56:32,690 WARN L228 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_spec3_product21.cil.c[13493,13506] [2021-08-31 03:56:32,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:56:32,723 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:56:32,752 WARN L228 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_spec3_product21.cil.c[13493,13506] [2021-08-31 03:56:32,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:56:32,770 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:56:32,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32 WrapperNode [2021-08-31 03:56:32,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:56:32,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:56:32,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:56:32,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:56:32,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32" (1/1) ... [2021-08-31 03:56:32,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32" (1/1) ... [2021-08-31 03:56:32,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:56:32,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:56:32,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:56:32,810 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:56:32,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32" (1/1) ... [2021-08-31 03:56:32,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32" (1/1) ... [2021-08-31 03:56:32,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32" (1/1) ... [2021-08-31 03:56:32,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32" (1/1) ... [2021-08-31 03:56:32,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32" (1/1) ... [2021-08-31 03:56:32,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32" (1/1) ... [2021-08-31 03:56:32,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32" (1/1) ... [2021-08-31 03:56:32,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:56:32,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:56:32,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:56:32,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:56:32,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32" (1/1) ... [2021-08-31 03:56:32,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:56:32,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:56:32,856 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) [2021-08-31 03:56:32,874 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 [2021-08-31 03:56:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:56:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:56:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:56:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:56:33,322 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:56:33,322 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-08-31 03:56:33,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:56:33 BoogieIcfgContainer [2021-08-31 03:56:33,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:56:33,324 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:56:33,324 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:56:33,326 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:56:33,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:56:33,327 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:56:32" (1/3) ... [2021-08-31 03:56:33,327 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f7352f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:56:33, skipping insertion in model container [2021-08-31 03:56:33,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:56:33,328 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:56:32" (2/3) ... [2021-08-31 03:56:33,328 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f7352f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:56:33, skipping insertion in model container [2021-08-31 03:56:33,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:56:33,328 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:56:33" (3/3) ... [2021-08-31 03:56:33,329 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product21.cil.c [2021-08-31 03:56:33,355 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:56:33,355 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:56:33,355 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:56:33,355 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:56:33,355 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:56:33,356 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:56:33,356 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:56:33,356 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:56:33,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.514018691588785) internal successors, (162), 107 states have internal predecessors, (162), 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) [2021-08-31 03:56:33,380 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-08-31 03:56:33,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:56:33,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:56:33,385 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:56:33,385 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:56:33,385 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:56:33,385 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.514018691588785) internal successors, (162), 107 states have internal predecessors, (162), 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) [2021-08-31 03:56:33,389 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-08-31 03:56:33,389 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:56:33,389 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:56:33,390 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:56:33,390 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:56:33,395 INFO L791 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 28#L-1true havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 13#L918true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 69#L926true main_#t~ret76 := valid_product_#res;main_~tmp~7 := main_#t~ret76;havoc main_#t~ret76; 30#L848true assume 0 != main_~tmp~7; 54#L822true havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 105#L877-1true [2021-08-31 03:56:33,395 INFO L793 eck$LassoCheckResult]: Loop: 105#L877-1true assume !false; 58#L619true assume test_~splverifierCounter~0 < 4; 39#L620true test_~tmp~6 := test_#t~nondet62;havoc test_#t~nondet62; 35#L628true assume !(0 != test_~tmp~6); 63#L628-1true test_~tmp___0~1 := test_#t~nondet63;havoc test_#t~nondet63; 78#L638true assume !