./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI --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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- 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-5e519f3 [2022-11-03 03:42:01,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:42:01,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:42:01,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:42:01,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:42:01,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:42:01,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:42:01,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:42:01,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:42:01,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:42:01,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:42:01,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:42:01,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:42:01,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:42:01,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:42:01,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:42:01,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:42:01,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:42:01,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:42:01,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:42:01,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:42:01,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:42:01,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:42:01,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:42:01,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:42:01,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:42:01,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:42:01,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:42:01,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:42:01,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:42:01,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:42:01,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:42:01,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:42:01,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:42:01,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:42:01,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:42:01,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:42:01,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:42:01,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:42:01,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:42:01,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:42:01,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 03:42:01,521 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:42:01,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:42:01,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:42:01,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:42:01,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:42:01,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:42:01,524 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:42:01,524 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:42:01,524 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:42:01,524 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:42:01,525 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:42:01,526 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:42:01,526 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:42:01,526 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:42:01,526 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:42:01,527 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:42:01,527 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:42:01,527 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:42:01,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:42:01,528 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:42:01,529 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:42:01,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:42:01,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:42:01,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:42:01,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:42:01,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:42:01,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:42:01,532 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 03:42:01,532 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:42:01,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:42:01,532 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:42:01,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:42:01,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:42:01,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:42:01,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:42:01,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:42:01,534 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:42:01,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:42:01,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:42:01,535 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:42:01,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:42:01,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:42:01,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:42:01,542 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_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-11-03 03:42:01,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:42:01,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:42:01,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:42:01,841 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:42:01,842 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:42:01,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-03 03:42:01,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/data/1231d4193/d2a4ca430ed541d588ca3942ec2e3d53/FLAGe8b92f795 [2022-11-03 03:42:02,822 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:42:02,823 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-03 03:42:02,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/data/1231d4193/d2a4ca430ed541d588ca3942ec2e3d53/FLAGe8b92f795 [2022-11-03 03:42:03,310 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/data/1231d4193/d2a4ca430ed541d588ca3942ec2e3d53 [2022-11-03 03:42:03,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:42:03,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:42:03,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:42:03,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:42:03,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:42:03,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:03" (1/1) ... [2022-11-03 03:42:03,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e188f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:03, skipping insertion in model container [2022-11-03 03:42:03,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:03" (1/1) ... [2022-11-03 03:42:03,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:42:03,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:42:03,909 WARN L230 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_5a8a10dd-8036-48fc-8122-8f92647008a1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-11-03 03:42:07,655 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 03:42:07,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64845aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:07, skipping insertion in model container [2022-11-03 03:42:07,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:42:07,656 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 03:42:07,658 INFO L158 Benchmark]: Toolchain (without parser) took 4341.47ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 65.3MB in the beginning and 73.0MB in the end (delta: -7.7MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-11-03 03:42:07,659 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:42:07,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4336.21ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 65.0MB in the beginning and 73.0MB in the end (delta: -8.1MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-11-03 03:42:07,661 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 100.7MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4336.21ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 65.0MB in the beginning and 73.0MB in the end (delta: -8.1MB). Peak memory consumption was 39.2MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI --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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- 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-5e519f3 [2022-11-03 03:42:10,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:42:10,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:42:10,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:42:10,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:42:10,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:42:10,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:42:10,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:42:10,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:42:10,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:42:10,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:42:10,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:42:10,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:42:10,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:42:10,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:42:10,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:42:10,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:42:10,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:42:10,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:42:10,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:42:10,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:42:10,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:42:10,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:42:10,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:42:10,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:42:10,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:42:10,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:42:10,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:42:10,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:42:10,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:42:10,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:42:10,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:42:10,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:42:10,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:42:10,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:42:10,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:42:10,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:42:10,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:42:10,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:42:10,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:42:10,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:42:10,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-11-03 03:42:10,341 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:42:10,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:42:10,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:42:10,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:42:10,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:42:10,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:42:10,345 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:42:10,345 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:42:10,345 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:42:10,345 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:42:10,346 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:42:10,347 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:42:10,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:42:10,348 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:42:10,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:42:10,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:42:10,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:42:10,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:42:10,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:42:10,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:42:10,350 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 03:42:10,350 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 03:42:10,350 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 03:42:10,350 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:42:10,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:42:10,351 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:42:10,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:42:10,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:42:10,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 03:42:10,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:42:10,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:42:10,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:42:10,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:42:10,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:42:10,353 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 03:42:10,353 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 03:42:10,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:42:10,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:42:10,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 03:42:10,354 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_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-11-03 03:42:10,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:42:10,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:42:10,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:42:10,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:42:10,786 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:42:10,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-03 03:42:10,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/data/52ef314db/d48c1b083c314923886a254163c3546b/FLAG14804c2d3 [2022-11-03 03:42:11,941 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:42:11,942 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-03 03:42:11,985 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/data/52ef314db/d48c1b083c314923886a254163c3546b/FLAG14804c2d3 [2022-11-03 03:42:12,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a8a10dd-8036-48fc-8122-8f92647008a1/bin/utaipan-7li7fVZpFI/data/52ef314db/d48c1b083c314923886a254163c3546b [2022-11-03 03:42:12,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:42:12,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:42:12,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:42:12,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:42:12,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:42:12,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:12" (1/1) ... [2022-11-03 03:42:12,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f7229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:12, skipping insertion in model container [2022-11-03 03:42:12,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:12" (1/1) ... [2022-11-03 03:42:12,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:42:12,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:42:12,939 WARN L230 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_5a8a10dd-8036-48fc-8122-8f92647008a1/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-11-03 03:42:18,138 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 03:42:18,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79e773fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:18, skipping insertion in model container [2022-11-03 03:42:18,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:42:18,140 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 03:42:18,142 INFO L158 Benchmark]: Toolchain (without parser) took 5820.03ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 33.5MB in the beginning and 45.7MB in the end (delta: -12.2MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-11-03 03:42:18,143 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory is still 34.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:42:18,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5816.88ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 33.3MB in the beginning and 45.7MB in the end (delta: -12.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-11-03 03:42:18,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory is still 34.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5816.88ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 33.3MB in the beginning and 45.7MB in the end (delta: -12.4MB). Peak memory consumption was 20.3MB. 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