./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product24.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_spec2_product24.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 e5bb50ae68610f68f43b93d5545ed6b596dfa5e8 ................................................................................................................................................................................................................................................................................................................................... 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 03:50:02,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:50:02,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:50:02,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:50:02,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:50:02,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:50:02,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:50:02,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:50:02,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:50:02,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:50:02,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:50:02,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:50:02,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:50:02,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:50:02,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:50:02,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:50:02,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:50:02,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:50:02,481 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:50:02,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:50:02,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:50:02,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:50:02,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:50:02,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:50:02,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:50:02,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:50:02,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:50:02,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:50:02,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:50:02,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:50:02,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:50:02,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:50:02,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:50:02,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:50:02,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:50:02,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:50:02,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:50:02,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:50:02,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:50:02,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:50:02,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:50:02,512 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:50:02,539 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:50:02,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:50:02,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:50:02,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:50:02,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:50:02,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:50:02,542 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:50:02,542 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:50:02,543 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:50:02,543 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:50:02,544 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:50:02,544 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:50:02,544 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:50:02,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:50:02,544 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:50:02,545 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:50:02,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:50:02,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:50:02,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:50:02,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:50:02,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:50:02,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:50:02,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:50:02,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:50:02,546 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:50:02,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:50:02,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:50:02,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:50:02,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:50:02,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:50:02,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:50:02,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:50:02,549 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:50:02,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5bb50ae68610f68f43b93d5545ed6b596dfa5e8 [2021-08-31 03:50:02,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:50:02,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:50:02,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:50:02,833 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:50:02,834 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:50:02,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2021-08-31 03:50:02,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1210dcf/511e54d77da04c0ea12fc6267f3926d4/FLAG90eee9392 [2021-08-31 03:50:03,235 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:50:03,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product24.cil.c [2021-08-31 03:50:03,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1210dcf/511e54d77da04c0ea12fc6267f3926d4/FLAG90eee9392 [2021-08-31 03:50:03,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc1210dcf/511e54d77da04c0ea12fc6267f3926d4 [2021-08-31 03:50:03,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:50:03,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:50:03,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:50:03,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:50:03,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:50:03,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:50:03" (1/1) ... [2021-08-31 03:50:03,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514c79da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03, skipping insertion in model container [2021-08-31 03:50:03,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:50:03" (1/1) ... [2021-08-31 03:50:03,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:50:03,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:50:03,856 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_spec2_product24.cil.c[17127,17140] [2021-08-31 03:50:03,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:50:03,887 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:50:03,964 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_spec2_product24.cil.c[17127,17140] [2021-08-31 03:50:03,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:50:03,982 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:50:03,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03 WrapperNode [2021-08-31 03:50:03,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:50:03,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:50:03,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:50:03,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:50:03,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03" (1/1) ... [2021-08-31 03:50:04,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03" (1/1) ... [2021-08-31 03:50:04,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:50:04,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:50:04,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:50:04,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:50:04,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03" (1/1) ... [2021-08-31 03:50:04,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03" (1/1) ... [2021-08-31 03:50:04,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03" (1/1) ... [2021-08-31 03:50:04,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03" (1/1) ... [2021-08-31 03:50:04,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03" (1/1) ... [2021-08-31 03:50:04,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03" (1/1) ... [2021-08-31 03:50:04,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03" (1/1) ... [2021-08-31 