(0 != test_~tmp___0~1); 31#L638-1true test_~tmp___2~0 := test_#t~nondet64;havoc test_#t~nondet64; 109#L648true assume 0 != test_~tmp___2~0; 51#L654-2true assume !(0 != ~pumpRunning~0); 86#L425true assume !(0 != ~systemActive~0); 64#L432true havoc __utac_acc__Specification3_spec__1_#t~ret77, __utac_acc__Specification3_spec__1_#t~ret78, __utac_acc__Specification3_spec__1_#t~ret79, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 41#L717-1true __utac_acc__Specification3_spec__1_#t~ret77 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret77;havoc __utac_acc__Specification3_spec__1_#t~ret77; 75#L871true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 105#L877-1true [2021-08-31 03:56:33,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:56:33,399 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 03:56:33,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:56:33,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295620757] [2021-08-31 03:56:33,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:56:33,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:56:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:33,536 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:56:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:33,611 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:56:33,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:56:33,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1680298507, now seen corresponding path program 1 times [2021-08-31 03:56:33,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:56:33,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351061540] [2021-08-31 03:56:33,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:56:33,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:56:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:33,618 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:56:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:33,623 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:56:33,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:56:33,624 INFO L82 PathProgramCache]: Analyzing trace with hash 33980431, now seen corresponding path program 1 times [2021-08-31 03:56:33,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:56:33,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824322534] [2021-08-31 03:56:33,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:56:33,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:56:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:56:33,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:56:33,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:56:33,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824322534] [2021-08-31 03:56:33,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824322534] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:56:33,734 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:56:33,735 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:56:33,735 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948131145] [2021-08-31 03:56:33,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:56:33,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 03:56:33,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 03:56:33,842 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.514018691588785) internal successors, (162), 107 states have internal predecessors, (162), 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 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-08-31 03:56:34,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:56:34,182 INFO L93 Difference]: Finished difference Result 108 states and 151 transitions. [2021-08-31 03:56:34,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 03:56:34,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 151 transitions. [2021-08-31 03:56:34,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-08-31 03:56:34,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 101 states and 144 transitions. [2021-08-31 03:56:34,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 101 [2021-08-31 03:56:34,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 101 [2021-08-31 03:56:34,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 144 transitions. [2021-08-31 03:56:34,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:56:34,193 INFO L681 BuchiCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-08-31 03:56:34,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 144 transitions. [2021-08-31 03:56:34,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2021-08-31 03:56:34,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.4257425742574257) internal successors, (144), 100 states have internal predecessors, (144), 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) [2021-08-31 03:56:34,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2021-08-31 03:56:34,212 INFO L704 BuchiCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-08-31 03:56:34,212 INFO L587 BuchiCegarLoop]: Abstraction has 101 states and 144 transitions. [2021-08-31 03:56:34,212 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:56:34,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 144 transitions. [2021-08-31 03:56:34,214 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-08-31 03:56:34,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:56:34,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:56:34,214 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:56:34,214 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:56:34,215 INFO L791 eck$LassoCheckResult]: Stem: 330#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 277#L-1 havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 254#L918 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 255#L926 main_#t~ret76 := valid_product_#res;main_~tmp~7 := main_#t~ret76;havoc main_#t~ret76; 280#L848 assume 0 != main_~tmp~7; 281#L822 havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 260#L877-1 [2021-08-31 03:56:34,215 INFO L793 eck$LassoCheckResult]: Loop: 260#L877-1 assume !false; 311#L619 assume test_~splverifierCounter~0 < 4; 291#L620 test_~tmp~6 := test_#t~nondet62;havoc test_#t~nondet62; 286#L628 assume !(0 != test_~tmp~6); 274#L628-1 test_~tmp___0~1 := test_#t~nondet63;havoc test_#t~nondet63; 317#L638 assume !(0 != test_~tmp___0~1); 282#L638-1 test_~tmp___2~0 := test_#t~nondet64;havoc test_#t~nondet64; 283#L648 assume 0 != test_~tmp___2~0; 303#L654-2 assume !(0 != ~pumpRunning~0); 304#L425 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 325#L483 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret42, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; 250#L457-1 assume !