./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete_true-no-overflow_false-valid-memtrack.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete_true-no-overflow_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/bin-2019/uautomizer --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 59552a76d60868057ef515bd7a8a81a51e73eda9 ................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:43:08,498 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:43:08,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:43:08,505 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:43:08,505 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:43:08,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:43:08,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:43:08,507 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:43:08,508 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:43:08,509 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:43:08,509 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:43:08,509 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:43:08,510 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:43:08,510 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:43:08,511 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:43:08,511 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:43:08,512 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:43:08,513 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:43:08,514 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:43:08,514 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:43:08,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:43:08,516 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:43:08,517 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:43:08,517 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:43:08,517 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:43:08,518 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:43:08,518 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:43:08,519 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:43:08,519 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:43:08,520 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:43:08,520 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:43:08,520 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:43:08,520 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:43:08,520 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:43:08,521 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:43:08,521 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:43:08,522 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2018-12-09 15:43:08,529 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:43:08,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:43:08,529 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:43:08,530 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:43:08,530 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 15:43:08,530 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 15:43:08,530 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 15:43:08,530 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:43:08,531 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 15:43:08,531 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:43:08,531 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:43:08,531 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 15:43:08,531 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 15:43:08,531 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 15:43:08,531 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:43:08,531 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:43:08,532 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:43:08,532 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:43:08,532 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:43:08,532 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:43:08,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:43:08,532 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:43:08,532 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:43:08,532 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 15:43:08,533 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:43:08,533 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/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 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 -> 59552a76d60868057ef515bd7a8a81a51e73eda9 [2018-12-09 15:43:08,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:43:08,560 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:43:08,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:43:08,564 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:43:08,564 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:43:08,565 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/bin-2019/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete_true-no-overflow_false-valid-memtrack.i [2018-12-09 15:43:08,609 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/bin-2019/uautomizer/data/6abd29312/994a7b8b999e48eebf60df163016efd4/FLAGaaf99701f [2018-12-09 15:43:09,175 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:43:09,176 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete_true-no-overflow_false-valid-memtrack.i [2018-12-09 15:43:09,187 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/bin-2019/uautomizer/data/6abd29312/994a7b8b999e48eebf60df163016efd4/FLAGaaf99701f [2018-12-09 15:43:09,587 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0fab0c1c-b402-4d8c-bbb8-bcd480be02aa/bin-2019/uautomizer/data/6abd29312/994a7b8b999e48eebf60df163016efd4 [2018-12-09 15:43:09,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:43:09,590 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-12-09 15:43:09,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:43:09,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:43:09,593 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:43:09,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:43:09" (1/1) ... [2018-12-09 15:43:09,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b285307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:09, skipping insertion in model container [2018-12-09 15:43:09,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:43:09" (1/1) ... [2018-12-09 15:43:09,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:43:09,633 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:43:10,212 ERROR L311 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2018-12-09 15:43:10,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e823e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:43:10, skipping insertion in model container [2018-12-09 15:43:10,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:43:10,212 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-12-09 15:43:10,213 INFO L168 Benchmark]: Toolchain (without parser) took 623.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:43:10,214 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:43:10,214 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:43:10,216 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 621.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2330]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...