./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.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_spec5_productSimulator.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 0d8bfdcffbfa2f8ea1896cdcb99e5a5238344d77 ............................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:14:59,881 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:14:59,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:14:59,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:14:59,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:14:59,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:14:59,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:14:59,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:14:59,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:14:59,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:14:59,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:14:59,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:14:59,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:14:59,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:14:59,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:14:59,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:14:59,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:14:59,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:14:59,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:14:59,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:14:59,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:14:59,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:14:59,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:14:59,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:14:59,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:14:59,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:14:59,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:14:59,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:14:59,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:14:59,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:14:59,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:14:59,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:14:59,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:14:59,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:14:59,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:14:59,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:14:59,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:14:59,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:14:59,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:14:59,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:14:59,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:14:59,962 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:14:59,982 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:14:59,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:14:59,983 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:14:59,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:14:59,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:14:59,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:14:59,985 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:14:59,985 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:14:59,985 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:14:59,985 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:14:59,985 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:14:59,985 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:14:59,986 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:14:59,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:14:59,986 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:14:59,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:14:59,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:14:59,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:14:59,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:14:59,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:14:59,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:14:59,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:14:59,987 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:14:59,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:14:59,988 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:14:59,988 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:14:59,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:14:59,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:14:59,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:14:59,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:14:59,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:14:59,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:14:59,990 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:14:59,990 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d8bfdcffbfa2f8ea1896cdcb99e5a5238344d77 [2021-08-31 04:15:00,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:15:00,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:15:00,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:15:00,346 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:15:00,346 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:15:00,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2021-08-31 04:15:00,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/369ba244f/b147fbf56bc34298a90a8296550db334/FLAG46a0dca95 [2021-08-31 04:15:00,955 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:15:00,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_productSimulator.cil.c [2021-08-31 04:15:00,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/369ba244f/b147fbf56bc34298a90a8296550db334/FLAG46a0dca95 [2021-08-31 04:15:01,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/369ba244f/b147fbf56bc34298a90a8296550db334 [2021-08-31 04:15:01,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:15:01,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:15:01,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:15:01,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:15:01,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:15:01,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:15:01" (1/1) ... [2021-08-31 04:15:01,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b870da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01, skipping insertion in model container [2021-08-31 04:15:01,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:15:01" (1/1) ... [2021-08-31 04:15:01,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:15:01,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:15:01,684 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_spec5_productSimulator.cil.c[5400,5413] [2021-08-31 04:15:01,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:15:01,818 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:15:01,847 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_spec5_productSimulator.cil.c[5400,5413] [2021-08-31 04:15:01,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:15:01,922 