/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/nla-digbench-scaling/knuth_valuebound2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-e106359-m [2022-04-15 15:52:25,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-15 15:52:25,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-15 15:52:25,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-15 15:52:25,704 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-15 15:52:25,711 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-15 15:52:25,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-15 15:52:25,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-15 15:52:25,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-15 15:52:25,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-15 15:52:25,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-15 15:52:25,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-15 15:52:25,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-15 15:52:25,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-15 15:52:25,714 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-15 15:52:25,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-15 15:52:25,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-15 15:52:25,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-15 15:52:25,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-15 15:52:25,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-15 15:52:25,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-15 15:52:25,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-15 15:52:25,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-15 15:52:25,715 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-15 15:52:25,715 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-15 15:52:25,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-15 15:52:25,715 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-15 15:52:25,715 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-15 15:52:25,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-15 15:52:25,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-15 15:52:25,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-15 15:52:25,963 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-15 15:52:25,964 INFO L275 PluginConnector]: CDTParser initialized [2022-04-15 15:52:25,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/knuth_valuebound2.i [2022-04-15 15:52:26,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/103888c0d/3155b1cfa915448c985058c3c9f2b400/FLAG022230df7 [2022-04-15 15:52:26,345 INFO L306 CDTParser]: Found 1 translation units. [2022-04-15 15:52:26,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/knuth_valuebound2.i [2022-04-15 15:52:26,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/103888c0d/3155b1cfa915448c985058c3c9f2b400/FLAG022230df7 [2022-04-15 15:52:26,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/103888c0d/3155b1cfa915448c985058c3c9f2b400 [2022-04-15 15:52:26,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-15 15:52:26,776 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-15 15:52:26,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-15 15:52:26,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-15 15:52:26,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-15 15:52:26,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 03:52:26" (1/1) ... [2022-04-15 15:52:26,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b33c494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 03:52:26, skipping insertion in model container [2022-04-15 15:52:26,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 03:52:26" (1/1) ... [2022-04-15 15:52:26,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-15 15:52:26,807 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-15 15:52:26,935 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_valuebound2.i[948,961] [2022-04-15 15:52:26,958 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) [2022-04-15 15:52:26,962 INFO L158 Benchmark]: Toolchain (without parser) took 184.80ms. Allocated memory was 187.7MB in the beginning and 263.2MB in the end (delta: 75.5MB). Free memory was 133.1MB in the beginning and 237.6MB in the end (delta: -104.5MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-04-15 15:52:26,964 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 187.7MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-15 15:52:26,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.52ms. Allocated memory was 187.7MB in the beginning and 263.2MB in the end (delta: 75.5MB). Free memory was 132.9MB in the beginning and 237.6MB in the end (delta: -104.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2022-04-15 15:52:26,967 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 0.14ms. Allocated memory is still 187.7MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 181.52ms. Allocated memory was 187.7MB in the beginning and 263.2MB in the end (delta: 75.5MB). Free memory was 132.9MB in the beginning and 237.6MB in the end (delta: -104.6MB). Peak memory consumption was 7.3MB. 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...