(0 != ~pumpRunning~0); 239#L432 havoc __utac_acc__Specification3_spec__1_#t~ret77, __utac_acc__Specification3_spec__1_#t~ret78, __utac_acc__Specification3_spec__1_#t~ret79, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 293#L717-1 __utac_acc__Specification3_spec__1_#t~ret77 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret77;havoc __utac_acc__Specification3_spec__1_#t~ret77; 294#L871 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 260#L877-1 [2021-08-31 03:56:34,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:56:34,216 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 03:56:34,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:56:34,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464722212] [2021-08-31 03:56:34,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:56:34,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:56:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:34,269 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:56:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:34,312 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:56:34,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:56:34,313 INFO L82 PathProgramCache]: Analyzing trace with hash -2008522617, now seen corresponding path program 1 times [2021-08-31 03:56:34,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:56:34,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543991648] [2021-08-31 03:56:34,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:56:34,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:56:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:34,316 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:56:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:34,320 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:56:34,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:56:34,321 INFO L82 PathProgramCache]: Analyzing trace with hash 441062433, now seen corresponding path program 1 times [2021-08-31 03:56:34,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:56:34,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219950990] [2021-08-31 03:56:34,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:56:34,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:56:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:56:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:56:34,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:56:34,369 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219950990] [2021-08-31 03:56:34,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219950990] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:56:34,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:56:34,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:56:34,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647882561] [2021-08-31 03:56:34,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:56:34,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 03:56:34,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 03:56:34,445 INFO L87 Difference]: Start difference. First operand 101 states and 144 transitions. cyclomatic complexity: 45 Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2021-08-31 03:56:35,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:56:35,296 INFO L93 Difference]: Finished difference Result 355 states and 516 transitions. [2021-08-31 03:56:35,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-31 03:56:35,297 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 355 states and 516 transitions. [2021-08-31 03:56:35,301 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 241 [2021-08-31 03:56:35,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 355 states to 355 states and 516 transitions. [2021-08-31 03:56:35,303 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 355 [2021-08-31 03:56:35,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 355 [2021-08-31 03:56:35,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 355 states and 516 transitions. [2021-08-31 03:56:35,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:56:35,305 INFO L681 BuchiCegarLoop]: Abstraction has 355 states and 516 transitions. [2021-08-31 03:56:35,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states and 516 transitions. [2021-08-31 03:56:35,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 196. [2021-08-31 03:56:35,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 196 states have (on average 1.4183673469387754) internal successors, (278), 195 states have internal predecessors, (278), 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) [2021-08-31 03:56:35,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 278 transitions. [2021-08-31 03:56:35,315 INFO L704 BuchiCegarLoop]: Abstraction has 196 states and 278 transitions. [2021-08-31 03:56:35,315 INFO L587 BuchiCegarLoop]: Abstraction has 196 states and 278 transitions. [2021-08-31 03:56:35,315 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:56:35,315 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 196 states and 278 transitions. [2021-08-31 03:56:35,316 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 134 [2021-08-31 03:56:35,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:56:35,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:56:35,317 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:56:35,317 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:56:35,322 INFO L791 eck$LassoCheckResult]: Stem: 824#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(13);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string52.base, #t~string52.offset, 1);call write~init~int(80, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(117, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(109, #t~string52.base, 3 + #t~string52.offset, 1);call write~init~int(112, #t~string52.base, 4 + #t~string52.offset, 1);call write~init~int(58, #t~string52.base, 5 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 6 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string58.base, #t~string58.offset, 1);call write~init~int(32, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string60.base, #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 1 + #t~string60.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 753#L-1 havoc main_#res;havoc main_#t~ret76, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 730#L918 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 731#L926 main_#t~ret76 := valid_product_#res;main_~tmp~7 := main_#t~ret76;havoc main_#t~ret76; 756#L848 assume 0 != main_~tmp~7; 757#L822 havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 735#L877-1 [2021-08-31 03:56:35,323 INFO L793 eck$LassoCheckResult]: Loop: 735#L877-1 assume !false; 793#L619 assume test_~splverifierCounter~0 < 4; 769#L620 test_~tmp~6 := test_#t~nondet62;havoc test_#t~nondet62; 763#L628 assume !