./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product23.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_spec1_product23.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 6775cf40df2c7fe85c2d16019d10d145a8673615 ............................................................................................................................................................................................................................................................................................................................................ 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 03:42:19,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:42:19,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:42:20,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:42:20,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:42:20,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:42:20,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:42:20,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:42:20,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:42:20,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:42:20,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:42:20,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:42:20,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:42:20,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:42:20,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:42:20,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:42:20,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:42:20,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:42:20,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:42:20,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:42:20,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:42:20,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:42:20,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:42:20,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:42:20,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:42:20,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:42:20,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:42:20,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:42:20,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:42:20,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:42:20,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:42:20,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:42:20,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:42:20,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:42:20,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:42:20,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:42:20,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:42:20,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:42:20,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:42:20,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:42:20,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:42:20,108 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:42:20,123 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:42:20,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:42:20,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:42:20,124 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:42:20,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:42:20,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:42:20,125 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:42:20,125 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:42:20,125 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:42:20,125 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:42:20,125 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:42:20,125 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:42:20,126 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:42:20,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:42:20,126 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:42:20,126 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:42:20,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:42:20,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:42:20,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:42:20,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:42:20,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:42:20,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:42:20,127 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:42:20,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:42:20,127 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:42:20,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:42:20,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:42:20,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:42:20,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:42:20,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:42:20,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:42:20,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:42:20,129 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:42:20,129 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6775cf40df2c7fe85c2d16019d10d145a8673615 [2021-08-31 03:42:20,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:42:20,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:42:20,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:42:20,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:42:20,438 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:42:20,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-08-31 03:42:20,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4aab7143/4e8d6439427e41e182a74b0ddc48cdc7/FLAG6cd124d89 [2021-08-31 03:42:20,863 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:42:20,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product23.cil.c [2021-08-31 03:42:20,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4aab7143/4e8d6439427e41e182a74b0ddc48cdc7/FLAG6cd124d89 [2021-08-31 03:42:20,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4aab7143/4e8d6439427e41e182a74b0ddc48cdc7 [2021-08-31 03:42:20,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:42:20,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:42:20,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:42:20,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:42:20,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:42:20,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:42:20" (1/1) ... [2021-08-31 03:42:20,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d71112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:20, skipping insertion in model container [2021-08-31 03:42:20,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:42:20" (1/1) ... [2021-08-31 03:42:20,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:42:20,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:42:21,105 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_spec1_product23.cil.c[17816,17829] [2021-08-31 03:42:21,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:42:21,112 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:42:21,161 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_spec1_product23.cil.c[17816,17829] [2021-08-31 03:42:21,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:42:21,173 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:42:21,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:21 WrapperNode [2021-08-31 03:42:21,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:42:21,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:42:21,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:42:21,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:42:21,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:21" (1/1) ... [2021-08-31 03:42:21,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:21" (1/1) ... [2021-08-31 03:42:21,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:42:21,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:42:21,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:42:21,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:42:21,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:21" (1/1) ... [2021-08-31 03:42:21,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:21" (1/1) ... [2021-08-31 03:42:21,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:21" (1/1) ... [2021-08-31 03:42:21,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:21" (1/1) ... [2021-08-31 03:42:21,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:21" (1/1) ... [2021-08-31 