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:15:01,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01 WrapperNode [2021-08-31 04:15:01,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:15:01,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:15:01,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:15:01,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:15:01,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01" (1/1) ... [2021-08-31 04:15:01,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01" (1/1) ... [2021-08-31 04:15:02,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:15:02,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:15:02,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:15:02,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:15:02,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01" (1/1) ... [2021-08-31 04:15:02,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01" (1/1) ... [2021-08-31 04:15:02,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01" (1/1) ... [2021-08-31 04:15:02,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01" (1/1) ... [2021-08-31 04:15:02,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01" (1/1) ... [2021-08-31 04:15:02,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01" (1/1) ... [2021-08-31 04:15:02,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01" (1/1) ... [2021-08-31 04:15:02,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:15:02,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:15:02,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:15:02,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:15:02,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01" (1/1) ... [2021-08-31 04:15:02,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:15:02,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:15:02,245 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 04:15:02,260 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 04:15:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:15:02,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:15:02,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:15:02,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:15:02,821 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:15:02,821 INFO L299 CfgBuilder]: Removed 914 assume(true) statements. [2021-08-31 04:15:02,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:15:02 BoogieIcfgContainer [2021-08-31 04:15:02,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:15:02,827 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:15:02,827 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:15:02,831 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:15:02,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:15:02,832 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:15:01" (1/3) ... [2021-08-31 04:15:02,833 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34784128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:15:02, skipping insertion in model container [2021-08-31 04:15:02,833 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:15:02,834 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:15:01" (2/3) ... [2021-08-31 04:15:02,834 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34784128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:15:02, skipping insertion in model container [2021-08-31 04:15:02,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:15:02,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:15:02" (3/3) ... [2021-08-31 04:15:02,836 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_productSimulator.cil.c [2021-08-31 04:15:02,877 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:15:02,877 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:15:02,877 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:15:02,878 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:15:02,878 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:15:02,878 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:15:02,878 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:15:02,878 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:15:02,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 476 states, 475 states have (on average 1.5642105263157895) internal successors, (743), 475 states have internal predecessors, (743), 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 04:15:02,968 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 311 [2021-08-31 04:15:02,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:15:02,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:15:02,981 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:15:02,981 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:15:02,981 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:15:02,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 476 states, 475 states have (on average 1.5642105263157895) internal successors, (743), 475 states have internal predecessors, (743), 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 04:15:02,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 311 [2021-08-31 04:15:02,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:15:02,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:15:02,996 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:15:02,996 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:15:03,003 INFO L791 eck$LassoCheckResult]: Stem: 453#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(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string76.base, #t~string76.offset, 1);call write~init~int(80, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(117, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(109, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(112, #t~string76.base, 4 + #t~string76.offset, 1);call write~init~int(58, #t~string76.base, 5 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 6 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string78.base, #t~string78.offset, 1);call write~init~int(110, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 2 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string80.base, #t~string80.offset, 1);call write~init~int(102, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(102, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string82.base, #t~string82.offset, 1);call write~init~int(32, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 2 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string84.base, #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 1 + #t~string84.offset, 1);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 397#L-1true havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 24#L297true havoc select_features_#t~ret19, select_features_#t~ret20, select_features_#t~ret21, select_features_#t~ret22, select_features_#t~ret23, select_features_#t~ret24;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 33#L272true select_features_#t~ret19 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret19;havoc