03:50:04,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:50:04,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:50:04,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:50:04,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:50:04,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03" (1/1) ... [2021-08-31 03:50:04,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:50:04,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:50:04,122 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 03:50:04,160 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 03:50:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:50:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:50:04,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:50:04,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:50:04,549 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:50:04,550 INFO L299 CfgBuilder]: Removed 164 assume(true) statements. [2021-08-31 03:50:04,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:50:04 BoogieIcfgContainer [2021-08-31 03:50:04,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:50:04,554 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:50:04,554 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:50:04,557 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:50:04,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:50:04,559 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:50:03" (1/3) ... [2021-08-31 03:50:04,559 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d03eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:50:04, skipping insertion in model container [2021-08-31 03:50:04,560 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:50:04,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:50:03" (2/3) ... [2021-08-31 03:50:04,560 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d03eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:50:04, skipping insertion in model container [2021-08-31 03:50:04,560 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:50:04,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:50:04" (3/3) ... [2021-08-31 03:50:04,561 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2021-08-31 03:50:04,598 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:50:04,598 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:50:04,598 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:50:04,598 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:50:04,599 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:50:04,599 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:50:04,599 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:50:04,599 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:50:04,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.5233644859813085) internal successors, (163), 107 states have internal predecessors, (163), 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 03:50:04,640 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-08-31 03:50:04,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:50:04,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:50:04,646 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:50:04,646 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:50:04,646 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:50:04,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 108 states, 107 states have (on average 1.5233644859813085) internal successors, (163), 107 states have internal predecessors, (163), 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 03:50:04,659 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-08-31 03:50:04,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:50:04,659 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:50:04,660 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:50:04,660 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:50:04,665 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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string73.base, #t~string73.offset, 1);call write~init~int(77, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(101, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(116, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(104, #t~string73.base, 4 + #t~string73.offset, 1);call write~init~int(58, #t~string73.base, 5 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 6 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string75.base, #t~string75.offset, 1);call write~init~int(82, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(73, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(84, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 4 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string77.base, #t~string77.offset, 1);call write~init~int(75, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 35#L-1true havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 84#L718true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 82#L726true main_#t~ret67 := valid_product_#res;main_~tmp~7 := main_#t~ret67;havoc main_#t~ret67; 64#L815true assume 0 != main_~tmp~7; 61#L790true ~methAndRunningLastTime~0 := 0; 12#L836true havoc test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 33#L847-1true [2021-08-31 03:50:04,668 INFO L793 eck$LassoCheckResult]: Loop: 33#L847-1true assume !false; 53#L269true assume test_~splverifierCounter~0 < 4; 8#L270true test_~tmp~3 := test_#t~nondet27;havoc test_#t~nondet27; 110#L278true assume !(0 != test_~tmp~3); 88#L278-1true test_~tmp___0~1 := test_#t~nondet28;havoc test_#t~nondet28; 24#L288true assume !(0 != test_~tmp___0~1); 57#L288-1true test_~tmp___2~0 := test_#t~nondet29;havoc test_#t~nondet29; 28#L298true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 99#L306-1true assume !(0 != ~pumpRunning~0); 62#L61true assume !(0 != ~systemActive~0); 105#L68true havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 70#L922-1true __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 92#L847true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 33#L847-1true [2021-08-31 03:50:04,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:50:04,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-31 03:50:04,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:50:04,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720126387] [2021-08-31 03:50:04,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:50:04,678 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:50:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:50:04,871 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:50:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:50:04,973 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:50:04,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:50:04,977 INFO L82 PathProgramCache]: Analyzing trace with hash 13527572, now seen corresponding path program 1 times [2021-08-31 03:50:04,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:50:04,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141655620] [2021-08-31 03:50:04,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:50:04,978 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:50:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:50:05,052 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 03:50:05,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:50:05,053 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141655620] [2021-08-31 03:50:05,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141655620] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:50:05,054 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:50:05,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:50:05,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614045814] [2021-08-31 03:50:05,057 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:50:05,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:50:05,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:50:05,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:50:05,092 INFO L87 Difference]: Start difference. First operand has 108 states, 107 states have (on average 1.5233644859813085) internal successors, (163), 107 states have internal predecessors, (163), 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 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 03:50:05,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:50:05,526 INFO L93 Difference]: Finished difference Result 209 states and 301 transitions. [2021-08-31 03:50:05,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:50:05,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 301 transitions. [2021-08-31 03:50:05,539 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 134 [2021-08-31 03:50:05,546 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 195 states and 286 transitions. [2021-08-31 03:50:05,547 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 195 [2021-08-31 03:50:05,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 195 [2021-08-31 03:50:05,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 