/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/floats-esbmc-regression/round_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-esbmc-regression/round_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 9e2321be8939537c2a52c918c5f76235883a721b ..................................................................................................................... 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 14:26:09,203 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-20 14:26:09,206 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-20 14:26:09,221 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-20 14:26:09,222 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-20 14:26:09,223 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-20 14:26:09,225 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-20 14:26:09,228 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-20 14:26:09,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-20 14:26:09,232 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-20 14:26:09,235 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-20 14:26:09,235 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-20 14:26:09,236 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-20 14:26:09,237 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-20 14:26:09,238 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-20 14:26:09,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-20 14:26:09,240 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-20 14:26:09,242 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-20 14:26:09,244 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-20 14:26:09,246 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-20 14:26:09,247 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-20 14:26:09,248 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-20 14:26:09,251 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-20 14:26:09,252 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-20 14:26:09,252 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-20 14:26:09,253 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-20 14:26:09,254 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-20 14:26:09,255 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-20 14:26:09,256 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-20 14:26:09,257 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-20 14:26:09,258 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-20 14:26:09,258 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-20 14:26:09,259 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-20 14:26:09,259 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-20 14:26:09,260 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-20 14:26:09,261 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-20 14:26:09,261 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-20 14:26:09,279 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-20 14:26:09,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-20 14:26:09,280 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-20 14:26:09,280 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-20 14:26:09,281 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-20 14:26:09,281 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-20 14:26:09,281 INFO L133 SettingsManager]: * Use SBE=true [2018-09-20 14:26:09,285 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-20 14:26:09,285 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-20 14:26:09,285 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-20 14:26:09,285 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-20 14:26:09,285 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-20 14:26:09,286 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-20 14:26:09,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-20 14:26:09,286 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-20 14:26:09,286 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-20 14:26:09,286 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-20 14:26:09,286 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-20 14:26:09,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-20 14:26:09,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-20 14:26:09,287 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-20 14:26:09,287 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-20 14:26:09,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-20 14:26:09,293 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-20 14:26:09,293 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-20 14:26:09,293 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-20 14:26:09,293 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-20 14:26:09,293 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-20 14:26:09,294 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-20 14:26:09,294 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 -> 9e2321be8939537c2a52c918c5f76235883a721b [2018-09-20 14:26:09,350 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-20 14:26:09,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-20 14:26:09,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-20 14:26:09,370 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-20 14:26:09,370 INFO L276 PluginConnector]: CDTParser initialized [2018-09-20 14:26:09,371 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/round_true-unreach-call.i [2018-09-20 14:26:09,727 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a2035e2e/46a1b9dfc3434f4fb0cdceec7db33a7a/FLAG2220f4a70 [2018-09-20 14:26:10,053 INFO L277 CDTParser]: Found 1 translation units. [2018-09-20 14:26:10,054 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/round_true-unreach-call.i [2018-09-20 14:26:10,073 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a2035e2e/46a1b9dfc3434f4fb0cdceec7db33a7a/FLAG2220f4a70 [2018-09-20 14:26:10,098 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a2035e2e/46a1b9dfc3434f4fb0cdceec7db33a7a [2018-09-20 14:26:10,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-20 14:26:10,110 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-20 14:26:10,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-20 14:26:10,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-20 14:26:10,122 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-20 14:26:10,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:26:10" (1/1) ... [2018-09-20 14:26:10,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741d042a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:26:10, skipping insertion in model container [2018-09-20 14:26:10,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 02:26:10" (1/1) ... [2018-09-20 14:26:10,141 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-20 14:26:10,477 WARN L223 ieTranslatorObserver]: Unsupported Syntax: Unsupported function from math.h: round [2018-09-20 14:26:10,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@534ebe40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 02:26:10, skipping insertion in model container [2018-09-20 14:26:10,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-20 14:26:10,482 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-09-20 14:26:10,483 INFO L168 Benchmark]: Toolchain (without parser) took 378.86 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 14:26:10,486 INFO L168 Benchmark]: CDTParser took 0.23 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 14:26:10,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.00 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 14:26:10,490 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 371.00 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: 871]: Unsupported Syntax Unsupported function from math.h: round RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...