./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/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_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/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_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- 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 03:29:25,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:29:25,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:29:26,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:29:26,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:29:26,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:29:26,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:29:26,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:29:26,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:29:26,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:29:26,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:29:26,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:29:26,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:29:26,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:29:26,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:29:26,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:29:26,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:29:26,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:29:26,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:29:26,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:29:26,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:29:26,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:29:26,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:29:26,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:29:26,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:29:26,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:29:26,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:29:26,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:29:26,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:29:26,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:29:26,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:29:26,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:29:26,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:29:26,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:29:26,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:29:26,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:29:26,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:29:26,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:29:26,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:29:26,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:29:26,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:29:26,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 03:29:26,113 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:29:26,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:29:26,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:29:26,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:29:26,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:29:26,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:29:26,121 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:29:26,121 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:29:26,121 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:29:26,121 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:29:26,122 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:29:26,123 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:29:26,123 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:29:26,123 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:29:26,123 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:29:26,123 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:29:26,124 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:29:26,124 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:29:26,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:29:26,125 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:29:26,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:29:26,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:29:26,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:29:26,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:29:26,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:29:26,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:29:26,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:29:26,129 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 03:29:26,129 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:29:26,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:29:26,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:29:26,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:29:26,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:29:26,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:29:26,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:26,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:29:26,131 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:29:26,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:29:26,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:29:26,131 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:29:26,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:29:26,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:29:26,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:29:26,132 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_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-03 03:29:26,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:29:26,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:29:26,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:29:26,437 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:29:26,437 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:29:26,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-03 03:29:26,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/data/9df39eebc/ae5571da65ac49aab26b999116027300/FLAGa5b83d303 [2022-11-03 03:29:27,444 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:29:27,446 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-03 03:29:27,504 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/data/9df39eebc/ae5571da65ac49aab26b999116027300/FLAGa5b83d303 [2022-11-03 03:29:27,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/data/9df39eebc/ae5571da65ac49aab26b999116027300 [2022-11-03 03:29:28,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:29:28,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:29:28,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:28,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:29:28,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:29:28,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:28" (1/1) ... [2022-11-03 03:29:28,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276ea60f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:28, skipping insertion in model container [2022-11-03 03:29:28,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:28" (1/1) ... [2022-11-03 03:29:28,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:29:28,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:29:28,594 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_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-03 03:29:31,772 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 03:29:31,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2dd3a518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:31, skipping insertion in model container [2022-11-03 03:29:31,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:31,774 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 03:29:31,776 INFO L158 Benchmark]: Toolchain (without parser) took 3772.57ms. Allocated memory is still 121.6MB. Free memory was 75.9MB in the beginning and 79.4MB in the end (delta: -3.4MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-11-03 03:29:31,777 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:29:31,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3767.59ms. Allocated memory is still 121.6MB. Free memory was 75.6MB in the beginning and 79.4MB in the end (delta: -3.8MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2022-11-03 03:29:31,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3767.59ms. Allocated memory is still 121.6MB. Free memory was 75.6MB in the beginning and 79.4MB in the end (delta: -3.8MB). Peak memory consumption was 23.2MB. 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_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/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_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/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_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- 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 03:29:33,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:29:33,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:29:33,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:29:33,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:29:33,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:29:33,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:29:33,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:29:33,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:29:33,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:29:33,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:29:33,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:29:33,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:29:33,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:29:33,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:29:33,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:29:33,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:29:33,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:29:33,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:29:33,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:29:33,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:29:33,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:29:33,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:29:33,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:29:33,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:29:33,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:29:33,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:29:33,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:29:33,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:29:33,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:29:33,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:29:33,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:29:33,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:29:33,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:29:33,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:29:33,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:29:33,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:29:33,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:29:33,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:29:33,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:29:33,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:29:33,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-11-03 03:29:34,026 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:29:34,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:29:34,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:29:34,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:29:34,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:29:34,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:29:34,028 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:29:34,029 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:29:34,031 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:29:34,031 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:29:34,031 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:29:34,032 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:29:34,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:29:34,036 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:29:34,037 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 03:29:34,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:29:34,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:29:34,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:29:34,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:29:34,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:29:34,038 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 03:29:34,038 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 03:29:34,038 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 03:29:34,039 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:29:34,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:29:34,039 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:29:34,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:29:34,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:29:34,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 03:29:34,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:29:34,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:34,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:29:34,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:29:34,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:29:34,042 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 03:29:34,042 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 03:29:34,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:29:34,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:29:34,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 03:29:34,043 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_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-03 03:29:34,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:29:34,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:29:34,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:29:34,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:29:34,442 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:29:34,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-03 03:29:34,518 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/data/b155e6e66/fc2faf2a577544fba7638886b13fe52a/FLAG6f11508ec [2022-11-03 03:29:35,330 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:29:35,333 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-03 03:29:35,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/data/b155e6e66/fc2faf2a577544fba7638886b13fe52a/FLAG6f11508ec [2022-11-03 03:29:35,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/bin/utaipan-7li7fVZpFI/data/b155e6e66/fc2faf2a577544fba7638886b13fe52a [2022-11-03 03:29:35,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:29:35,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:29:35,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:35,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:29:35,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:29:35,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:35" (1/1) ... [2022-11-03 03:29:35,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2953575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:35, skipping insertion in model container [2022-11-03 03:29:35,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:35" (1/1) ... [2022-11-03 03:29:35,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:29:35,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:29:36,379 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_dc20e199-a9fd-4e4f-a876-f3200dc3d80d/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-03 03:29:39,505 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 03:29:39,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50354e8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:39, skipping insertion in model container [2022-11-03 03:29:39,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:39,507 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 03:29:39,509 INFO L158 Benchmark]: Toolchain (without parser) took 3677.51ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 51.6MB in the beginning and 81.4MB in the end (delta: -29.9MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2022-11-03 03:29:39,509 INFO L158 Benchmark]: CDTParser took 4.91ms. Allocated memory is still 52.4MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:29:39,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3674.96ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 51.3MB in the beginning and 81.4MB in the end (delta: -30.1MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2022-11-03 03:29:39,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.91ms. Allocated memory is still 52.4MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3674.96ms. Allocated memory was 83.9MB in the beginning and 113.2MB in the end (delta: 29.4MB). Free memory was 51.3MB in the beginning and 81.4MB in the end (delta: -30.1MB). Peak memory consumption was 31.7MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN