/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/floats-cbmc-regression/float-rounding1_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 40ef5092 Calling Ultimate with: 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 ../../../trunk/examples/svcomp/floats-cbmc-regression/float-rounding1_true-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 606f7c2605a208e0a98efea41e23adfc30d8b8f4 ..................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-40ef509 [2018-09-20 13:46:08,935 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 13:46:08,938 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 13:46:08,953 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 13:46:08,953 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 13:46:08,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 13:46:08,956 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 13:46:08,958 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 13:46:08,960 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 13:46:08,961 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 13:46:08,962 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 13:46:08,962 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 13:46:08,964 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 13:46:08,965 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 13:46:08,966 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 13:46:08,967 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 13:46:08,968 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 13:46:08,970 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 13:46:08,973 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 13:46:08,975 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 13:46:08,976 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 13:46:08,978 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 13:46:08,980 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 13:46:08,981 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 13:46:08,981 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 13:46:08,982 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 13:46:08,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 13:46:08,984 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 13:46:08,985 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 13:46:08,986 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 13:46:08,987 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 13:46:08,988 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 13:46:08,988 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 13:46:08,988 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 13:46:08,990 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 13:46:08,991 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 13:46:08,991 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 13:46:09,007 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 13:46:09,008 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 13:46:09,009 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 13:46:09,009 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 13:46:09,010 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 13:46:09,010 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 13:46:09,010 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 13:46:09,010 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 13:46:09,011 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 13:46:09,011 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 13:46:09,011 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 13:46:09,011 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 13:46:09,011 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 13:46:09,012 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 13:46:09,013 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 13:46:09,013 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 13:46:09,013 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 13:46:09,013 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 13:46:09,014 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 13:46:09,014 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 13:46:09,014 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 13:46:09,014 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 13:46:09,015 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 13:46:09,015 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 13:46:09,015 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 13:46:09,015 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 13:46:09,015 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 13:46:09,016 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 13:46:09,016 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 13:46:09,016 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 -> /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 [2018-09-20 13:46:09,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 13:46:09,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 13:46:09,086 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 13:46:09,088 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 13:46:09,089 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 13:46:09,090 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-rounding1_true-unreach-call.i [2018-09-20 13:46:09,460 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c608f079c/a610d444ef8d4d2e9c23ec0e9792eea7/FLAGd50ae40f2 [2018-09-20 13:46:09,799 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 13:46:09,800 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-rounding1_true-unreach-call.i [2018-09-20 13:46:09,819 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c608f079c/a610d444ef8d4d2e9c23ec0e9792eea7/FLAGd50ae40f2 [2018-09-20 13:46:09,843 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c608f079c/a610d444ef8d4d2e9c23ec0e9792eea7 [2018-09-20 13:46:09,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 13:46:09,855 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 13:46:09,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 13:46:09,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 13:46:09,866 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 13:46:09,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:46:09" (1/1) ... [2018-09-20 13:46:09,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7440581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:09, skipping insertion in model container [2018-09-20 13:46:09,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:46:09" (1/1) ... [2018-09-20 13:46:09,882 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 13:46:10,181 WARN L223 ieTranslatorObserver]: Unsupported Syntax: Unsupported function from math.h: fesetround [2018-09-20 13:46:10,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41aa9d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:46:10, skipping insertion in model container [2018-09-20 13:46:10,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 13:46:10,182 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-09-20 13:46:10,184 INFO L168 Benchmark]: Toolchain (without parser) took 333.68 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:10,186 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-20 13:46:10,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.76 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-09-20 13:46:10,191 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 325.76 ms. Allocated memory is still 1.0 GB. Free memory was 950.5 MB in the beginning and 934.4 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: 1085]: Unsupported Syntax Unsupported function from math.h: fesetround RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...