./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product02.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_product02.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 d2de004535e86b502472828c57e9d5f0f0fdfb12 ............................................................................................................................................................................................................................................................................................................................................. 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 04:08:27,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:08:27,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:08:27,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:08:27,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:08:27,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:08:27,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:08:27,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:08:27,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:08:27,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:08:27,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:08:27,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:08:27,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:08:27,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:08:27,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:08:27,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:08:27,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:08:27,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:08:27,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:08:27,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:08:27,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:08:27,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:08:27,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:08:27,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:08:27,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:08:27,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:08:27,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:08:27,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:08:27,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:08:27,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:08:27,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:08:27,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:08:27,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:08:27,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:08:27,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:08:27,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:08:27,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:08:27,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:08:27,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:08:27,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:08:27,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:08:27,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:08:27,873 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:08:27,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:08:27,874 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:08:27,875 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:08:27,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:08:27,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:08:27,876 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:08:27,876 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:08:27,876 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:08:27,877 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:08:27,877 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:08:27,877 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:08:27,877 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:08:27,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:08:27,878 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:08:27,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:08:27,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:08:27,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:08:27,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:08:27,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:08:27,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:08:27,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:08:27,879 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:08:27,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:08:27,879 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:08:27,879 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:08:27,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:08:27,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:08:27,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:08:27,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:08:27,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:08:27,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:08:27,881 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:08:27,881 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2de004535e86b502472828c57e9d5f0f0fdfb12 [2021-08-31 04:08:28,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:08:28,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:08:28,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:08:28,144 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:08:28,144 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:08:28,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2021-08-31 04:08:28,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0edff5bc/9a05c510cad1436faa1b710820e094f6/FLAG93d4d8a96 [2021-08-31 04:08:28,543 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:08:28,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product02.cil.c [2021-08-31 04:08:28,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0edff5bc/9a05c510cad1436faa1b710820e094f6/FLAG93d4d8a96 [2021-08-31 04:08:28,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0edff5bc/9a05c510cad1436faa1b710820e094f6 [2021-08-31 04:08:28,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:08:28,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:08:28,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:08:28,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:08:28,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:08:28,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:08:28" (1/1) ... [2021-08-31 04:08:28,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca4fc36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:28, skipping insertion in model container [2021-08-31 04:08:28,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:08:28" (1/1) ... [2021-08-31 04:08:28,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:08:29,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:08:29,191 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_product02.cil.c[14645,14658] [2021-08-31 04:08:29,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:08:29,203 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:08:29,278 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_product02.cil.c[14645,14658] [2021-08-31 04:08:29,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:08:29,301 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:08:29,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:29 WrapperNode [2021-08-31 04:08:29,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:08:29,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:08:29,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:08:29,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:08:29,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:29" (1/1) ... [2021-08-31 04:08:29,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:29" (1/1) ... [2021-08-31 04:08:29,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:08:29,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:08:29,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:08:29,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:08:29,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:29" (1/1) ... [2021-08-31 04:08:29,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:29" (1/1) ... [2021-08-31 04:08:29,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:29" (1/1) ... [2021-08-31 04:08:29,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:29" (1/1) ... [2021-08-31 04:08:29,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:29" (1/1) ... [2021-08-31 04:08:29,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:29" (1/1) ... [2021-08-31 