./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 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-esbmc-regression/rounding_functions.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 ec0df13de05645032e5e619887241b0b87cbbeeb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-esbmc-regression/rounding_functions.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 ec0df13de05645032e5e619887241b0b87cbbeeb .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:41,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:41,965 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:41,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:41,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:42,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:42,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:42,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:42,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:42,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:42,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:42,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:42,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:42,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:42,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:42,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:42,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:42,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:42,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:42,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:42,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:42,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:42,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:42,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:42,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:42,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:42,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:42,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:42,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:42,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:42,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:42,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:42,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:42,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:42,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:42,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:42,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:42,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:42,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:42,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:42,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:42,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:58:42,183 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:42,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:42,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:42,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:42,190 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:42,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:42,191 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:42,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:58:42,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:42,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:42,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:42,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:42,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:42,195 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:42,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:42,198 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:42,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:42,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:42,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:42,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:42,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:42,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:42,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:42,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:42,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:42,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:58:42,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:58:42,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:42,204 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 -> ec0df13de05645032e5e619887241b0b87cbbeeb [2019-11-26 16:58:42,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:42,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:42,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:42,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:42,813 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:42,814 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i [2019-11-26 16:58:42,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c427ea9cd/2b50fa7b295f4fb4b98850bdcd1dc28d/FLAGda189e36f [2019-11-26 16:58:44,253 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:44,255 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i [2019-11-26 16:58:44,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c427ea9cd/2b50fa7b295f4fb4b98850bdcd1dc28d/FLAGda189e36f [2019-11-26 16:58:44,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c427ea9cd/2b50fa7b295f4fb4b98850bdcd1dc28d [2019-11-26 16:58:44,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:44,348 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:44,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:44,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:44,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:44,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:44" (1/1) ... [2019-11-26 16:58:44,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483df1d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:44, skipping insertion in model container [2019-11-26 16:58:44,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:44" (1/1) ... [2019-11-26 16:58:44,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:44,504 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:45,998 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: round at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1642) 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:1386) 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:698) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1393) 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:1337) 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:1030) 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:1408) 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:3484) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:572) 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: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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 16:58:46,014 INFO L168 Benchmark]: Toolchain (without parser) took 1658.32 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.1 MB in the end (delta: -34.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:46,017 INFO L168 Benchmark]: CDTParser took 2.48 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:46,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1650.96 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 996.1 MB in the end (delta: -34.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:46,024 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.48 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 1650.96 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 996.1 MB in the end (delta: -34.4 MB). Peak memory consumption was 21.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: round de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: round: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:58:49,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:58:49,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:58:49,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:58:49,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:58:49,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:58:49,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:58:49,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:58:49,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:58:49,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:58:49,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:58:49,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:58:49,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:58:49,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:58:49,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:58:49,990 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:58:49,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:58:49,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:58:50,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:58:50,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:58:50,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:58:50,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:58:50,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:58:50,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:58:50,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:58:50,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:58:50,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:58:50,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:58:50,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:58:50,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:58:50,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:58:50,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:58:50,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:58:50,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:58:50,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:58:50,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:58:50,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:58:50,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:58:50,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:58:50,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:58:50,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:58:50,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:58:50,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:58:50,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:58:50,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:58:50,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:58:50,123 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:58:50,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:58:50,124 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:58:50,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:58:50,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:58:50,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:58:50,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:58:50,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:58:50,128 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:58:50,129 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:58:50,129 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:58:50,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:58:50,132 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:58:50,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:58:50,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:58:50,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:58:50,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:58:50,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:58:50,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:58:50,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:58:50,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:58:50,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:58:50,139 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:58:50,139 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:58:50,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:58:50,141 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:58:50,142 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 -> ec0df13de05645032e5e619887241b0b87cbbeeb [2019-11-26 16:58:50,755 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:58:50,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:58:50,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:58:50,798 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:58:50,799 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:58:50,802 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i [2019-11-26 16:58:50,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee782806/694f0f08f0164e919a0d2a0807c805c8/FLAG77872f548 [2019-11-26 16:58:52,204 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:58:52,212 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/rounding_functions.i [2019-11-26 16:58:52,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee782806/694f0f08f0164e919a0d2a0807c805c8/FLAG77872f548 [2019-11-26 16:58:52,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee782806/694f0f08f0164e919a0d2a0807c805c8 [2019-11-26 16:58:52,289 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:58:52,291 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:58:52,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:52,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:58:52,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:58:52,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:52" (1/1) ... [2019-11-26 16:58:52,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c02fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:52, skipping insertion in model container [2019-11-26 16:58:52,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:58:52" (1/1) ... [2019-11-26 16:58:52,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:58:52,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:58:53,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:53,645 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:58:53,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:58:54,317 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:58:54,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:54 WrapperNode [2019-11-26 16:58:54,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:58:54,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:54,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:58:54,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:58:54,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:54" (1/1) ... [2019-11-26 16:58:54,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:54" (1/1) ... [2019-11-26 16:58:54,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:58:54,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:58:54,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:58:54,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:58:54,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:54" (1/1) ... [2019-11-26 16:58:54,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:54" (1/1) ... [2019-11-26 16:58:54,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:54" (1/1) ... [2019-11-26 16:58:54,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:54" (1/1) ... [2019-11-26 16:58:54,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:54" (1/1) ... [2019-11-26 16:58:54,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:54" (1/1) ... [2019-11-26 16:58:54,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:58:54" (1/1) ... [2019-11-26 16:58:54,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:58:54,641 INFO L168 Benchmark]: Toolchain (without parser) took 2338.57 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 892.8 MB in the end (delta: 74.6 MB). Peak memory consumption was 74.6 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:54,651 INFO L168 Benchmark]: CDTParser took 0.41 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. [2019-11-26 16:58:54,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2015.95 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 898.6 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.9 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:54,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 204.25 ms. Allocated memory is still 1.0 GB. Free memory was 898.6 MB in the beginning and 892.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:58:54,663 INFO L168 Benchmark]: Boogie Preprocessor took 98.71 ms. Allocated memory is still 1.0 GB. Free memory is still 892.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:58:54,673 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 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 2015.95 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 898.6 MB in the end (delta: 68.8 MB). Peak memory consumption was 68.9 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 204.25 ms. Allocated memory is still 1.0 GB. Free memory was 898.6 MB in the beginning and 892.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 98.71 ms. Allocated memory is still 1.0 GB. Free memory is still 892.8 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...