./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/nearbyint_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/nearbyint_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/bin-2019/uautomizer --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 60ab0561eb53f2e245add86ddb71b4cd4aa52fdb ............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:26:48,910 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:26:48,911 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:26:48,917 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:26:48,918 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:26:48,918 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:26:48,919 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:26:48,920 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:26:48,921 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:26:48,922 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:26:48,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:26:48,922 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:26:48,923 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:26:48,923 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:26:48,924 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:26:48,924 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:26:48,925 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:26:48,925 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:26:48,927 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:26:48,927 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:26:48,928 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:26:48,928 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:26:48,930 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:26:48,930 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:26:48,930 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:26:48,930 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:26:48,931 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:26:48,931 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:26:48,931 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:26:48,932 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:26:48,932 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:26:48,933 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:26:48,933 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:26:48,933 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:26:48,934 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:26:48,934 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:26:48,934 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 00:26:48,944 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:26:48,944 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:26:48,945 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:26:48,945 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:26:48,945 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:26:48,945 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:26:48,945 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 00:26:48,946 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:26:48,946 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:26:48,946 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:26:48,946 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:26:48,946 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:26:48,946 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:26:48,947 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:26:48,947 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:26:48,947 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:26:48,947 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:26:48,947 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:26:48,947 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:26:48,947 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:26:48,948 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:26:48,948 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:26:48,948 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:26:48,948 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:26:48,948 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:26:48,948 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:26:48,949 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:26:48,949 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 00:26:48,949 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:26:48,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:26:48,949 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/bin-2019/uautomizer 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 -> 60ab0561eb53f2e245add86ddb71b4cd4aa52fdb [2018-12-09 00:26:48,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:26:48,979 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:26:48,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:26:48,982 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:26:48,982 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:26:48,982 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/bin-2019/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/nearbyint_true-unreach-call.i [2018-12-09 00:26:49,016 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/bin-2019/uautomizer/data/40f3748de/fd9e077738ef4ccc8be54cdc4508af96/FLAG53cd832c2 [2018-12-09 00:26:49,390 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:26:49,391 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/sv-benchmarks/c/floats-esbmc-regression/nearbyint_true-unreach-call.i [2018-12-09 00:26:49,397 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/bin-2019/uautomizer/data/40f3748de/fd9e077738ef4ccc8be54cdc4508af96/FLAG53cd832c2 [2018-12-09 00:26:49,757 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3831c894-0bb9-41be-8371-d50a6edaa110/bin-2019/uautomizer/data/40f3748de/fd9e077738ef4ccc8be54cdc4508af96 [2018-12-09 00:26:49,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:26:49,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:26:49,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:26:49,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:26:49,763 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:26:49,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:26:49" (1/1) ... [2018-12-09 00:26:49,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9fa26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:26:49, skipping insertion in model container [2018-12-09 00:26:49,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:26:49" (1/1) ... [2018-12-09 00:26:49,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:26:49,792 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:26:50,017 ERROR L311 MainTranslator]: Unsupported Syntax: Unsupported function: fesetround [2018-12-09 00:26:50,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d73faf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:26:50, skipping insertion in model container [2018-12-09 00:26:50,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:26:50,018 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-12-09 00:26:50,018 INFO L168 Benchmark]: Toolchain (without parser) took 258.39 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:26:50,019 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:26:50,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.52 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:26:50,020 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 256.52 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 939.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 992]: Unsupported Syntax Unsupported function: fesetround RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...