./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 606f7c2605a208e0a98efea41e23adfc30d8b8f4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 606f7c2605a208e0a98efea41e23adfc30d8b8f4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:17:40,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:17:40,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:17:40,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:17:40,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:17:40,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:17:40,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:17:40,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:17:40,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:17:40,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:17:40,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:17:40,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:17:40,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:17:40,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:17:40,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:17:40,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:17:40,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:17:40,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:17:40,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:17:40,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:17:40,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:17:41,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:17:41,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:17:41,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:17:41,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:17:41,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:17:41,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:17:41,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:17:41,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:17:41,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:17:41,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:17:41,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:17:41,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:17:41,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:17:41,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:17:41,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:17:41,039 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:17:41,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:17:41,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:17:41,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:17:41,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:17:41,048 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:17:41,087 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:17:41,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:17:41,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:17:41,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:17:41,093 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:17:41,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:17:41,094 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:17:41,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:17:41,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:17:41,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:17:41,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:17:41,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:17:41,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:17:41,099 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:17:41,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:17:41,100 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:17:41,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:17:41,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:17:41,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:17:41,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:17:41,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:17:41,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:17:41,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:17:41,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:17:41,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:17:41,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:17:41,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:17:41,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:17:41,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(G ! call(__VERIFIER_error())) ) 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 -> 606f7c2605a208e0a98efea41e23adfc30d8b8f4 [2019-11-16 21:17:41,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:17:41,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:17:41,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:17:41,757 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:17:41,760 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:17:41,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-16 21:17:41,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d6527f47/82ef4230d33545d498ebc01f77cd02a0/FLAG29160a068 [2019-11-16 21:17:43,157 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:17:43,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-16 21:17:43,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d6527f47/82ef4230d33545d498ebc01f77cd02a0/FLAG29160a068 [2019-11-16 21:17:43,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d6527f47/82ef4230d33545d498ebc01f77cd02a0 [2019-11-16 21:17:43,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:17:43,254 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:17:43,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:43,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:17:43,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:17:43,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:43" (1/1) ... [2019-11-16 21:17:43,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7feb61e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:43, skipping insertion in model container [2019-11-16 21:17:43,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:43" (1/1) ... [2019-11-16 21:17:43,294 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:17:43,410 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:17:44,493 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: fesetround not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleBuiltinFesetround(StandardFunctionHandler.java:1335) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) 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:1213) 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:906) 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:1284) 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:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) 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:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-16 21:17:44,517 INFO L168 Benchmark]: Toolchain (without parser) took 1256.77 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.0 MB in the end (delta: -34.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:44,520 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:17:44,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1250.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.0 MB in the end (delta: -34.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:44,529 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1250.45 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.0 MB in the end (delta: -34.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: fesetround not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: fesetround not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:959) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:17:48,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:17:48,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:17:48,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:17:48,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:17:48,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:17:48,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:17:48,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:17:48,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:17:48,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:17:48,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:17:48,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:17:48,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:17:48,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:17:48,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:17:48,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:17:48,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:17:48,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:17:48,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:17:48,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:17:48,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:17:48,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:17:48,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:17:48,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:17:48,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:17:48,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:17:48,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:17:48,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:17:48,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:17:48,396 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:17:48,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:17:48,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:17:48,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:17:48,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:17:48,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:17:48,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:17:48,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:17:48,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:17:48,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:17:48,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:17:48,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:17:48,430 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-16 21:17:48,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:17:48,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:17:48,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:17:48,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:17:48,483 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:17:48,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:17:48,483 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:17:48,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:17:48,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:17:48,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:17:48,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:17:48,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:17:48,488 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-16 21:17:48,488 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-16 21:17:48,491 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:17:48,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:17:48,492 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:17:48,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:17:48,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:17:48,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:17:48,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:17:48,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:17:48,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:17:48,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:17:48,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:17:48,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:17:48,497 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-16 21:17:48,498 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-16 21:17:48,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:17:48,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-16 21:17:48,500 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(G ! call(__VERIFIER_error())) ) 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 -> 606f7c2605a208e0a98efea41e23adfc30d8b8f4 [2019-11-16 21:17:49,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:17:49,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:17:49,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:17:49,191 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:17:49,192 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:17:49,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-16 21:17:49,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9766dc654/cd97e1defb78431086e668d85eaf2586/FLAG6203280de [2019-11-16 21:17:50,600 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:17:50,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-16 21:17:50,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9766dc654/cd97e1defb78431086e668d85eaf2586/FLAG6203280de [2019-11-16 21:17:50,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9766dc654/cd97e1defb78431086e668d85eaf2586 [2019-11-16 21:17:50,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:17:50,693 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:17:50,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:50,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:17:50,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:17:50,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:50" (1/1) ... [2019-11-16 21:17:50,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7f3d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:50, skipping insertion in model container [2019-11-16 21:17:50,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:17:50" (1/1) ... [2019-11-16 21:17:50,735 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:17:50,850 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:17:52,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:17:52,267 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 21:17:52,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 21:17:53,032 INFO L192 MainTranslator]: Completed translation [2019-11-16 21:17:53,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:53 WrapperNode [2019-11-16 21:17:53,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:17:53,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 21:17:53,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 21:17:53,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 21:17:53,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:53" (1/1) ... [2019-11-16 21:17:53,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:53" (1/1) ... [2019-11-16 21:17:53,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 21:17:53,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 21:17:53,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 21:17:53,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 21:17:53,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:53" (1/1) ... [2019-11-16 21:17:53,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:53" (1/1) ... [2019-11-16 21:17:53,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:53" (1/1) ... [2019-11-16 21:17:53,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:53" (1/1) ... [2019-11-16 21:17:53,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:53" (1/1) ... [2019-11-16 21:17:53,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:53" (1/1) ... [2019-11-16 21:17:53,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:17:53" (1/1) ... [2019-11-16 21:17:53,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 21:17:53,324 INFO L168 Benchmark]: Toolchain (without parser) took 2628.53 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 881.3 MB in the end (delta: 86.1 MB). Peak memory consumption was 86.2 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:53,327 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:17:53,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2344.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 887.0 MB in the end (delta: 80.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:53,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 177.95 ms. Allocated memory is still 1.0 GB. Free memory was 887.0 MB in the beginning and 881.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-16 21:17:53,337 INFO L168 Benchmark]: Boogie Preprocessor took 98.34 ms. Allocated memory is still 1.0 GB. Free memory is still 881.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-16 21:17:53,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2344.43 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 887.0 MB in the end (delta: 80.4 MB). Peak memory consumption was 80.4 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 177.95 ms. Allocated memory is still 1.0 GB. Free memory was 887.0 MB in the beginning and 881.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 98.34 ms. Allocated memory is still 1.0 GB. Free memory is still 881.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...