03:42:21,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:21" (1/1) ... [2021-08-31 03:42:21,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:21" (1/1) ... [2021-08-31 03:42:21,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:42:21,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:42:21,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:42:21,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:42:21,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:21" (1/1) ... [2021-08-31 03:42:21,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:42:21,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:42:21,301 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 03:42:21,302 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 03:42:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:42:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:42:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:42:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:42:21,723 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:42:21,724 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-08-31 03:42:21,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:42:21 BoogieIcfgContainer [2021-08-31 03:42:21,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:42:21,727 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:42:21,727 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:42:21,730 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:42:21,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:42:21,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:42:20" (1/3) ... [2021-08-31 03:42:21,732 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c0ee7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:42:21, skipping insertion in model container [2021-08-31 03:42:21,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:42:21,732 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:21" (2/3) ... [2021-08-31 03:42:21,732 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c0ee7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:42:21, skipping insertion in model container [2021-08-31 03:42:21,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:42:21,733 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:42:21" (3/3) ... [2021-08-31 03:42:21,733 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2021-08-31 03:42:21,775 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:42:21,775 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:42:21,775 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:42:21,775 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:42:21,775 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:42:21,775 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:42:21,775 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:42:21,775 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:42:21,792 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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 03:42:21,815 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-08-31 03:42:21,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:42:21,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:42:21,825 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:42:21,825 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:42:21,825 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:42:21,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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 03:42:21,839 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-08-31 03:42:21,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:42:21,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:42:21,840 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:42:21,840 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:42:21,850 INFO L791 eck$LassoCheckResult]: Stem: 100#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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 33#L-1true havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 86#L824true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 5#L832true main_#t~ret79 := valid_product_#res;main_~tmp~8 := main_#t~ret79;havoc main_#t~ret79; 72#L919true assume 0 != main_~tmp~8; 11#L896true havoc test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L781-1true [2021-08-31 03:42:21,851 INFO L793 eck$LassoCheckResult]: Loop: 13#L781-1true assume !false; 9#L518true assume test_~splverifierCounter~0 < 4; 73#L519true test_~tmp~3 := test_#t~nondet52;havoc test_#t~nondet52; 80#L527true assume !(0 != test_~tmp~3); 90#L527-1true test_~tmp___0~0 := test_#t~nondet53;havoc test_#t~nondet53; 69#L537true assume !(0 != test_~tmp___0~0); 78#L537-1true test_~tmp___2~0 := test_#t~nondet54;havoc test_#t~nondet54; 28#L547true assume 0 != test_~tmp___2~0; 79#L553-1true assume !(0 != ~pumpRunning~0); 88#L586true assume !(0 != ~systemActive~0); 60#L593true havoc __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_#t~ret77, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 104#L458-1true __utac_acc__Specification1_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret76;havoc __utac_acc__Specification1_spec__1_#t~ret76; 83#L781true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 13#L781-1true [2021-08-31 03:42:21,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:42:21,856 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 03:42:21,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:42:21,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730845570] [2021-08-31 03:42:21,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:42:21,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:42:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:22,036 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:42:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:22,159 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:42:22,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:42:22,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2021-08-31 03:42:22,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:42:22,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044679410] [2021-08-31 03:42:22,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:42:22,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:42:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:22,174 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:42:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:22,188 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:42:22,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:42:22,190 INFO L82 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2021-08-31 03:42:22,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:42:22,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224940226] [2021-08-31 03:42:22,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:42:22,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:42:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:42:22,300 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 03:42:22,301 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:42:22,301 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224940226] [2021-08-31 03:42:22,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224940226] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:42:22,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:42:22,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:42:22,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079103113] [2021-08-31 03:42:22,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:42:22,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 03:42:22,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 03:42:22,409 INFO L87 Difference]: Start difference. First operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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 03:42:23,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:42:23,027 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2021-08-31 03:42:23,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 03:42:23,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2021-08-31 03:42:23,035 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2021-08-31 03:42:23,038 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2021-08-31 03:42:23,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2021-08-31 03:42:23,039 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2021-08-31 03:42:23,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2021-08-31 