select_features_#t~ret19;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 354#L272-1true select_features_#t~ret20 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret20;havoc select_features_#t~ret20;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 14#L272-2true select_features_#t~ret21 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret21;havoc select_features_#t~ret21;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 364#L272-3true select_features_#t~ret22 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret22;havoc select_features_#t~ret22;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 305#L272-4true select_features_#t~ret23 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret23;havoc select_features_#t~ret23;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 473#L272-5true select_features_#t~ret24 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret24;havoc select_features_#t~ret24; 396#L289true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~6; 165#L305true main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 424#L251true assume 0 != main_~tmp~0; 72#L222true ~switchedOnBeforeTS~0 := 0; 319#L1109true havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 384#L1130-1true [2021-08-31 04:15:03,004 INFO L793 eck$LassoCheckResult]: Loop: 384#L1130-1true assume !false; 435#L698true assume test_~splverifierCounter~0 < 4; 149#L699true test_~tmp~4 := test_#t~nondet60;havoc test_#t~nondet60; 420#L707true assume !(0 != test_~tmp~4); 291#L707-1true test_~tmp___0~0 := test_#t~nondet61;havoc test_#t~nondet61; 15#L717true assume !(0 != test_~tmp___0~0); 277#L717-1true test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; 372#L727true assume 0 != test_~tmp___2~0; 57#L728true assume !(0 != ~__SELECTED_FEATURE_startCommand~0); 333#L739-1true havoc __utac_acc__Specification5_spec__2_#t~ret87;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 25#L1001true __utac_acc__Specification5_spec__2_#t~ret87 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret87;havoc __utac_acc__Specification5_spec__2_#t~ret87; 189#L1119true assume !(0 != ~pumpRunning~0); 358#L779true assume !(0 != ~systemActive~0); 11#L786true havoc __utac_acc__Specification5_spec__3_#t~ret88, __utac_acc__Specification5_spec__3_#t~ret89, __utac_acc__Specification5_spec__3_~tmp~11, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~11;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 202#L133true __utac_acc__Specification5_spec__3_#t~ret88 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~11 := __utac_acc__Specification5_spec__3_#t~ret88;havoc __utac_acc__Specification5_spec__3_#t~ret88; 5#L1130true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11); 384#L1130-1true [2021-08-31 04:15:03,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:15:03,010 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 1 times [2021-08-31 04:15:03,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:15:03,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940298062] [2021-08-31 04:15:03,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:15:03,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:15:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:03,193 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:15:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:03,368 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:15:03,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:15:03,370 INFO L82 PathProgramCache]: Analyzing trace with hash 832980286, now seen corresponding path program 1 times [2021-08-31 04:15:03,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:15:03,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525375031] [2021-08-31 04:15:03,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:15:03,371 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:15:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:03,377 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:15:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:03,384 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:15:03,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:15:03,385 INFO L82 PathProgramCache]: Analyzing trace with hash 224402797, now seen corresponding path program 1 times [2021-08-31 04:15:03,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:15:03,386 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821466030] [2021-08-31 04:15:03,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:15:03,386 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:15:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:15:03,565 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 04:15:03,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:15:03,565 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821466030] [2021-08-31 04:15:03,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821466030] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:15:03,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:15:03,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-31 04:15:03,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191805903] [2021-08-31 04:15:03,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:15:03,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-31 04:15:03,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-31 04:15:03,817 INFO L87 Difference]: Start difference. First operand has 476 states, 475 states have (on average 1.5642105263157895) internal successors, (743), 475 states have internal predecessors, (743), 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 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 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 04:15:07,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:15:07,704 INFO L93 Difference]: Finished difference Result 1460 states and 2253 transitions. [2021-08-31 04:15:07,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-31 04:15:07,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1460 states and 2253 transitions. [2021-08-31 04:15:07,731 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 966 [2021-08-31 04:15:07,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1460 states to 1432 states and 2225 transitions. [2021-08-31 04:15:07,745 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1432 [2021-08-31 04:15:07,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1432 [2021-08-31 04:15:07,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1432 states and 2225 transitions. [2021-08-31 04:15:07,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:15:07,753 INFO L681 BuchiCegarLoop]: Abstraction has 1432 states and 2225 transitions. [2021-08-31 04:15:07,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states and 2225 transitions. [2021-08-31 04:15:07,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 520. [2021-08-31 04:15:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 520 states have (on average 1.5384615384615385) internal successors, (800), 519 states have internal predecessors, (800), 