195 states and 286 transitions. [2021-08-31 03:50:05,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:50:05,551 INFO L681 BuchiCegarLoop]: Abstraction has 195 states and 286 transitions. [2021-08-31 03:50:05,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states and 286 transitions. [2021-08-31 03:50:05,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 193. [2021-08-31 03:50:05,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 193 states have (on average 1.4663212435233162) internal successors, (283), 192 states have internal predecessors, (283), 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 03:50:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 283 transitions. [2021-08-31 03:50:05,589 INFO L704 BuchiCegarLoop]: Abstraction has 193 states and 283 transitions. [2021-08-31 03:50:05,589 INFO L587 BuchiCegarLoop]: Abstraction has 193 states and 283 transitions. [2021-08-31 03:50:05,590 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:50:05,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states and 283 transitions. [2021-08-31 03:50:05,592 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 132 [2021-08-31 03:50:05,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:50:05,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:50:05,593 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:50:05,593 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:50:05,593 INFO L791 eck$LassoCheckResult]: Stem: 438#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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(13);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string73.base, #t~string73.offset, 1);call write~init~int(77, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(101, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(116, #t~string73.base, 3 + #t~string73.offset, 1);call write~init~int(104, #t~string73.base, 4 + #t~string73.offset, 1);call write~init~int(58, #t~string73.base, 5 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 6 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string75.base, #t~string75.offset, 1);call write~init~int(82, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(73, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(84, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 4 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string77.base, #t~string77.offset, 1);call write~init~int(75, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 384#L-1 havoc main_#res;havoc main_#t~ret67, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 385#L718 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 425#L726 main_#t~ret67 := valid_product_#res;main_~tmp~7 := main_#t~ret67;havoc main_#t~ret67; 412#L815 assume 0 != main_~tmp~7; 410#L790 ~methAndRunningLastTime~0 := 0; 343#L836 havoc test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 344#L847-1 [2021-08-31 03:50:05,594 INFO L793 eck$LassoCheckResult]: Loop: 344#L847-1 assume !false; 446#L269 assume test_~splverifierCounter~0 < 4; 334#L270 test_~tmp~3 := test_#t~nondet27;havoc test_#t~nondet27; 335#L278 assume !(0 != test_~tmp~3); 329#L278-1 test_~tmp___0~1 := test_#t~nondet28;havoc test_#t~nondet28; 364#L288 assume !(0 != test_~tmp___0~1); 366#L288-1 test_~tmp___2~0 := test_#t~nondet29;havoc test_#t~nondet29; 371#L298 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 373#L306-1 assume !(0 != ~pumpRunning~0); 399#L61 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 411#L119 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret7, processEnvironment__wrappee__lowWaterSensor_~tmp~0;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0; 436#L93-1 assume !(0 != ~pumpRunning~0); 356#L68 havoc __utac_acc__Specification2_spec__2_#t~ret68, __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 416#L922-1 __utac_acc__Specification2_spec__2_#t~ret68 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret68;havoc __utac_acc__Specification2_spec__2_#t~ret68; 417#L847 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 344#L847-1 [2021-08-31 03:50:05,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:50:05,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-08-31 03:50:05,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:50:05,596 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320740168] [2021-08-31 03:50:05,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:50:05,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:50:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:50:05,659 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:50:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:50:05,709 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:50:05,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:50:05,710 INFO L82 PathProgramCache]: Analyzing trace with hash -2034283738, now seen corresponding path program 1 times [2021-08-31 03:50:05,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:50:05,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607564868] [2021-08-31 03:50:05,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:50:05,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:50:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:50:05,717 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:50:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:50:05,727 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:50:05,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:50:05,730 INFO L82 PathProgramCache]: Analyzing trace with hash -100258528, now seen corresponding path program 1 times [2021-08-31 03:50:05,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:50:05,730 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907487482] [2021-08-31 03:50:05,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:50:05,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:50:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:50:05,767 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:50:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:50:05,816 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:50:46,121 WARN L210 SmtUtils]: Spent 40.18s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-31 03:51:26,650 WARN L210 SmtUtils]: Spent 19.77s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-31 03:51:26,720 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 03:51:26,724 INFO L158 Benchmark]: Toolchain (without parser) took 83105.48ms. Allocated memory was 52.4MB in the beginning and 81.8MB in the end (delta: 29.4MB). Free memory was 29.0MB in the beginning and 36.7MB in the end (delta: -7.7MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2021-08-31 03:51:26,724 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:51:26,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.00ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.8MB in the beginning and 44.7MB in the end (delta: -15.9MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-08-31 03:51:26,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.64ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 41.1MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:51:26,729 INFO L158 Benchmark]: Boogie Preprocessor took 54.02ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 38.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:51:26,729 INFO L158 Benchmark]: RCFGBuilder took 456.67ms. Allocated memory is still 67.1MB. Free memory was 38.7MB in the beginning and 39.8MB in the end (delta: -1.2MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2021-08-31 03:51:26,730 INFO L158 Benchmark]: BuchiAutomizer took 82168.21ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.7MB in the beginning and 36.7MB in the end (delta: 3.0MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2021-08-31 03:51:26,733 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 52.4MB. Free memory was 33.7MB in the beginning and 33.7MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.00ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.8MB in the beginning and 44.7MB in the end (delta: -15.9MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.64ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 41.1MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.02ms. Allocated memory is still 67.1MB. Free memory was 41.1MB in the beginning and 38.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.67ms. Allocated memory is still 67.1MB. Free memory was 38.7MB in the beginning and 39.8MB in the end (delta: -1.2MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 82168.21ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 39.7MB in the beginning and 36.7MB in the end (delta: 3.0MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 193 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 03:51:26,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...