04:08:29,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:29" (1/1) ... [2021-08-31 04:08:29,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:08:29,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:08:29,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:08:29,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:08:29,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:29" (1/1) ... [2021-08-31 04:08:29,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:08:29,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:08:29,450 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 04:08:29,483 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 04:08:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:08:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:08:29,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:08:29,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:08:29,838 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:08:29,838 INFO L299 CfgBuilder]: Removed 82 assume(true) statements. [2021-08-31 04:08:29,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:08:29 BoogieIcfgContainer [2021-08-31 04:08:29,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:08:29,842 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:08:29,842 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:08:29,844 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:08:29,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:08:29,845 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:08:28" (1/3) ... [2021-08-31 04:08:29,846 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53ccd406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:08:29, skipping insertion in model container [2021-08-31 04:08:29,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:08:29,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:29" (2/3) ... [2021-08-31 04:08:29,846 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53ccd406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:08:29, skipping insertion in model container [2021-08-31 04:08:29,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:08:29,846 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:08:29" (3/3) ... [2021-08-31 04:08:29,847 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2021-08-31 04:08:29,881 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:08:29,882 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:08:29,882 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:08:29,882 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:08:29,882 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:08:29,882 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:08:29,882 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:08:29,882 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:08:29,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 04:08:29,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-08-31 04:08:29,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:08:29,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:08:29,908 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:08:29,909 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:08:29,909 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:08:29,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 04:08:29,912 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-08-31 04:08:29,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:08:29,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:08:29,912 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:08:29,913 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:08:29,917 INFO L791 eck$LassoCheckResult]: Stem: 54#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~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);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(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 44#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 35#L771true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 8#L779true main_#t~ret77 := valid_product_#res;main_~tmp~5 := main_#t~ret77;havoc main_#t~ret77; 45#L867true assume 0 != main_~tmp~5; 6#L843true ~switchedOnBeforeTS~0 := 0; 12#L703true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, 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; 55#L724-1true [2021-08-31 04:08:29,917 INFO L793 eck$LassoCheckResult]: Loop: 55#L724-1true assume !false; 32#L632true assume test_~splverifierCounter~0 < 4; 61#L633true test_~tmp~3 := test_#t~nondet69;havoc test_#t~nondet69; 46#L641true assume !(0 != test_~tmp~3); 15#L641-1true test_~tmp___0~0 := test_#t~nondet70;havoc test_#t~nondet70; 52#L651true assume !(0 != test_~tmp___0~0); 4#L651-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 47#L661true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 53#L669-2true havoc __utac_acc__Specification5_spec__2_#t~ret73;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 56#L571true __utac_acc__Specification5_spec__2_#t~ret73 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret73;havoc __utac_acc__Specification5_spec__2_#t~ret73; 36#L713true assume !(0 != ~pumpRunning~0); 17#L512true assume 0 != ~systemActive~0; 18#L519true havoc __utac_acc__Specification5_spec__3_#t~ret74, __utac_acc__Specification5_spec__3_#t~ret75, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 51#L489true __utac_acc__Specification5_spec__3_#t~ret74 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret74;havoc __utac_acc__Specification5_spec__3_#t~ret74; 25#L724true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 55#L724-1true [2021-08-31 04:08:29,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:29,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-31 04:08:29,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:29,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294250722] [2021-08-31 04:08:29,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:29,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:30,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:30,051 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:08:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:30,166 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:08:30,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:30,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1010394288, now seen corresponding path program 1 times [2021-08-31 04:08:30,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:30,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204861469] [2021-08-31 04:08:30,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:30,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:30,184 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:08:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:30,199 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:08:30,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:30,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1350547798, now seen corresponding path program 1 times [2021-08-31 04:08:30,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:30,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737701174] [2021-08-31 04:08:30,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:30,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:08:30,321 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 04:08:30,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:08:30,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737701174] [2021-08-31 04:08:30,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737701174] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:08:30,322 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:08:30,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:08:30,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247428744] [2021-08-31 04:08:30,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:08:30,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:08:30,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:08:30,542 INFO L87 Difference]: Start difference. First operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 04:08:31,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:08:31,027 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2021-08-31 04:08:31,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:08:31,031 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2021-08-31 04:08:31,047 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-08-31 04:08:31,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2021-08-31 04:08:31,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2021-08-31 04:08:31,056 