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 04:15:07,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 800 transitions. [2021-08-31 04:15:07,808 INFO L704 BuchiCegarLoop]: Abstraction has 520 states and 800 transitions. [2021-08-31 04:15:07,808 INFO L587 BuchiCegarLoop]: Abstraction has 520 states and 800 transitions. [2021-08-31 04:15:07,809 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:15:07,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 520 states and 800 transitions. [2021-08-31 04:15:07,811 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 348 [2021-08-31 04:15:07,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:15:07,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:15:07,813 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:15:07,813 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:15:07,813 INFO L791 eck$LassoCheckResult]: Stem: 2426#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(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string76.base, #t~string76.offset, 1);call write~init~int(80, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(117, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(109, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(112, #t~string76.base, 4 + #t~string76.offset, 1);call write~init~int(58, #t~string76.base, 5 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 6 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string78.base, #t~string78.offset, 1);call write~init~int(110, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 2 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string80.base, #t~string80.offset, 1);call write~init~int(102, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(102, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string82.base, #t~string82.offset, 1);call write~init~int(32, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 2 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string84.base, #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 1 + #t~string84.offset, 1);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 2411#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 2000#L297 havoc select_features_#t~ret19, select_features_#t~ret20, select_features_#t~ret21, select_features_#t~ret22, select_features_#t~ret23, select_features_#t~ret24;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2001#L272 select_features_#t~ret19 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret19;havoc select_features_#t~ret19;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2018#L272-1 select_features_#t~ret20 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret20;havoc select_features_#t~ret20;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 1980#L272-2 select_features_#t~ret21 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret21;havoc select_features_#t~ret21;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 1981#L272-3 select_features_#t~ret22 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret22;havoc select_features_#t~ret22;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2355#L272-4 select_features_#t~ret23 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret23;havoc select_features_#t~ret23;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 2356#L272-5 select_features_#t~ret24 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret24;havoc select_features_#t~ret24; 2410#L289 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~6; 2222#L305 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 2223#L251 assume 0 != main_~tmp~0; 2087#L222 ~switchedOnBeforeTS~0 := 0; 2088#L1109 havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1963#L1130-1 [2021-08-31 04:15:07,814 INFO L793 eck$LassoCheckResult]: Loop: 1963#L1130-1 assume !false; 2401#L698 assume test_~splverifierCounter~0 < 4; 2205#L699 test_~tmp~4 := test_#t~nondet60;havoc test_#t~nondet60; 2206#L707 assume !(0 != test_~tmp~4); 2342#L707-1 test_~tmp___0~0 := test_#t~nondet61;havoc test_#t~nondet61; 1982#L717 assume !(0 != test_~tmp___0~0); 1983#L717-1 test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; 2329#L727 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet63;havoc test_#t~nondet63; 2291#L739 assume !(0 != test_~tmp___1~0); 2061#L739-1 havoc __utac_acc__Specification5_spec__2_#t~ret87;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 2002#L1001 __utac_acc__Specification5_spec__2_#t~ret87 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret87;havoc __utac_acc__Specification5_spec__2_#t~ret87; 2003#L1119 assume !(0 != ~pumpRunning~0); 2165#L779 assume 0 != ~systemActive~0; 2388#L922 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 2121#L879-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 2122#L836-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 1974#L786 havoc __utac_acc__Specification5_spec__3_#t~ret88, __utac_acc__Specification5_spec__3_#t~ret89, __utac_acc__Specification5_spec__3_~tmp~11, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~11;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 1975#L133 __utac_acc__Specification5_spec__3_#t~ret88 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~11 := __utac_acc__Specification5_spec__3_#t~ret88;havoc __utac_acc__Specification5_spec__3_#t~ret88; 1961#L1130 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~11); 1963#L1130-1 [2021-08-31 04:15:07,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:15:07,814 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 2 times [2021-08-31 04:15:07,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:15:07,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687968204] [2021-08-31 04:15:07,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:15:07,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:15:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:07,848 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:15:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:07,923 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:15:07,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:15:07,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1823094131, now seen corresponding path program 1 times [2021-08-31 04:15:07,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:15:07,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703550424] [2021-08-31 04:15:07,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:15:07,930 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:15:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:07,935 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:15:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:07,944 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:15:07,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:15:07,950 INFO L82 PathProgramCache]: Analyzing trace with hash 748075748, now seen corresponding path program 1 times [2021-08-31 04:15:07,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:15:07,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560093745] [2021-08-31 