./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memsafety.prp --file /storage/repos/svcomp/c/busybox-1.22.0/seq_true-no-overflow_true-valid-memsafety.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/busybox-1.22.0/seq_true-no-overflow_true-valid-memsafety.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7de7cc353d0ee3f0c1e043e91c13d0e4bfb573fb ................................................................................................................... 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 23:04:49,370 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:04:49,373 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:04:49,391 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:04:49,392 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:04:49,393 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:04:49,394 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:04:49,396 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:04:49,397 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:04:49,398 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:04:49,399 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:04:49,399 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:04:49,400 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:04:49,401 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:04:49,405 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:04:49,406 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:04:49,407 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:04:49,411 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:04:49,417 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:04:49,421 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:04:49,425 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:04:49,426 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:04:49,431 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:04:49,431 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:04:49,431 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:04:49,432 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:04:49,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:04:49,436 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:04:49,437 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:04:49,442 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:04:49,442 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:04:49,443 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:04:49,443 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:04:49,443 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:04:49,444 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:04:49,446 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:04:49,447 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2018-11-28 23:04:49,472 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:04:49,472 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:04:49,473 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 23:04:49,473 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 23:04:49,475 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:04:49,475 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:04:49,475 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:04:49,476 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:04:49,476 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:04:49,476 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:04:49,476 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:04:49,476 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-28 23:04:49,476 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-28 23:04:49,478 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-28 23:04:49,478 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 23:04:49,478 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:04:49,478 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:04:49,479 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:04:49,479 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 23:04:49,479 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 23:04:49,479 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 23:04:49,479 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:04:49,480 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 23:04:49,481 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:04:49,481 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 23:04:49,481 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 7de7cc353d0ee3f0c1e043e91c13d0e4bfb573fb [2018-11-28 23:04:49,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:04:49,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:04:49,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:04:49,562 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:04:49,563 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:04:49,563 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/busybox-1.22.0/seq_true-no-overflow_true-valid-memsafety.i [2018-11-28 23:04:49,630 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a8e90947/3dee7f5ada144740a9996b904b3b2872/FLAG822a83870 [2018-11-28 23:04:50,341 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:04:50,341 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/busybox-1.22.0/seq_true-no-overflow_true-valid-memsafety.i [2018-11-28 23:04:50,368 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a8e90947/3dee7f5ada144740a9996b904b3b2872/FLAG822a83870 [2018-11-28 23:04:50,458 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a8e90947/3dee7f5ada144740a9996b904b3b2872 [2018-11-28 23:04:50,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:04:50,463 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-28 23:04:50,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:04:50,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:04:50,468 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:04:50,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:04:50" (1/1) ... [2018-11-28 23:04:50,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749f238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:04:50, skipping insertion in model container [2018-11-28 23:04:50,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:04:50" (1/1) ... [2018-11-28 23:04:50,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:04:50,582 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:04:51,962 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 23:04:51,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@769e68e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:04:51, skipping insertion in model container [2018-11-28 23:04:51,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:04:51,964 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-11-28 23:04:51,966 INFO L168 Benchmark]: Toolchain (without parser) took 1503.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:04:51,968 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:04:51,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1500.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:04:51,973 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1500.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2522]: 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...