./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3ba1b0f4b3ac3adba0b745956d4edd51c93be917 ..................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:19:16,792 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:19:16,793 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:19:16,799 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:19:16,799 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:19:16,800 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:19:16,801 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:19:16,802 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:19:16,803 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:19:16,804 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:19:16,805 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:19:16,805 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:19:16,805 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:19:16,806 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:19:16,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:19:16,807 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:19:16,807 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:19:16,808 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:19:16,809 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:19:16,810 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:19:16,811 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:19:16,811 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:19:16,812 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:19:16,813 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:19:16,813 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:19:16,813 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:19:16,814 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:19:16,814 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:19:16,815 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:19:16,816 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:19:16,816 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:19:16,816 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:19:16,817 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:19:16,817 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:19:16,817 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:19:16,818 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:19:16,818 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 05:19:16,826 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:19:16,826 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:19:16,826 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:19:16,826 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 05:19:16,827 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 05:19:16,827 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 05:19:16,827 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:19:16,827 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:19:16,827 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:19:16,827 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:19:16,827 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:19:16,827 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:19:16,827 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:19:16,827 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:19:16,827 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:19:16,828 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:19:16,828 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:19:16,828 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:19:16,828 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 05:19:16,828 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 05:19:16,828 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:19:16,828 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:19:16,828 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 05:19:16,829 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:19:16,829 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:19:16,829 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:19:16,829 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 05:19:16,829 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:19:16,829 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:19:16,829 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/bin-2019/ukojak 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 -> Kojak 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 -> 3ba1b0f4b3ac3adba0b745956d4edd51c93be917 [2018-11-23 05:19:16,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:19:16,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:19:16,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:19:16,867 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:19:16,868 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:19:16,868 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/bin-2019/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl_true-unreach-call.i [2018-11-23 05:19:16,914 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/bin-2019/ukojak/data/bf5f650a2/fddbc0a9e2b7443fb41bc1c66fb2f06d/FLAG94e4ce761 [2018-11-23 05:19:17,503 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:19:17,504 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl_true-unreach-call.i [2018-11-23 05:19:17,535 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/bin-2019/ukojak/data/bf5f650a2/fddbc0a9e2b7443fb41bc1c66fb2f06d/FLAG94e4ce761 [2018-11-23 05:19:17,891 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_722a67c9-6d5e-4346-921e-89a51c69e1ff/bin-2019/ukojak/data/bf5f650a2/fddbc0a9e2b7443fb41bc1c66fb2f06d [2018-11-23 05:19:17,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:19:17,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:19:17,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:19:17,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:19:17,896 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:19:17,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:17" (1/1) ... [2018-11-23 05:19:17,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782c97b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:17, skipping insertion in model container [2018-11-23 05:19:17,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:19:17" (1/1) ... [2018-11-23 05:19:17,906 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:19:17,984 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:19:21,037 ERROR L311 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2018-11-23 05:19:21,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49da20fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:19:21, skipping insertion in model container [2018-11-23 05:19:21,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:19:21,038 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-23 05:19:21,039 INFO L168 Benchmark]: Toolchain (without parser) took 3145.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 67.2 MB. Max. memory is 11.5 GB. [2018-11-23 05:19:21,040 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:19:21,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3144.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 67.2 MB. Max. memory is 11.5 GB. [2018-11-23 05:19:21,042 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3144.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 947.4 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 67.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4694]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...