./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/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_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/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_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:25:33,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:25:33,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:25:33,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:25:33,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:25:33,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:25:33,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:25:33,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:25:33,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:25:33,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:25:33,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:25:33,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:25:33,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:25:33,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:25:33,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:25:33,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:25:33,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:25:33,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:25:33,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:25:33,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:25:33,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:25:33,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:25:33,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:25:33,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:25:33,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:25:33,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:25:33,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:25:33,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:25:33,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:25:33,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:25:33,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:25:33,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:25:33,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:25:33,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:25:33,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:25:33,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:25:33,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:25:33,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:25:33,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:25:33,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:25:33,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:25:33,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 02:25:34,034 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:25:34,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:25:34,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:25:34,036 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:25:34,036 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:25:34,037 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:25:34,037 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:25:34,037 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:25:34,037 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:25:34,038 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:25:34,039 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:25:34,039 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:25:34,039 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:25:34,039 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:25:34,040 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:25:34,040 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:25:34,040 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:25:34,040 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:25:34,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:25:34,042 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:25:34,042 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:25:34,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:25:34,042 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:25:34,043 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:25:34,043 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:25:34,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:25:34,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:25:34,044 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:25:34,044 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:25:34,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:25:34,044 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:25:34,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:25:34,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:25:34,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:25:34,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:25:34,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:25:34,046 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:25:34,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:25:34,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:25:34,047 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:25:34,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:25:34,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:25:34,048 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:25:34,048 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_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-11-03 02:25:34,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:25:34,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:25:34,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:25:34,341 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:25:34,347 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:25:34,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-03 02:25:34,426 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/data/0e9da0e06/95a4a7ec80cf4e98b2069077bae52aa2/FLAG2a40cda87 [2022-11-03 02:25:35,360 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:25:35,361 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-03 02:25:35,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/data/0e9da0e06/95a4a7ec80cf4e98b2069077bae52aa2/FLAG2a40cda87 [2022-11-03 02:25:35,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/data/0e9da0e06/95a4a7ec80cf4e98b2069077bae52aa2 [2022-11-03 02:25:35,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:25:35,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:25:35,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:25:35,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:25:35,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:25:35,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:25:35" (1/1) ... [2022-11-03 02:25:35,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624b78e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:35, skipping insertion in model container [2022-11-03 02:25:35,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:25:35" (1/1) ... [2022-11-03 02:25:35,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:25:36,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:25:36,425 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_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-11-03 02:25:39,887 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 02:25:39,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28feb013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:39, skipping insertion in model container [2022-11-03 02:25:39,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:25:39,888 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:25:39,890 INFO L158 Benchmark]: Toolchain (without parser) took 4034.80ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 61.6MB in the beginning and 104.2MB in the end (delta: -42.6MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2022-11-03 02:25:39,893 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:25:39,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4032.03ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 61.4MB in the beginning and 104.2MB in the end (delta: -42.8MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2022-11-03 02:25:39,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4032.03ms. Allocated memory was 102.8MB in the beginning and 144.7MB in the end (delta: 41.9MB). Free memory was 61.4MB in the beginning and 104.2MB in the end (delta: -42.8MB). Peak memory consumption was 34.5MB. 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 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_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/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_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/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_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:25:42,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:25:42,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:25:42,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:25:42,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:25:42,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:25:42,188 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:25:42,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:25:42,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:25:42,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:25:42,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:25:42,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:25:42,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:25:42,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:25:42,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:25:42,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:25:42,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:25:42,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:25:42,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:25:42,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:25:42,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:25:42,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:25:42,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:25:42,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:25:42,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:25:42,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:25:42,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:25:42,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:25:42,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:25:42,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:25:42,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:25:42,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:25:42,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:25:42,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:25:42,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:25:42,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:25:42,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:25:42,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:25:42,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:25:42,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:25:42,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:25:42,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-11-03 02:25:42,307 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:25:42,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:25:42,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:25:42,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:25:42,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:25:42,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:25:42,311 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:25:42,312 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:25:42,312 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:25:42,312 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:25:42,313 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:25:42,314 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:25:42,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:25:42,315 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:25:42,316 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 02:25:42,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:25:42,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:25:42,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:25:42,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:25:42,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:25:42,317 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 02:25:42,317 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:25:42,318 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:25:42,318 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:25:42,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:25:42,319 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:25:42,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:25:42,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:25:42,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:25:42,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:25:42,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:25:42,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:25:42,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:25:42,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:25:42,322 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:25:42,322 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:25:42,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:25:42,323 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:25:42,323 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:25:42,323 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_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2022-11-03 02:25:42,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:25:42,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:25:42,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:25:42,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:25:42,769 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:25:42,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-03 02:25:42,847 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/data/d105b762d/18870da4a69f46fba65f2fb2664b3466/FLAGdc21c3df6 [2022-11-03 02:25:43,756 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:25:43,757 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2022-11-03 02:25:43,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/data/d105b762d/18870da4a69f46fba65f2fb2664b3466/FLAGdc21c3df6 [2022-11-03 02:25:44,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/bin/utaipan-7li7fVZpFI/data/d105b762d/18870da4a69f46fba65f2fb2664b3466 [2022-11-03 02:25:44,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:25:44,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:25:44,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:25:44,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:25:44,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:25:44,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:25:44" (1/1) ... [2022-11-03 02:25:44,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6213d447 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:44, skipping insertion in model container [2022-11-03 02:25:44,270 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:25:44" (1/1) ... [2022-11-03 02:25:44,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:25:44,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:25:44,848 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_10d3037f-e0d9-4fc9-bab5-9e0f1dd83655/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2022-11-03 02:25:49,313 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 02:25:49,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@681dd526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:25:49, skipping insertion in model container [2022-11-03 02:25:49,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:25:49,330 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 02:25:49,332 INFO L158 Benchmark]: Toolchain (without parser) took 5071.56ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 38.9MB in the beginning and 43.8MB in the end (delta: -5.0MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-11-03 02:25:49,333 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:25:49,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5067.82ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 38.5MB in the beginning and 43.8MB in the end (delta: -5.3MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-11-03 02:25:49,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5067.82ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 38.5MB in the beginning and 43.8MB in the end (delta: -5.3MB). Peak memory consumption was 37.2MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN