./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.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a12094a8f4406ebf79a2184ba1d0efcca615660 ................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a12094a8f4406ebf79a2184ba1d0efcca615660 .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:43:35,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:35,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:35,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:35,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:35,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:35,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:35,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:35,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:35,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:35,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:35,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:35,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:35,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:35,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:35,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:35,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:35,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:35,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:35,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:35,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:35,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:35,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:35,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:35,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:35,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:35,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:35,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:35,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:35,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:35,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:35,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:35,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:35,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:35,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:35,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:35,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:35,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:35,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:35,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:35,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:35,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:43:36,043 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:36,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:36,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:36,045 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:36,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:36,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:36,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:36,047 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:36,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:43:36,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:36,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:36,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:36,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:36,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:36,050 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:36,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:36,051 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:36,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:36,051 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:36,051 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:36,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:36,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:36,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:36,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:36,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:36,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:36,054 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:43:36,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:43:36,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:36,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2020-11-28 04:43:36,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:36,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:36,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:36,462 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:36,463 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:36,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-11-28 04:43:36,603 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/data/dcdf97491/e5585601b10d40bfb9eb41c4a3be21f5/FLAG3515eee6f [2020-11-28 04:43:37,653 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:37,655 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-11-28 04:43:37,696 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/data/dcdf97491/e5585601b10d40bfb9eb41c4a3be21f5/FLAG3515eee6f [2020-11-28 04:43:38,065 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/data/dcdf97491/e5585601b10d40bfb9eb41c4a3be21f5 [2020-11-28 04:43:38,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:38,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:38,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:38,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:38,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:38,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:38" (1/1) ... [2020-11-28 04:43:38,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a612895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:38, skipping insertion in model container [2020-11-28 04:43:38,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:38" (1/1) ... [2020-11-28 04:43:38,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:38,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:42,026 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 04:43:42,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@712fcc8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:42, skipping insertion in model container [2020-11-28 04:43:42,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:42,027 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:43:42,031 INFO L168 Benchmark]: Toolchain (without parser) took 3959.77 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 59.4 MB in the beginning and 50.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:42,032 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 83.9 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:42,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3956.57 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 59.4 MB in the beginning and 50.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:42,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 83.9 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3956.57 ms. Allocated memory was 83.9 MB in the beginning and 113.2 MB in the end (delta: 29.4 MB). Free memory was 59.4 MB in the beginning and 50.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: 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... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:43:44,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:44,403 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:44,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:44,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:44,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:44,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:44,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:44,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:44,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:44,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:44,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:44,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:44,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:44,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:44,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:44,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:44,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:44,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:44,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:44,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:44,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:44,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:44,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:44,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:44,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:44,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:44,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:44,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:44,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:44,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:44,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:44,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:44,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:44,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:44,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:44,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:44,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:44,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:44,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:44,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:44,549 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-11-28 04:43:44,576 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:44,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:44,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:44,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:44,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:44,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:44,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:44,584 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:44,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:44,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:44,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:44,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:44,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:44,587 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:43:44,587 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:43:44,587 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:43:44,587 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:44,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:44,588 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:44,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:44,588 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:44,589 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:44,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:44,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:44,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:44,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:44,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:44,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:44,590 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:43:44,591 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:43:44,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:44,591 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:43:44,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:43:44,592 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2020-11-28 04:43:45,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:45,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:45,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:45,047 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:45,053 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:45,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-11-28 04:43:45,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/data/c4cf8d248/0856add114b44f34aecd3a86090b83ab/FLAG454c57248 [2020-11-28 04:43:46,093 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:46,094 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-11-28 04:43:46,145 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/data/c4cf8d248/0856add114b44f34aecd3a86090b83ab/FLAG454c57248 [2020-11-28 04:43:46,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_00c933b8-d074-4bd7-9fb9-1b53af156b66/bin/ukojak/data/c4cf8d248/0856add114b44f34aecd3a86090b83ab [2020-11-28 04:43:46,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:46,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:46,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:46,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:46,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:46,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:46" (1/1) ... [2020-11-28 04:43:46,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534bf1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:46, skipping insertion in model container [2020-11-28 04:43:46,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:46" (1/1) ... [2020-11-28 04:43:46,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:46,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:51,330 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-11-28 04:43:51,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@360ca714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:51, skipping insertion in model container [2020-11-28 04:43:51,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:51,332 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:43:51,334 INFO L168 Benchmark]: Toolchain (without parser) took 4797.32 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 33.1 MB in the beginning and 58.0 MB in the end (delta: -24.9 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:51,335 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 62.9 MB. Free memory was 45.5 MB in the beginning and 45.5 MB in the end (delta: 45.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:43:51,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4792.87 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 32.9 MB in the beginning and 58.0 MB in the end (delta: -25.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:43:51,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 62.9 MB. Free memory was 45.5 MB in the beginning and 45.5 MB in the end (delta: 45.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4792.87 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 32.9 MB in the beginning and 58.0 MB in the end (delta: -25.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: 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...