./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c1a24858-9b05-401a-8160-c41bf758b143/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c1a24858-9b05-401a-8160-c41bf758b143/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c1a24858-9b05-401a-8160-c41bf758b143/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c1a24858-9b05-401a-8160-c41bf758b143/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_c1a24858-9b05-401a-8160-c41bf758b143/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c1a24858-9b05-401a-8160-c41bf758b143/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 0.1.23-1dbac8b [2018-10-26 20:56:30,786 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:56:30,787 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:56:30,797 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:56:30,797 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:56:30,798 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:56:30,799 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:56:30,801 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:56:30,802 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:56:30,803 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:56:30,804 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:56:30,804 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:56:30,805 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:56:30,806 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:56:30,807 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:56:30,808 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:56:30,809 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:56:30,810 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:56:30,812 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:56:30,814 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:56:30,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:56:30,816 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:56:30,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:56:30,818 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:56:30,818 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:56:30,819 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:56:30,820 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:56:30,821 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:56:30,822 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:56:30,823 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:56:30,823 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:56:30,824 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:56:30,824 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:56:30,824 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:56:30,825 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:56:30,826 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:56:30,826 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c1a24858-9b05-401a-8160-c41bf758b143/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 20:56:30,838 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:56:30,838 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:56:30,839 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:56:30,839 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:56:30,840 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:56:30,840 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:56:30,840 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 20:56:30,840 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:56:30,841 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:56:30,841 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:56:30,841 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:56:30,841 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:56:30,841 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:56:30,841 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:56:30,841 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:56:30,842 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:56:30,842 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:56:30,842 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:56:30,842 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:56:30,842 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:56:30,842 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:56:30,842 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:56:30,843 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:56:30,843 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:56:30,845 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:56:30,845 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:56:30,845 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 20:56:30,845 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:56:30,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:56:30,846 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_c1a24858-9b05-401a-8160-c41bf758b143/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 [2018-10-26 20:56:30,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:56:30,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:56:30,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:56:30,885 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:56:30,886 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:56:30,886 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c1a24858-9b05-401a-8160-c41bf758b143/bin-2019/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/nearbyint_true-unreach-call.i [2018-10-26 20:56:30,935 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1a24858-9b05-401a-8160-c41bf758b143/bin-2019/uautomizer/data/2465e388e/2ded7729a324410893fd023fed69847d/FLAGa37a3634d [2018-10-26 20:56:31,359 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:56:31,360 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c1a24858-9b05-401a-8160-c41bf758b143/sv-benchmarks/c/floats-esbmc-regression/nearbyint_true-unreach-call.i [2018-10-26 20:56:31,372 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c1a24858-9b05-401a-8160-c41bf758b143/bin-2019/uautomizer/data/2465e388e/2ded7729a324410893fd023fed69847d/FLAGa37a3634d [2018-10-26 20:56:31,386 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c1a24858-9b05-401a-8160-c41bf758b143/bin-2019/uautomizer/data/2465e388e/2ded7729a324410893fd023fed69847d [2018-10-26 20:56:31,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:56:31,390 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 20:56:31,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:56:31,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:56:31,395 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:56:31,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:56:31" (1/1) ... [2018-10-26 20:56:31,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7359049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:56:31, skipping insertion in model container [2018-10-26 20:56:31,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:56:31" (1/1) ... [2018-10-26 20:56:31,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:56:31,449 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:56:31,845 WARN L309 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: fesetround [2018-10-26 20:56:31,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62fbdbe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:56:31, skipping insertion in model container [2018-10-26 20:56:31,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:56:31,846 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-10-26 20:56:31,847 INFO L168 Benchmark]: Toolchain (without parser) took 458.04 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 941.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:56:31,849 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:56:31,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.59 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 941.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:56:31,851 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 455.59 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 941.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 992]: Unsupported Syntax Unsupported function from math.h: fesetround RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...