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2021-08-31 04:08:31,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2021-08-31 04:08:31,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:08:31,058 INFO L681 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2021-08-31 04:08:31,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2021-08-31 04:08:31,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2021-08-31 04:08:31,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 104 states have internal predecessors, (142), 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 04:08:31,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2021-08-31 04:08:31,090 INFO L704 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-08-31 04:08:31,090 INFO L587 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-08-31 04:08:31,090 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:08:31,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2021-08-31 04:08:31,091 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-08-31 04:08:31,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:08:31,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:08:31,092 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:08:31,092 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:08:31,092 INFO L791 eck$LassoCheckResult]: Stem: 312#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~string54.base, #t~string54.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(80, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(117, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(109, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(112, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);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(3);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(32, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 303#L-1 havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~5;havoc main_~retValue_acc~9;havoc main_~tmp~5; 293#L771 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 250#L779 main_#t~ret77 := valid_product_#res;main_~tmp~5 := main_#t~ret77;havoc main_#t~ret77; 251#L867 assume 0 != main_~tmp~5; 246#L843 ~switchedOnBeforeTS~0 := 0; 247#L703 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, 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; 257#L724-1 [2021-08-31 04:08:31,092 INFO L793 eck$LassoCheckResult]: Loop: 257#L724-1 assume !false; 286#L632 assume test_~splverifierCounter~0 < 4; 287#L633 test_~tmp~3 := test_#t~nondet69;havoc test_#t~nondet69; 304#L641 assume !(0 != test_~tmp~3); 263#L641-1 test_~tmp___0~0 := test_#t~nondet70;havoc test_#t~nondet70; 264#L651 assume !(0 != test_~tmp___0~0); 292#L651-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 344#L661 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 342#L669-2 havoc __utac_acc__Specification5_spec__2_#t~ret73;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 341#L571 __utac_acc__Specification5_spec__2_#t~ret73 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret73;havoc __utac_acc__Specification5_spec__2_#t~ret73; 340#L713 assume !(0 != ~pumpRunning~0); 339#L512 assume 0 != ~systemActive~0; 270#L519 havoc __utac_acc__Specification5_spec__3_#t~ret74, __utac_acc__Specification5_spec__3_#t~ret75, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~1;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 271#L489 __utac_acc__Specification5_spec__3_#t~ret74 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret74;havoc __utac_acc__Specification5_spec__3_#t~ret74; 281#L724 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~6;havoc isPumpRunning_~retValue_acc~6;isPumpRunning_~retValue_acc~6 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~6; 282#L571-1 __utac_acc__Specification5_spec__3_#t~ret75 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~1 := __utac_acc__Specification5_spec__3_#t~ret75;havoc __utac_acc__Specification5_spec__3_#t~ret75; 320#L728 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1); 257#L724-1 [2021-08-31 04:08:31,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:31,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-08-31 04:08:31,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:31,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129106585] [2021-08-31 04:08:31,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:31,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:31,124 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:08:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:31,187 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:08:31,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:31,189 INFO L82 PathProgramCache]: Analyzing trace with hash 326286923, now seen corresponding path program 1 times [2021-08-31 04:08:31,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:31,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910593081] [2021-08-31 04:08:31,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:31,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:31,197 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:08:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:31,205 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:08:31,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:31,209 INFO L82 PathProgramCache]: Analyzing trace with hash -796325435, now seen corresponding path program 1 times [2021-08-31 04:08:31,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:31,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623061571] [2021-08-31 04:08:31,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:31,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:31,239 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:08:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:31,297 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:09:08,478 WARN L210 SmtUtils]: Spent 37.05s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-31 04:09:49,179 WARN L210 SmtUtils]: Spent 19.36s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-31 04:09:49,259 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 04:09:49,264 INFO L158 Benchmark]: Toolchain (without parser) took 80290.41ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 37.1MB in the beginning and 66.2MB in the end (delta: -29.0MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2021-08-31 04:09:49,265 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 58.7MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:09:49,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.75ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 37.0MB in the beginning and 54.4MB in the end (delta: -17.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-08-31 04:09:49,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.06ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 51.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:09:49,266 INFO L158 Benchmark]: Boogie Preprocessor took 46.93ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 49.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:09:49,269 INFO L158 Benchmark]: RCFGBuilder took 422.82ms. Allocated memory is still 75.5MB. Free memory was 49.6MB in the beginning and 53.8MB in the end (delta: -4.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-08-31 04:09:49,269 INFO L158 Benchmark]: BuchiAutomizer took 79422.00ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 53.5MB in the beginning and 66.2MB in the end (delta: -12.6MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2021-08-31 04:09:49,271 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 58.7MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.75ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 37.0MB in the beginning and 54.4MB in the end (delta: -17.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.06ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 51.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.93ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 49.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.82ms. Allocated memory is still 75.5MB. Free memory was 49.6MB in the beginning and 53.8MB in the end (delta: -4.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 79422.00ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 53.5MB in the beginning and 66.2MB in the end (delta: -12.6MB). Peak memory consumption was 54.7MB. 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 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 5 locations. The remainder module has 105 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 04:09:49,304 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...