./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:43:15,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:43:15,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:43:15,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:43:15,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:43:15,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:43:15,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:43:15,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:43:15,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:43:15,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:43:15,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:43:15,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:43:15,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:43:15,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:43:15,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:43:15,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:43:15,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:43:15,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:43:15,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:43:15,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:43:15,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:43:15,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:43:15,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:43:15,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:43:15,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:43:15,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:43:15,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:43:15,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:43:15,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:43:15,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:43:15,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:43:15,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:43:15,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:43:15,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:43:15,975 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:43:15,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:43:15,976 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:43:15,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:43:15,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:43:15,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:43:15,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:43:15,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 06:43:16,035 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:43:16,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:43:16,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:43:16,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:43:16,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:43:16,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:43:16,040 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:43:16,041 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:43:16,041 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:43:16,041 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:43:16,042 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:43:16,043 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:43:16,043 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:43:16,043 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:43:16,044 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:43:16,044 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:43:16,044 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:43:16,045 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:43:16,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:43:16,046 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:43:16,046 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:43:16,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:43:16,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:43:16,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:43:16,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:43:16,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:43:16,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:43:16,048 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 06:43:16,048 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:43:16,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:43:16,049 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:43:16,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:43:16,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:43:16,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:43:16,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:43:16,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:43:16,051 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:43:16,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:43:16,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:43:16,052 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:43:16,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:43:16,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:43:16,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:43:16,053 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_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-11-19 06:43:16,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:43:16,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:43:16,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:43:16,416 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:43:16,417 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:43:16,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-19 06:43:16,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/data/68e1daa89/0589681d7d2545089bcdd5db1cd732c0/FLAG580287695 [2022-11-19 06:43:17,627 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:43:17,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-19 06:43:17,691 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/data/68e1daa89/0589681d7d2545089bcdd5db1cd732c0/FLAG580287695 [2022-11-19 06:43:17,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/data/68e1daa89/0589681d7d2545089bcdd5db1cd732c0 [2022-11-19 06:43:17,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:43:17,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:43:17,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:43:17,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:43:17,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:43:17,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:17,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79aab5e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:17, skipping insertion in model container [2022-11-19 06:43:17,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:43:17" (1/1) ... [2022-11-19 06:43:17,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:43:17,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:43:18,406 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-11-19 06:43:23,142 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-19 06:43:23,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@deecf09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:23, skipping insertion in model container [2022-11-19 06:43:23,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:43:23,143 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 06:43:23,157 INFO L158 Benchmark]: Toolchain (without parser) took 5428.16ms. Allocated memory was 107.0MB in the beginning and 148.9MB in the end (delta: 41.9MB). Free memory was 66.6MB in the beginning and 105.7MB in the end (delta: -39.1MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2022-11-19 06:43:23,158 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:43:23,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5425.04ms. Allocated memory was 107.0MB in the beginning and 148.9MB in the end (delta: 41.9MB). Free memory was 66.6MB in the beginning and 105.7MB in the end (delta: -39.1MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2022-11-19 06:43:23,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 107.0MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5425.04ms. Allocated memory was 107.0MB in the beginning and 148.9MB in the end (delta: 41.9MB). Free memory was 66.6MB in the beginning and 105.7MB in the end (delta: -39.1MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:43:25,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:43:25,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:43:25,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:43:25,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:43:25,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:43:25,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:43:25,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:43:25,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:43:25,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:43:25,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:43:25,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:43:25,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:43:25,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:43:25,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:43:25,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:43:25,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:43:25,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:43:25,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:43:25,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:43:25,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:43:25,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:43:25,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:43:25,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:43:25,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:43:25,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:43:25,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:43:25,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:43:25,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:43:25,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:43:25,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:43:25,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:43:25,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:43:25,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:43:25,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:43:25,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:43:25,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:43:25,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:43:25,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:43:25,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:43:25,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:43:25,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-11-19 06:43:25,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:43:25,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:43:25,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:43:25,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:43:25,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:43:25,689 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:43:25,689 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:43:25,689 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:43:25,690 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:43:25,690 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:43:25,691 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:43:25,691 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:43:25,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:43:25,693 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:43:25,693 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:43:25,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:43:25,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:43:25,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:43:25,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:43:25,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:43:25,695 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 06:43:25,695 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 06:43:25,695 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 06:43:25,695 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:43:25,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:43:25,696 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:43:25,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:43:25,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:43:25,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 06:43:25,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:43:25,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:43:25,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:43:25,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:43:25,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:43:25,698 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 06:43:25,698 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 06:43:25,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:43:25,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:43:25,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 06:43:25,700 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_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-11-19 06:43:26,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:43:26,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:43:26,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:43:26,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:43:26,159 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:43:26,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-19 06:43:26,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/data/5ba1c8b68/c60c0c680bd84a4fa79a194e33348cb9/FLAG5b88c1809 [2022-11-19 06:43:27,248 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:43:27,251 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-19 06:43:27,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/data/5ba1c8b68/c60c0c680bd84a4fa79a194e33348cb9/FLAG5b88c1809 [2022-11-19 06:43:27,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/bin/utaipan-I9t0OCRTmS/data/5ba1c8b68/c60c0c680bd84a4fa79a194e33348cb9 [2022-11-19 06:43:27,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:43:27,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:43:27,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:43:27,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:43:27,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:43:27,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:43:27" (1/1) ... [2022-11-19 06:43:27,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dad2410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:27, skipping insertion in model container [2022-11-19 06:43:27,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:43:27" (1/1) ... [2022-11-19 06:43:27,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:43:27,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:43:28,427 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06ddd09e-6243-468d-bffb-7c2d7f9b5640/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-11-19 06:43:32,069 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-19 06:43:32,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@786b9dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:43:32, skipping insertion in model container [2022-11-19 06:43:32,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:43:32,071 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 06:43:32,073 INFO L158 Benchmark]: Toolchain (without parser) took 4375.30ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 31.3MB in the beginning and 45.1MB in the end (delta: -13.8MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-11-19 06:43:32,075 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 60.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 06:43:32,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4372.09ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 31.1MB in the beginning and 45.4MB in the end (delta: -14.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-11-19 06:43:32,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 60.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4372.09ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 31.1MB in the beginning and 45.4MB in the end (delta: -14.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN