./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_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.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_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc --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 Automizer --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 [2022-11-02 20:57:57,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:57:57,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:57:57,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:57:57,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:57:57,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:57:57,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:57:57,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:57:57,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:57:57,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:57:57,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:57:57,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:57:57,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:57:57,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:57:57,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:57:57,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:57:57,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:57:57,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:57:58,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:57:58,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:57:58,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:57:58,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:57:58,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:57:58,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:57:58,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:57:58,028 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:57:58,028 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:57:58,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:57:58,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:57:58,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:57:58,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:57:58,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:57:58,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:57:58,038 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:57:58,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:57:58,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:57:58,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:57:58,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:57:58,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:57:58,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:57:58,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:57:58,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:57:58,094 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:57:58,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:57:58,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:57:58,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:57:58,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:57:58,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:57:58,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:57:58,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:57:58,098 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:57:58,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:57:58,099 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:57:58,100 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:57:58,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:57:58,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:57:58,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:57:58,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:57:58,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:57:58,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:57:58,101 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:57:58,102 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:57:58,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:57:58,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:57:58,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:57:58,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:57:58,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:57:58,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:57:58,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:57:58,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:57:58,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:57:58,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:57:58,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:57:58,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:57:58,105 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:57:58,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:57:58,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:57:58,106 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_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-02 20:57:58,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:57:58,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:57:58,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:57:58,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:57:58,409 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:57:58,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-02 20:57:58,485 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/data/8127360aa/47e27cb09ee244ff9b254051982f664f/FLAG84bc15572 [2022-11-02 20:57:59,475 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:57:59,476 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-02 20:57:59,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/data/8127360aa/47e27cb09ee244ff9b254051982f664f/FLAG84bc15572 [2022-11-02 20:57:59,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/data/8127360aa/47e27cb09ee244ff9b254051982f664f [2022-11-02 20:57:59,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:57:59,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:57:59,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:57:59,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:57:59,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:57:59,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:57:59" (1/1) ... [2022-11-02 20:57:59,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c64d810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:59, skipping insertion in model container [2022-11-02 20:57:59,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:57:59" (1/1) ... [2022-11-02 20:57:59,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:57:59,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:58:00,480 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_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-02 20:58:05,125 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-02 20:58:05,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2257ce30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:05, skipping insertion in model container [2022-11-02 20:58:05,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:05,127 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-02 20:58:05,128 INFO L158 Benchmark]: Toolchain (without parser) took 5248.82ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 56.9MB in the beginning and 60.6MB in the end (delta: -3.7MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2022-11-02 20:58:05,129 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:58:05,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5246.45ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 56.7MB in the beginning and 60.6MB in the end (delta: -3.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2022-11-02 20:58:05,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 64.8MB in the beginning and 64.8MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5246.45ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 56.7MB in the beginning and 60.6MB in the end (delta: -3.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.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_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc --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 Automizer --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 [2022-11-02 20:58:07,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:58:07,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:58:07,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:58:07,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:58:07,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:58:07,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:58:07,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:58:07,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:58:07,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:58:07,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:58:07,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:58:07,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:58:07,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:58:07,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:58:07,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:58:07,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:58:07,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:58:07,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:58:07,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:58:07,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:58:07,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:58:07,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:58:07,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:58:07,267 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:58:07,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:58:07,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:58:07,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:58:07,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:58:07,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:58:07,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:58:07,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:58:07,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:58:07,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:58:07,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:58:07,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:58:07,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:58:07,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:58:07,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:58:07,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:58:07,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:58:07,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2022-11-02 20:58:07,323 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:58:07,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:58:07,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:58:07,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:58:07,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:58:07,325 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:58:07,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:58:07,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:58:07,326 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:58:07,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:58:07,327 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:58:07,327 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:58:07,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:58:07,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:58:07,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:58:07,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:58:07,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:58:07,328 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:58:07,329 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:58:07,329 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:58:07,329 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:58:07,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:58:07,330 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:58:07,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:58:07,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:58:07,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:58:07,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:58:07,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:58:07,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:58:07,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:58:07,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:58:07,332 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:58:07,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:58:07,332 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:58:07,332 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:58:07,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:58:07,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:58:07,333 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_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-11-02 20:58:07,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:58:07,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:58:07,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:58:07,710 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:58:07,712 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:58:07,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-02 20:58:07,797 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/data/6e227cc67/26902e3753e54f8a84380fbd15e5944a/FLAGd7857c2c2 [2022-11-02 20:58:08,699 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:58:08,700 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-11-02 20:58:08,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/data/6e227cc67/26902e3753e54f8a84380fbd15e5944a/FLAGd7857c2c2 [2022-11-02 20:58:09,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/bin/uautomizer-Dbtcem3rbc/data/6e227cc67/26902e3753e54f8a84380fbd15e5944a [2022-11-02 20:58:09,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:58:09,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:58:09,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:09,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:58:09,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:58:09,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:09" (1/1) ... [2022-11-02 20:58:09,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d362602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:09, skipping insertion in model container [2022-11-02 20:58:09,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:09" (1/1) ... [2022-11-02 20:58:09,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:58:09,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:58:09,793 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_13c1495b-3591-4e23-bfcf-0e5b9bf8d5d7/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-11-02 20:58:12,954 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-02 20:58:12,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@489c4ea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:12, skipping insertion in model container [2022-11-02 20:58:12,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:58:12,955 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-02 20:58:12,957 INFO L158 Benchmark]: Toolchain (without parser) took 3695.42ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 59.5MB in the beginning and 57.7MB in the end (delta: 1.8MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-11-02 20:58:12,958 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 78.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:58:12,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3692.50ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 59.3MB in the beginning and 58.1MB in the end (delta: 1.1MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-11-02 20:58:12,961 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 65.8MB in the beginning and 65.7MB in the end (delta: 78.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3692.50ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 59.3MB in the beginning and 58.1MB in the end (delta: 1.1MB). Peak memory consumption was 32.9MB. 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