/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/knuth_valuebound50.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-27 19:16:26,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 19:16:26,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 19:16:26,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-27 19:16:26,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 19:16:26,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 19:16:26,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 19:16:26,473 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 19:16:26,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 19:16:26,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 19:16:26,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 19:16:26,481 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 19:16:26,484 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 19:16:26,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 19:16:26,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 19:16:26,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 19:16:26,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 19:16:26,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-27 19:16:26,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 19:16:26,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 19:16:26,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 19:16:26,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-27 19:16:26,518 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 19:16:26,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 19:16:26,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 19:16:26,520 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 19:16:26,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 19:16:26,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 19:16:26,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 19:16:26,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 19:16:26,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 19:16:26,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 19:16:26,522 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 19:16:26,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 19:16:26,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 19:16:26,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 19:16:26,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 19:16:26,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 19:16:26,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-27 19:16:26,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 19:16:26,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 19:16:26,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 19:16:26,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 19:16:26,524 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 19:16:26,524 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 19:16:26,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 19:16:26,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 19:16:26,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 19:16:26,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 19:16:26,770 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 19:16:26,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/knuth_valuebound50.i [2022-04-27 19:16:26,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05ee5432/8c2fd360406845669489d2d04128df69/FLAG011ec591f [2022-04-27 19:16:27,238 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 19:16:27,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/knuth_valuebound50.i [2022-04-27 19:16:27,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05ee5432/8c2fd360406845669489d2d04128df69/FLAG011ec591f [2022-04-27 19:16:27,259 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d05ee5432/8c2fd360406845669489d2d04128df69 [2022-04-27 19:16:27,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 19:16:27,262 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 19:16:27,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 19:16:27,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 19:16:27,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 19:16:27,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 07:16:27" (1/1) ... [2022-04-27 19:16:27,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aff3736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 07:16:27, skipping insertion in model container [2022-04-27 19:16:27,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 07:16:27" (1/1) ... [2022-04-27 19:16:27,279 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 19:16:27,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 19:16:27,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/knuth_valuebound50.i[948,961] [2022-04-27 19:16:27,460 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:848) 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:1447) 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:729) 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:1397) 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:1081) 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:1470) 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:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) 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) [2022-04-27 19:16:27,476 INFO L158 Benchmark]: Toolchain (without parser) took 210.59ms. Allocated memory is still 190.8MB. Free memory was 141.6MB in the beginning and 167.5MB in the end (delta: -25.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-27 19:16:27,476 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 190.8MB. Free memory was 157.9MB in the beginning and 157.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 19:16:27,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.18ms. Allocated memory is still 190.8MB. Free memory was 141.4MB in the beginning and 167.5MB in the end (delta: -26.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-04-27 19:16:27,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 190.8MB. Free memory was 157.9MB in the beginning and 157.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 208.18ms. Allocated memory is still 190.8MB. Free memory was 141.4MB in the beginning and 167.5MB in the end (delta: -26.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * 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:848) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...