04:15:07,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:15:07,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:15:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:15:08,033 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 04:15:08,033 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:15:08,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560093745] [2021-08-31 04:15:08,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560093745] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:15:08,035 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:15:08,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:15:08,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669127083] [2021-08-31 04:15:08,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:15:08,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:15:08,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:15:08,194 INFO L87 Difference]: Start difference. First operand 520 states and 800 transitions. cyclomatic complexity: 283 Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 04:15:11,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:15:11,139 INFO L93 Difference]: Finished difference Result 1767 states and 2691 transitions. [2021-08-31 04:15:11,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:15:11,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1767 states and 2691 transitions. [2021-08-31 04:15:11,152 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 690 [2021-08-31 04:15:11,161 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1767 states to 1767 states and 2691 transitions. [2021-08-31 04:15:11,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1767 [2021-08-31 04:15:11,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1767 [2021-08-31 04:15:11,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1767 states and 2691 transitions. [2021-08-31 04:15:11,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:15:11,165 INFO L681 BuchiCegarLoop]: Abstraction has 1767 states and 2691 transitions. [2021-08-31 04:15:11,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states and 2691 transitions. [2021-08-31 04:15:11,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1026. [2021-08-31 04:15:11,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 1026 states have (on average 1.5058479532163742) internal successors, (1545), 1025 states have internal predecessors, (1545), 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 04:15:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1545 transitions. [2021-08-31 04:15:11,194 INFO L704 BuchiCegarLoop]: Abstraction has 1026 states and 1545 transitions. [2021-08-31 04:15:11,194 INFO L587 BuchiCegarLoop]: Abstraction has 1026 states and 1545 transitions. [2021-08-31 04:15:11,195 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 04:15:11,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1026 states and 1545 transitions. [2021-08-31 04:15:11,199 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 690 [2021-08-31 04:15:11,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:15:11,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:15:11,201 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:15:11,201 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:15:11,201 INFO L791 eck$LassoCheckResult]: Stem: 4790#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(38);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string76.base, #t~string76.offset, 1);call write~init~int(80, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(117, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(109, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(112, #t~string76.base, 4 + #t~string76.offset, 1);call write~init~int(58, #t~string76.base, 5 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 6 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string78.base, #t~string78.offset, 1);call write~init~int(110, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 2 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string80.base, #t~string80.offset, 1);call write~init~int(102, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(102, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string82.base, #t~string82.offset, 1);call write~init~int(32, #t~string82.base, 1 + #t~string82.offset, 1);call write~init~int(0, #t~string82.base, 2 + #t~string82.offset, 1);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string84.base, #t~string84.offset, 1);call write~init~int(0, #t~string84.base, 1 + #t~string84.offset, 1);~__SELECTED_FEATURE_base~0 := 0;~__SELECTED_FEATURE_highWaterSensor~0 := 0;~__SELECTED_FEATURE_lowWaterSensor~0 := 0;~__SELECTED_FEATURE_methaneQuery~0 := 0;~__SELECTED_FEATURE_methaneAlarm~0 := 0;~__SELECTED_FEATURE_stopCommand~0 := 0;~__SELECTED_FEATURE_startCommand~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 4761#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 4304#L297 havoc select_features_#t~ret19, select_features_#t~ret20, select_features_#t~ret21, select_features_#t~ret22, select_features_#t~ret23, select_features_#t~ret24;~__SELECTED_FEATURE_base~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4305#L272 select_features_#t~ret19 := select_one_#res;~__SELECTED_FEATURE_highWaterSensor~0 := select_features_#t~ret19;havoc select_features_#t~ret19;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4324#L272-1 select_features_#t~ret20 := select_one_#res;~__SELECTED_FEATURE_lowWaterSensor~0 := select_features_#t~ret20;havoc select_features_#t~ret20;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4284#L272-2 select_features_#t~ret21 := select_one_#res;~__SELECTED_FEATURE_methaneQuery~0 := select_features_#t~ret21;havoc select_features_#t~ret21;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4285#L272-3 select_features_#t~ret22 := select_one_#res;~__SELECTED_FEATURE_methaneAlarm~0 := select_features_#t~ret22;havoc select_features_#t~ret22;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4692#L272-4 select_features_#t~ret23 := select_one_#res;~__SELECTED_FEATURE_stopCommand~0 := select_features_#t~ret23;havoc select_features_#t~ret23;havoc select_one_#res;havoc select_one_#t~nondet18, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet18;havoc select_one_#t~nondet18;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 4693#L272-5 select_features_#t~ret24 := select_one_#res;~__SELECTED_FEATURE_startCommand~0 := select_features_#t~ret24;havoc select_features_#t~ret24; 4760#L289 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := ~__SELECTED_FEATURE_base~0;valid_product_#res := valid_product_~retValue_acc~6; 4540#L305 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 4541#L251 assume 0 != main_~tmp~0; 4393#L222 ~switchedOnBeforeTS~0 := 0; 4394#L1109 havoc test_#t~nondet60, test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 4705#L1130-1 [2021-08-31 04:15:11,202 INFO L793 eck$LassoCheckResult]: Loop: 4705#L1130-1 assume !false; 5011#L698 assume test_~splverifierCounter~0 < 4; 5010#L699 test_~tmp~4 := test_#t~nondet60;havoc test_#t~nondet60; 5008#L707 assume !(0 != test_~tmp~4); 5007#L707-1 test_~tmp___0~0 := test_#t~nondet61;havoc test_#t~nondet61; 5006#L717 assume !(0 != test_~tmp___0~0); 5004#L717-1 test_~tmp___2~0 := test_#t~nondet62;havoc test_#t~nondet62; 5002#L727 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet63;havoc test_#t~nondet63; 5001#L739 assume !(0 != test_~tmp___1~0); 4989#L739-1 havoc __utac_acc__Specification5_spec__2_#t~ret87;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 5094#L1001 __utac_acc__Specification5_spec__2_#t~ret87 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret87;havoc __utac_acc__Specification5_spec__2_#t~ret87; 5092#L1119 assume !(0 != ~pumpRunning~0); 5091#L779 assume 0 != ~systemActive~0; 4983#L922 assume !(0 != ~__SELECTED_FEATURE_methaneAlarm~0); 4427#L879-2 assume !(0 != ~__SELECTED_FEATURE_lowWaterSensor~0); 4428#L836-8 assume !(0 != ~__SELECTED_FEATURE_highWaterSensor~0); 5017#L786 havoc __utac_acc__Specification5_spec__3_#t~ret88, __utac_acc__Specification5_spec__3_#t~ret89, __utac_acc__Specification5_spec__3_~tmp~11, __utac_acc__Specification5_spec__3_~tmp___0~3;havoc __utac_acc__Specification5_spec__3_~tmp~11;havoc __utac_acc__Specification5_spec__3_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 5016#L133 __utac_acc__Specification5_spec__3_#t~ret88 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~11 := __utac_acc__Specification5_spec__3_#t~ret88;havoc __utac_acc__Specification5_spec__3_#t~ret88; 5015#L1130 assume 2 != __utac_acc__Specification5_spec__3_~tmp~11;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~11;havoc isPumpRunning_~retValue_acc~11;isPumpRunning_~retValue_acc~11 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~11; 5014#L1001-1 __utac_acc__Specification5_spec__3_#t~ret89 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~3 := __utac_acc__Specification5_spec__3_#t~ret89;havoc __utac_acc__Specification5_spec__3_#t~ret89; 5013#L1134 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3); 4705#L1130-1 [2021-08-31 04:15:11,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:15:11,203 INFO L82 PathProgramCache]: Analyzing trace with hash 527832624, now seen corresponding path program 3 times [2021-08-31 04:15:11,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:15:11,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429819813] [2021-08-31 04:15:11,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:15:11,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:15:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:11,253 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:15:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:11,307 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:15:11,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:15:11,308 INFO L82 PathProgramCache]: Analyzing trace with hash -353190610, now seen corresponding path program 1 times [2021-08-31 04:15:11,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:15:11,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092952814] [2021-08-31 04:15:11,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:15:11,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:15:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:11,334 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:15:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:11,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:15:11,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:15:11,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1641261663, now seen corresponding path program 1 times [2021-08-31 04:15:11,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:15:11,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260152155] [2021-08-31 04:15:11,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:15:11,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:15:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:11,363 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:15:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:15:11,395 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:16:02,376 WARN L210 SmtUtils]: Spent 50.79s on a formula simplification. DAG size of input: 557 DAG size of output: 499 [2021-08-31 04:16:50,161 WARN L210 SmtUtils]: Spent 23.14s on a formula simplification that was a NOOP. DAG size: 446 [2021-08-31 04:16:50,282 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 04:16:50,283 INFO L158 Benchmark]: Toolchain (without parser) took 108906.71ms. Allocated memory was 58.7MB in the beginning and 142.6MB in the end (delta: 83.9MB). Free memory was 36.0MB in the beginning and 60.1MB in the end (delta: -24.1MB). Peak memory consumption was 97.5MB. Max. memory is 16.1GB. [2021-08-31 04:16:50,283 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:16:50,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.40ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 31.2MB in the end (delta: 4.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-08-31 04:16:50,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.88ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 31.2MB in the beginning and 48.7MB in the end (delta: -17.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-08-31 04:16:50,285 INFO L158 Benchmark]: Boogie Preprocessor took 93.68ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 41.5MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-31 04:16:50,286 INFO L158 Benchmark]: RCFGBuilder took 653.56ms. Allocated memory is still 73.4MB. Free memory was 41.5MB in the beginning and 32.5MB in the end (delta: 9.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-08-31 04:16:50,286 INFO L158 Benchmark]: BuchiAutomizer took 107455.17ms. Allocated memory was 73.4MB in the beginning and 142.6MB in the end (delta: 69.2MB). Free memory was 32.5MB in the beginning and 60.1MB in the end (delta: -27.6MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB. [2021-08-31 04:16:50,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.40ms. Allocated memory is still 58.7MB. Free memory was 35.5MB in the beginning and 31.2MB in the end (delta: 4.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.88ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 31.2MB in the beginning and 48.7MB in the end (delta: -17.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.68ms. Allocated memory is still 73.4MB. Free memory was 48.7MB in the beginning and 41.5MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 653.56ms. Allocated memory is still 73.4MB. Free memory was 41.5MB in the beginning and 32.5MB in the end (delta: 9.1MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 107455.17ms. Allocated memory was 73.4MB in the beginning and 142.6MB in the end (delta: 69.2MB). Free memory was 32.5MB in the beginning and 60.1MB in the end (delta: -27.6MB). Peak memory consumption was 78.7MB. 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 7 locations. The remainder module has 1026 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 04:16:50,342 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...