./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-nla/knuth-both-nt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 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/termination-nla/knuth-both-nt.i -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 8b0cab056ac9a5b1bf050bc49b5cc76b353101df4fea2bc2da41a8a0f05d7ccf --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 21:59:47,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 21:59:47,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 21:59:47,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 21:59:47,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 21:59:47,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 21:59:47,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 21:59:47,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 21:59:47,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 21:59:47,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 21:59:47,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 21:59:47,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 21:59:47,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 21:59:47,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 21:59:47,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 21:59:47,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 21:59:47,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 21:59:47,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 21:59:47,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 21:59:47,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 21:59:47,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 21:59:47,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 21:59:47,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 21:59:47,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 21:59:47,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 21:59:47,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 21:59:47,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 21:59:47,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 21:59:47,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 21:59:47,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 21:59:47,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 21:59:47,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 21:59:47,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 21:59:47,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 21:59:47,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 21:59:47,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 21:59:47,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 21:59:47,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 21:59:47,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 21:59:47,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 21:59:47,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 21:59:47,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-21 21:59:47,560 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 21:59:47,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 21:59:47,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 21:59:47,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 21:59:47,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 21:59:47,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 21:59:47,562 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 21:59:47,563 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 21:59:47,563 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 21:59:47,563 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 21:59:47,563 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 21:59:47,564 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 21:59:47,564 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 21:59:47,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 21:59:47,564 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 21:59:47,564 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 21:59:47,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 21:59:47,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 21:59:47,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 21:59:47,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 21:59:47,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 21:59:47,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 21:59:47,565 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 21:59:47,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 21:59:47,566 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 21:59:47,566 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 21:59:47,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 21:59:47,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 21:59:47,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 21:59:47,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 21:59:47,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 21:59:47,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 21:59:47,568 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 21:59:47,568 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b0cab056ac9a5b1bf050bc49b5cc76b353101df4fea2bc2da41a8a0f05d7ccf [2021-12-21 21:59:47,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 21:59:47,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 21:59:47,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 21:59:47,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 21:59:47,756 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 21:59:47,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/knuth-both-nt.i [2021-12-21 21:59:47,809 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad77c9183/fa59358cc5b74dfb90cca2a733d7ea3a/FLAG016a6ec1a [2021-12-21 21:59:48,173 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 21:59:48,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/knuth-both-nt.i [2021-12-21 21:59:48,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad77c9183/fa59358cc5b74dfb90cca2a733d7ea3a/FLAG016a6ec1a [2021-12-21 21:59:48,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad77c9183/fa59358cc5b74dfb90cca2a733d7ea3a [2021-12-21 21:59:48,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 21:59:48,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 21:59:48,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 21:59:48,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 21:59:48,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 21:59:48,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:59:48" (1/1) ... [2021-12-21 21:59:48,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2b4af3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:59:48, skipping insertion in model container [2021-12-21 21:59:48,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:59:48" (1/1) ... [2021-12-21 21:59:48,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 21:59:48,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 21:59:48,319 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1792) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1434) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:730) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1456) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:595) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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) [2021-12-21 21:59:48,323 INFO L158 Benchmark]: Toolchain (without parser) took 133.43ms. Allocated memory is still 115.3MB. Free memory was 85.5MB in the beginning and 94.6MB in the end (delta: -9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 21:59:48,324 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 21:59:48,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 131.77ms. Allocated memory is still 115.3MB. Free memory was 85.0MB in the beginning and 94.6MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 21:59:48,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 131.77ms. Allocated memory is still 115.3MB. Free memory was 85.0MB in the beginning and 94.6MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- 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: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt