./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 8393723b 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_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/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_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/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_ea875fd1-2151-4825-a7bb-6bd6326f1fff/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_ea875fd1-2151-4825-a7bb-6bd6326f1fff/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 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-8393723 [2022-11-19 07:01:15,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:01:15,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:01:15,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:01:15,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:01:15,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:01:15,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:01:15,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:01:15,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:01:15,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:01:15,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:01:15,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:01:15,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:01:15,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:01:15,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:01:15,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:01:15,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:01:15,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:01:15,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:01:15,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:01:15,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:01:15,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:01:15,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:01:15,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:01:15,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:01:15,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:01:15,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:01:15,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:01:15,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:01:15,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:01:15,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:01:15,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:01:15,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:01:15,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:01:15,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:01:15,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:01:15,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:01:15,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:01:15,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:01:15,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:01:15,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:01:15,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 07:01:15,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:01:15,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:01:15,898 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:01:15,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:01:15,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:01:15,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:01:15,900 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:01:15,900 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:01:15,900 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:01:15,900 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:01:15,901 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:01:15,901 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:01:15,902 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:01:15,902 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:01:15,902 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:01:15,902 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:01:15,902 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:01:15,903 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:01:15,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:01:15,904 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:01:15,904 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:01:15,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:01:15,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:01:15,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:01:15,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:01:15,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:01:15,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:01:15,907 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:01:15,907 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:01:15,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:01:15,907 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:01:15,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:01:15,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:01:15,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:01:15,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:01:15,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:01:15,909 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:01:15,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:01:15,910 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:01:15,910 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:01:15,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:01:15,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:01:15,910 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:01:15,911 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_ea875fd1-2151-4825-a7bb-6bd6326f1fff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-11-19 07:01:16,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:01:16,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:01:16,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:01:16,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:01:16,233 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:01:16,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-19 07:01:16,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/data/f2816543e/e13c30d4668047fc89071123b5fe5f9b/FLAGffca2df2c [2022-11-19 07:01:17,236 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:01:17,237 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-19 07:01:17,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/data/f2816543e/e13c30d4668047fc89071123b5fe5f9b/FLAGffca2df2c [2022-11-19 07:01:17,706 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/data/f2816543e/e13c30d4668047fc89071123b5fe5f9b [2022-11-19 07:01:17,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:01:17,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:01:17,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:01:17,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:01:17,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:01:17,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:01:17" (1/1) ... [2022-11-19 07:01:17,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f86b6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:17, skipping insertion in model container [2022-11-19 07:01:17,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:01:17" (1/1) ... [2022-11-19 07:01:17,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:01:17,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:01:18,319 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_ea875fd1-2151-4825-a7bb-6bd6326f1fff/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-11-19 07:01:21,862 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-19 07:01:21,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@367fb0bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:21, skipping insertion in model container [2022-11-19 07:01:21,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:01:21,864 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:01:21,866 INFO L158 Benchmark]: Toolchain (without parser) took 4154.00ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 77.2MB in the beginning and 134.4MB in the end (delta: -57.2MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-11-19 07:01:21,867 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:01:21,869 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4147.90ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 77.0MB in the beginning and 134.4MB in the end (delta: -57.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-11-19 07:01:21,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4147.90ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 77.0MB in the beginning and 134.4MB in the end (delta: -57.4MB). Peak memory consumption was 21.7MB. 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_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/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_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/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_ea875fd1-2151-4825-a7bb-6bd6326f1fff/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_ea875fd1-2151-4825-a7bb-6bd6326f1fff/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 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-8393723 [2022-11-19 07:01:23,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:01:23,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:01:24,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:01:24,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:01:24,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:01:24,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:01:24,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:01:24,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:01:24,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:01:24,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:01:24,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:01:24,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:01:24,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:01:24,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:01:24,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:01:24,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:01:24,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:01:24,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:01:24,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:01:24,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:01:24,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:01:24,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:01:24,042 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:01:24,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:01:24,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:01:24,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:01:24,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:01:24,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:01:24,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:01:24,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:01:24,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:01:24,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:01:24,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:01:24,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:01:24,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:01:24,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:01:24,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:01:24,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:01:24,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:01:24,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:01:24,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-11-19 07:01:24,107 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:01:24,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:01:24,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:01:24,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:01:24,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:01:24,114 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:01:24,114 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:01:24,114 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:01:24,115 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:01:24,115 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:01:24,116 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:01:24,116 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:01:24,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:01:24,118 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:01:24,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:01:24,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:01:24,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:01:24,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:01:24,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:01:24,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:01:24,120 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:01:24,120 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:01:24,120 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:01:24,120 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:01:24,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:01:24,121 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:01:24,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:01:24,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:01:24,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:01:24,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:01:24,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:01:24,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:01:24,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:01:24,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:01:24,123 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:01:24,123 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:01:24,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:01:24,124 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:01:24,124 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:01:24,124 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_ea875fd1-2151-4825-a7bb-6bd6326f1fff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-11-19 07:01:24,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:01:24,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:01:24,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:01:24,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:01:24,557 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:01:24,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-19 07:01:24,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/data/b0384e5a2/b0e166dd62534befb88dd3f81036e25d/FLAG965110502 [2022-11-19 07:01:25,629 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:01:25,629 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-11-19 07:01:25,671 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/data/b0384e5a2/b0e166dd62534befb88dd3f81036e25d/FLAG965110502 [2022-11-19 07:01:25,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea875fd1-2151-4825-a7bb-6bd6326f1fff/bin/utaipan-I9t0OCRTmS/data/b0384e5a2/b0e166dd62534befb88dd3f81036e25d [2022-11-19 07:01:25,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:01:25,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:01:25,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:01:25,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:01:25,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:01:25,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:01:25" (1/1) ... [2022-11-19 07:01:25,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e355948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:25, skipping insertion in model container [2022-11-19 07:01:25,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:01:25" (1/1) ... [2022-11-19 07:01:25,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:01:25,831 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:01:26,281 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_ea875fd1-2151-4825-a7bb-6bd6326f1fff/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-11-19 07:01:30,090 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-19 07:01:30,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e9571ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:01:30, skipping insertion in model container [2022-11-19 07:01:30,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:01:30,092 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:01:30,094 INFO L158 Benchmark]: Toolchain (without parser) took 4399.99ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 40.0MB in the beginning and 57.9MB in the end (delta: -17.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-11-19 07:01:30,096 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory was 50.9MB in the beginning and 50.8MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:01:30,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4395.03ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 39.7MB in the beginning and 57.9MB in the end (delta: -18.2MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-11-19 07:01:30,103 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory was 50.9MB in the beginning and 50.8MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4395.03ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 39.7MB in the beginning and 57.9MB in the end (delta: -18.2MB). Peak memory consumption was 28.5MB. 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