(0 != test_~tmp~6); 750#L628-1 test_~tmp___0~1 := test_#t~nondet63;havoc test_#t~nondet63; 802#L638 assume !(0 != test_~tmp___0~1); 758#L638-1 test_~tmp___2~0 := test_#t~nondet64;havoc test_#t~nondet64; 759#L648 assume 0 != test_~tmp___2~0; 784#L654-2 assume !(0 != ~pumpRunning~0); 785#L425 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret43, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 815#L483 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret42, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; 724#L457-1 assume !(0 != ~pumpRunning~0); 713#L432 havoc __utac_acc__Specification3_spec__1_#t~ret77, __utac_acc__Specification3_spec__1_#t~ret78, __utac_acc__Specification3_spec__1_#t~ret79, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 854#L717-1 __utac_acc__Specification3_spec__1_#t~ret77 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret77;havoc __utac_acc__Specification3_spec__1_#t~ret77; 809#L871 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 810#L749 __utac_acc__Specification3_spec__1_#t~ret78 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret78;havoc __utac_acc__Specification3_spec__1_#t~ret78; 734#L877 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 735#L877-1 [2021-08-31 03:56:35,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:56:35,323 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2021-08-31 03:56:35,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:56:35,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535755150] [2021-08-31 03:56:35,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:56:35,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:56:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:35,343 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:56:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:35,368 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:56:35,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:56:35,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1749911687, now seen corresponding path program 1 times [2021-08-31 03:56:35,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:56:35,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744767702] [2021-08-31 03:56:35,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:56:35,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:56:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:35,372 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:56:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:35,376 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:56:35,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:56:35,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1340756845, now seen corresponding path program 1 times [2021-08-31 03:56:35,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:56:35,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946291159] [2021-08-31 03:56:35,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:56:35,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:56:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:35,393 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:56:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:56:35,416 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:57:15,755 WARN L210 SmtUtils]: Spent 40.25s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 03:57:56,494 WARN L210 SmtUtils]: Spent 19.41s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 03:57:56,611 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 03:57:56,612 INFO L158 Benchmark]: Toolchain (without parser) took 84164.13ms. Allocated memory was 46.1MB in the beginning and 98.6MB in the end (delta: 52.4MB). Free memory was 21.6MB in the beginning and 48.2MB in the end (delta: -26.5MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2021-08-31 03:57:56,612 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:57:56,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.07ms. Allocated memory was 46.1MB in the beginning and 56.6MB in the end (delta: 10.5MB). Free memory was 21.4MB in the beginning and 32.9MB in the end (delta: -11.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2021-08-31 03:57:56,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.36ms. Allocated memory is still 56.6MB. Free memory was 32.7MB in the beginning and 29.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:57:56,614 INFO L158 Benchmark]: Boogie Preprocessor took 25.33ms. Allocated memory is still 56.6MB. Free memory was 29.3MB in the beginning and 38.4MB in the end (delta: -9.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-08-31 03:57:56,614 INFO L158 Benchmark]: RCFGBuilder took 488.06ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 38.4MB in the beginning and 45.2MB in the end (delta: -6.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-08-31 03:57:56,614 INFO L158 Benchmark]: BuchiAutomizer took 83287.46ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 44.9MB in the beginning and 48.2MB in the end (delta: -3.2MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2021-08-31 03:57:56,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 29.0MB in the beginning and 28.9MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.07ms. Allocated memory was 46.1MB in the beginning and 56.6MB in the end (delta: 10.5MB). Free memory was 21.4MB in the beginning and 32.9MB in the end (delta: -11.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.36ms. Allocated memory is still 56.6MB. Free memory was 32.7MB in the beginning and 29.3MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.33ms. Allocated memory is still 56.6MB. Free memory was 29.3MB in the beginning and 38.4MB in the end (delta: -9.1MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.06ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 38.4MB in the beginning and 45.2MB in the end (delta: -6.9MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 83287.46ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 44.9MB in the beginning and 48.2MB in the end (delta: -3.2MB). Peak memory consumption was 52.0MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 196 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 03:57:56,673 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...