./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i --full-output --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47b0bc17 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 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-47b0bc1 [2019-11-20 22:44:16,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:44:16,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:44:16,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:44:16,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:44:16,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:44:16,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:44:16,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:44:16,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:44:16,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:44:16,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:44:16,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:44:16,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:44:16,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:44:16,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:44:16,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:44:16,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:44:16,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:44:16,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:44:16,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:44:16,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:44:16,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:44:16,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:44:16,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:44:16,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:44:16,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:44:16,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:44:16,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:44:16,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:44:16,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:44:16,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:44:16,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:44:16,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:44:16,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:44:16,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:44:16,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:44:16,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:44:16,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:44:16,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:44:16,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:44:16,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:44:16,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 22:44:16,743 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:44:16,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:44:16,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:44:16,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:44:16,749 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:44:16,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:44:16,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:44:16,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 22:44:16,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:44:16,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:44:16,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:44:16,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:44:16,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:44:16,756 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:44:16,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:44:16,757 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:44:16,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:44:16,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:44:16,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:44:16,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:44:16,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:44:16,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:44:16,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:44:16,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:44:16,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:44:16,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 22:44:16,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 22:44:16,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:44:16,765 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:44:17,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:44:17,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:44:17,351 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:44:17,355 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:44:17,357 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:44:17,361 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-20 22:44:17,518 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2995f146/fd6ce3ab7b744701a4d2c76fe6b75595/FLAGfe1998ffe [2019-11-20 22:44:18,731 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:44:18,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-20 22:44:18,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2995f146/fd6ce3ab7b744701a4d2c76fe6b75595/FLAGfe1998ffe [2019-11-20 22:44:18,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2995f146/fd6ce3ab7b744701a4d2c76fe6b75595 [2019-11-20 22:44:18,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:44:18,816 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:44:18,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:44:18,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:44:18,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:44:18,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:18" (1/1) ... [2019-11-20 22:44:18,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7036de6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:18, skipping insertion in model container [2019-11-20 22:44:18,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:18" (1/1) ... [2019-11-20 22:44:18,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:44:18,965 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:44:20,047 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:1334) 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:1351) 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:1302) 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:995) 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:1373) 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:3450) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2265) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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:193) 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: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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 22:44:20,069 INFO L168 Benchmark]: Toolchain (without parser) took 1252.46 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.0 MB in the end (delta: -34.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-20 22:44:20,071 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-20 22:44:20,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1240.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.0 MB in the end (delta: -34.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 12.5 GB. [2019-11-20 22:44:20,081 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 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 1240.50 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 0.1.24-47b0bc1 [2019-11-20 22:44:23,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 22:44:23,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 22:44:24,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 22:44:24,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 22:44:24,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 22:44:24,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 22:44:24,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 22:44:24,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 22:44:24,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 22:44:24,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 22:44:24,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 22:44:24,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 22:44:24,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 22:44:24,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 22:44:24,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 22:44:24,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 22:44:24,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 22:44:24,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 22:44:24,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 22:44:24,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 22:44:24,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 22:44:24,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 22:44:24,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 22:44:24,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 22:44:24,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 22:44:24,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 22:44:24,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 22:44:24,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 22:44:24,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 22:44:24,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 22:44:24,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 22:44:24,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 22:44:24,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 22:44:24,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 22:44:24,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 22:44:24,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 22:44:24,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 22:44:24,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 22:44:24,187 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 22:44:24,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 22:44:24,193 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 22:44:24,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 22:44:24,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 22:44:24,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 22:44:24,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 22:44:24,247 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 22:44:24,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 22:44:24,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 22:44:24,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 22:44:24,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 22:44:24,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 22:44:24,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 22:44:24,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 22:44:24,251 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 22:44:24,252 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 22:44:24,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 22:44:24,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 22:44:24,255 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 22:44:24,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 22:44:24,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 22:44:24,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 22:44:24,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 22:44:24,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 22:44:24,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 22:44:24,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 22:44:24,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 22:44:24,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 22:44:24,262 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 22:44:24,262 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 22:44:24,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 22:44:24,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 22:44:24,264 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2019-11-20 22:44:24,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 22:44:24,844 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 22:44:24,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 22:44:24,856 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 22:44:24,859 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 22:44:24,860 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-20 22:44:25,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d885c9633/87534ea8dd2b421fb329bcfba4e1891d/FLAG373ba7f49 [2019-11-20 22:44:26,222 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 22:44:26,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2019-11-20 22:44:26,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d885c9633/87534ea8dd2b421fb329bcfba4e1891d/FLAG373ba7f49 [2019-11-20 22:44:26,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d885c9633/87534ea8dd2b421fb329bcfba4e1891d [2019-11-20 22:44:26,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 22:44:26,315 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-20 22:44:26,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 22:44:26,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 22:44:26,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 22:44:26,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:26" (1/1) ... [2019-11-20 22:44:26,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7036de6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:26, skipping insertion in model container [2019-11-20 22:44:26,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:26" (1/1) ... [2019-11-20 22:44:26,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 22:44:26,465 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-20 22:44:27,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:44:27,562 INFO L201 MainTranslator]: Completed pre-run [2019-11-20 22:44:27,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 22:44:28,292 INFO L205 MainTranslator]: Completed translation [2019-11-20 22:44:28,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:28 WrapperNode [2019-11-20 22:44:28,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 22:44:28,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 22:44:28,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 22:44:28,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 22:44:28,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:28" (1/1) ... [2019-11-20 22:44:28,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:28" (1/1) ... [2019-11-20 22:44:28,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 22:44:28,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 22:44:28,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 22:44:28,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 22:44:28,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:28" (1/1) ... [2019-11-20 22:44:28,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:28" (1/1) ... [2019-11-20 22:44:28,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:28" (1/1) ... [2019-11-20 22:44:28,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:28" (1/1) ... [2019-11-20 22:44:28,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:28" (1/1) ... [2019-11-20 22:44:28,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:28" (1/1) ... [2019-11-20 22:44:28,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:28" (1/1) ... [2019-11-20 22:44:28,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 22:44:28,572 INFO L168 Benchmark]: Toolchain (without parser) took 2253.60 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. [2019-11-20 22:44:28,576 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-20 22:44:28,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1979.27 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 80.5 MB. Max. memory is 12.5 GB. [2019-11-20 22:44:28,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 168.85 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. [2019-11-20 22:44:28,586 INFO L168 Benchmark]: Boogie Preprocessor took 96.50 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. [2019-11-20 22:44:28,596 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 1979.27 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 80.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 168.85 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 96.50 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...