03:42:23,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:42:23,041 INFO L681 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2021-08-31 03:42:23,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2021-08-31 03:42:23,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2021-08-31 03:42:23,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.434782608695652) internal successors, (198), 137 states have internal predecessors, (198), 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 03:42:23,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2021-08-31 03:42:23,067 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2021-08-31 03:42:23,067 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2021-08-31 03:42:23,067 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:42:23,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2021-08-31 03:42:23,068 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2021-08-31 03:42:23,068 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:42:23,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:42:23,069 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:42:23,069 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:42:23,069 INFO L791 eck$LassoCheckResult]: Stem: 471#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~string43.base, #t~string43.offset := #Ultimate.allocOnStack(13);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string45.base, #t~string45.offset, 1);call write~init~int(77, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(101, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(116, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(104, #t~string45.base, 4 + #t~string45.offset, 1);call write~init~int(58, #t~string45.base, 5 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 6 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string47.base, #t~string47.offset, 1);call write~init~int(82, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(73, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(84, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 4 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(75, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string51.base, #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 1 + #t~string51.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 423#L-1 havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 424#L824 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 376#L832 main_#t~ret79 := valid_product_#res;main_~tmp~8 := main_#t~ret79;havoc main_#t~ret79; 377#L919 assume 0 != main_~tmp~8; 389#L896 havoc test_#t~nondet52, test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 390#L781-1 [2021-08-31 03:42:23,070 INFO L793 eck$LassoCheckResult]: Loop: 390#L781-1 assume !false; 385#L518 assume test_~splverifierCounter~0 < 4; 386#L519 test_~tmp~3 := test_#t~nondet52;havoc test_#t~nondet52; 462#L527 assume !(0 != test_~tmp~3); 449#L527-1 test_~tmp___0~0 := test_#t~nondet53;havoc test_#t~nondet53; 460#L537 assume !(0 != test_~tmp___0~0); 420#L537-1 test_~tmp___2~0 := test_#t~nondet54;havoc test_#t~nondet54; 414#L547 assume 0 != test_~tmp___2~0; 415#L553-1 assume !(0 != ~pumpRunning~0); 405#L586 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret57, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 467#L644 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret56, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 450#L618-1 assume !(0 != ~pumpRunning~0); 418#L593 havoc __utac_acc__Specification1_spec__1_#t~ret76, __utac_acc__Specification1_spec__1_#t~ret77, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 457#L458-1 __utac_acc__Specification1_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret76;havoc __utac_acc__Specification1_spec__1_#t~ret76; 463#L781 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 390#L781-1 [2021-08-31 03:42:23,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:42:23,070 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 03:42:23,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:42:23,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855209032] [2021-08-31 03:42:23,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:42:23,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:42:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:23,101 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:42:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:23,148 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:42:23,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:42:23,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2021-08-31 03:42:23,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:42:23,151 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123549181] [2021-08-31 03:42:23,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:42:23,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:42:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:23,157 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:42:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:23,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:42:23,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:42:23,165 INFO L82 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2021-08-31 03:42:23,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:42:23,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488097509] [2021-08-31 03:42:23,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:42:23,166 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:42:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:23,200 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:42:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:23,239 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:43:03,887 WARN L210 SmtUtils]: Spent 40.58s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 03:43:46,503 WARN L210 SmtUtils]: Spent 20.89s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 03:43:46,593 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 03:43:46,595 INFO L158 Benchmark]: Toolchain (without parser) took 85707.70ms. Allocated memory was 65.0MB in the beginning and 100.7MB in the end (delta: 35.7MB). Free memory was 44.9MB in the beginning and 49.3MB in the end (delta: -4.4MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2021-08-31 03:43:46,596 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 65.0MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:43:46,596 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.45ms. Allocated memory is still 65.0MB. Free memory was 44.6MB in the beginning and 41.8MB in the end (delta: 2.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-31 03:43:46,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.15ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 38.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 03:43:46,597 INFO L158 Benchmark]: Boogie Preprocessor took 40.47ms. Allocated memory is still 65.0MB. Free memory was 38.3MB in the beginning and 36.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:43:46,597 INFO L158 Benchmark]: RCFGBuilder took 452.67ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 35.8MB in the beginning and 59.2MB in the end (delta: -23.4MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-08-31 03:43:46,598 INFO L158 Benchmark]: BuchiAutomizer took 84867.79ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 59.2MB in the beginning and 49.3MB in the end (delta: 9.9MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2021-08-31 03:43:46,600 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 65.0MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.45ms. Allocated memory is still 65.0MB. Free memory was 44.6MB in the beginning and 41.8MB in the end (delta: 2.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.15ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 38.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.47ms. Allocated memory is still 65.0MB. Free memory was 38.3MB in the beginning and 36.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.67ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 35.8MB in the beginning and 59.2MB in the end (delta: -23.4MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 84867.79ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 59.2MB in the beginning and 49.3MB in the end (delta: 9.9MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 138 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 03:43:46,639 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...