./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/busybox-1.22.0/usleep_false-no-overflow.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 91b1670e 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 /storage/repos/svcomp/c/busybox-1.22.0/usleep_false-no-overflow.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 88d8f18655d51e7195a01a272f602d4f84d7fef4 ...................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:11:58,223 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:11:58,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:11:58,240 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:11:58,241 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:11:58,243 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:11:58,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:11:58,247 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:11:58,251 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:11:58,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:11:58,255 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:11:58,256 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:11:58,258 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:11:58,260 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:11:58,267 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:11:58,270 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:11:58,271 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:11:58,273 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:11:58,276 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:11:58,279 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:11:58,281 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:11:58,284 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:11:58,289 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:11:58,291 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:11:58,291 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:11:58,292 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:11:58,293 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:11:58,293 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:11:58,298 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:11:58,300 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:11:58,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:11:58,301 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:11:58,303 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:11:58,303 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:11:58,305 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:11:58,306 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:11:58,308 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-28 23:11:58,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:11:58,331 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:11:58,332 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 23:11:58,333 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 23:11:58,334 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:11:58,334 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:11:58,334 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:11:58,334 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:11:58,334 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:11:58,334 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:11:58,335 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:11:58,335 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 23:11:58,335 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 23:11:58,335 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 23:11:58,335 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 23:11:58,335 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:11:58,336 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:11:58,339 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 23:11:58,339 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:11:58,342 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:11:58,342 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 23:11:58,342 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 23:11:58,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 23:11:58,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:11:58,343 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 23:11:58,343 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 23:11:58,343 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:11:58,343 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 23:11:58,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 23:11:58,344 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88d8f18655d51e7195a01a272f602d4f84d7fef4 [2018-11-28 23:11:58,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:11:58,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:11:58,420 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:11:58,422 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:11:58,423 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:11:58,427 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/busybox-1.22.0/usleep_false-no-overflow.i [2018-11-28 23:11:58,486 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa498d3ff/0f744c0983884c17ac97fec19b06e6f8/FLAG1af77d8ce [2018-11-28 23:11:59,213 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:11:59,215 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/busybox-1.22.0/usleep_false-no-overflow.i [2018-11-28 23:11:59,259 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa498d3ff/0f744c0983884c17ac97fec19b06e6f8/FLAG1af77d8ce [2018-11-28 23:11:59,315 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa498d3ff/0f744c0983884c17ac97fec19b06e6f8 [2018-11-28 23:11:59,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:11:59,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:11:59,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:11:59,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:11:59,329 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:11:59,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:11:59" (1/1) ... [2018-11-28 23:11:59,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ba2edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:59, skipping insertion in model container [2018-11-28 23:11:59,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:11:59" (1/1) ... [2018-11-28 23:11:59,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:11:59,432 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:12:01,225 ERROR L311 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2018-11-28 23:12:01,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@274c6a08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:12:01, skipping insertion in model container [2018-11-28 23:12:01,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:12:01,229 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-28 23:12:01,230 INFO L168 Benchmark]: Toolchain (without parser) took 1909.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:12:01,233 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:12:01,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1906.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:12:01,239 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1906.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 941.8 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 48.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2465]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...