/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 07:56:05,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 07:56:05,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 07:56:05,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 07:56:05,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 07:56:05,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 07:56:05,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 07:56:05,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 07:56:05,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 07:56:05,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 07:56:05,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 07:56:05,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 07:56:05,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 07:56:05,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 07:56:05,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 07:56:05,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 07:56:05,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 07:56:05,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 07:56:05,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 07:56:05,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 07:56:05,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 07:56:05,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 07:56:05,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 07:56:05,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 07:56:05,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-23 07:56:05,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 07:56:05,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 07:56:05,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 07:56:05,877 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 07:56:05,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 07:56:05,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 07:56:05,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 07:56:05,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 07:56:05,926 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 07:56:05,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 07:56:05,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 07:56:05,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 07:56:05,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 07:56:05,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 07:56:05,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 07:56:05,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 07:56:05,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 07:56:05,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 07:56:05,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 07:56:05,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 07:56:05,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 07:56:05,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 07:56:05,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 07:56:05,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 07:56:05,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 07:56:05,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 07:56:05,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 07:56:05,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 07:56:05,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 07:56:05,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 07:56:06,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 07:56:06,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 07:56:06,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 07:56:06,349 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 07:56:06,350 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 07:56:06,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2020-12-23 07:56:06,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/14b8d0341/e43f0d9710f8407092a56736df26e9b2/FLAG4786b5783 [2020-12-23 07:56:07,043 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 07:56:07,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i [2020-12-23 07:56:07,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/14b8d0341/e43f0d9710f8407092a56736df26e9b2/FLAG4786b5783 [2020-12-23 07:56:07,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/14b8d0341/e43f0d9710f8407092a56736df26e9b2 [2020-12-23 07:56:07,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 07:56:07,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 07:56:07,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 07:56:07,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 07:56:07,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 07:56:07,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:56:07" (1/1) ... [2020-12-23 07:56:07,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1747778a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 07:56:07, skipping insertion in model container [2020-12-23 07:56:07,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 07:56:07" (1/1) ... [2020-12-23 07:56:07,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 07:56:07,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 07:56:07,664 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound2.i[948,961] left hand side expression in assignment: lhs: VariableLHS[~n~0,] left hand side expression in assignment: lhs: VariableLHS[~a~0,] left hand side expression in assignment: lhs: VariableLHS[~d~0,] left hand side expression in assignment: lhs: VariableLHS[~r~0,] left hand side expression in assignment: lhs: VariableLHS[~t~0,] left hand side expression in assignment: lhs: VariableLHS[~k~0,] left hand side expression in assignment: lhs: VariableLHS[~q~0,] [2020-12-23 07:56:07,681 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:857) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1710) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) 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:709) 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:1365) 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:1057) 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:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1435) 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:3223) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2304) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:583) 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) [2020-12-23 07:56:07,687 INFO L168 Benchmark]: Toolchain (without parser) took 275.90 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 118.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-23 07:56:07,688 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 07:56:07,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.72 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 118.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-23 07:56:07,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 121.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 268.72 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 118.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * 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:857) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...