./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.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_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/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_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/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_b7c53704-4a81-4555-a1ba-62228bfd46ae/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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- 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 01:37:20,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:37:20,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:37:20,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:37:20,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:37:20,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:37:20,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:37:20,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:37:20,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:37:20,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:37:20,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:37:20,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:37:20,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:37:20,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:37:20,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:37:20,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:37:20,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:37:20,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:37:20,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:37:20,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:37:20,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:37:20,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:37:20,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:37:20,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:37:20,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:37:20,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:37:20,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:37:20,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:37:20,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:37:20,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:37:20,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:37:20,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:37:20,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:37:20,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:37:20,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:37:20,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:37:20,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:37:20,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:37:20,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:37:20,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:37:20,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:37:20,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-03 01:37:20,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:37:20,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:37:20,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:37:20,254 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:37:20,255 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:37:20,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:37:20,256 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:37:20,256 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:37:20,264 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:37:20,265 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:37:20,266 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:37:20,266 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:37:20,266 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:37:20,266 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:37:20,267 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:37:20,267 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:37:20,267 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:37:20,267 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:37:20,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:37:20,268 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:37:20,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:37:20,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:37:20,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:37:20,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:37:20,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:37:20,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:37:20,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:37:20,271 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 01:37:20,272 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:37:20,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:37:20,272 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:37:20,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:37:20,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:37:20,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:37:20,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:37:20,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:37:20,273 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:37:20,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:37:20,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:37:20,274 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:37:20,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:37:20,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:37:20,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:37:20,275 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_b7c53704-4a81-4555-a1ba-62228bfd46ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-11-03 01:37:20,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:37:20,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:37:20,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:37:20,646 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:37:20,650 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:37:20,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-03 01:37:20,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/data/ebc634ac1/df7e1f52fd7042d898090e05bac6319d/FLAGaef7b1857 [2022-11-03 01:37:21,565 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:37:21,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-03 01:37:21,635 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/data/ebc634ac1/df7e1f52fd7042d898090e05bac6319d/FLAGaef7b1857 [2022-11-03 01:37:22,100 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/data/ebc634ac1/df7e1f52fd7042d898090e05bac6319d [2022-11-03 01:37:22,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:37:22,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:37:22,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:37:22,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:37:22,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:37:22,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:37:22" (1/1) ... [2022-11-03 01:37:22,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10960e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:37:22, skipping insertion in model container [2022-11-03 01:37:22,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:37:22" (1/1) ... [2022-11-03 01:37:22,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:37:22,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:37:22,698 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_b7c53704-4a81-4555-a1ba-62228bfd46ae/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-11-03 01:37:26,770 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 01:37:26,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e7a864e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:37:26, skipping insertion in model container [2022-11-03 01:37:26,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:37:26,772 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:37:26,773 INFO L158 Benchmark]: Toolchain (without parser) took 4666.24ms. Allocated memory is still 100.7MB. Free memory was 72.6MB in the beginning and 41.7MB in the end (delta: 30.9MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2022-11-03 01:37:26,774 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:37:26,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4663.92ms. Allocated memory is still 100.7MB. Free memory was 72.3MB in the beginning and 41.7MB in the end (delta: 30.6MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2022-11-03 01:37:26,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 58.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4663.92ms. Allocated memory is still 100.7MB. Free memory was 72.3MB in the beginning and 41.7MB in the end (delta: 30.6MB). Peak memory consumption was 46.0MB. 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_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/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_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/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_b7c53704-4a81-4555-a1ba-62228bfd46ae/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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- 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 01:37:28,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:37:28,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:37:28,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:37:28,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:37:29,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:37:29,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:37:29,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:37:29,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:37:29,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:37:29,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:37:29,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:37:29,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:37:29,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:37:29,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:37:29,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:37:29,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:37:29,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:37:29,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:37:29,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:37:29,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:37:29,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:37:29,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:37:29,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:37:29,028 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:37:29,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:37:29,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:37:29,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:37:29,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:37:29,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:37:29,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:37:29,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:37:29,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:37:29,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:37:29,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:37:29,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:37:29,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:37:29,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:37:29,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:37:29,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:37:29,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:37:29,044 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-11-03 01:37:29,078 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:37:29,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:37:29,084 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:37:29,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:37:29,085 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:37:29,085 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:37:29,085 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:37:29,086 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:37:29,086 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:37:29,086 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:37:29,087 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:37:29,087 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:37:29,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:37:29,089 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:37:29,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:37:29,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:37:29,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:37:29,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:37:29,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:37:29,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:37:29,091 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-03 01:37:29,091 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 01:37:29,091 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 01:37:29,091 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:37:29,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:37:29,092 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:37:29,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:37:29,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:37:29,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 01:37:29,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:37:29,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:37:29,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:37:29,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:37:29,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:37:29,094 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 01:37:29,094 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 01:37:29,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:37:29,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:37:29,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 01:37:29,095 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_b7c53704-4a81-4555-a1ba-62228bfd46ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-11-03 01:37:29,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:37:29,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:37:29,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:37:29,521 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:37:29,522 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:37:29,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-03 01:37:29,604 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/data/5bdd0f2fa/b398632881024a119469668b1033b660/FLAGd1ccd8ff0 [2022-11-03 01:37:30,539 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:37:30,540 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-11-03 01:37:30,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/data/5bdd0f2fa/b398632881024a119469668b1033b660/FLAGd1ccd8ff0 [2022-11-03 01:37:31,034 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c53704-4a81-4555-a1ba-62228bfd46ae/bin/utaipan-7li7fVZpFI/data/5bdd0f2fa/b398632881024a119469668b1033b660 [2022-11-03 01:37:31,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:37:31,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:37:31,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:37:31,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:37:31,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:37:31,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:37:31" (1/1) ... [2022-11-03 01:37:31,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d76066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:37:31, skipping insertion in model container [2022-11-03 01:37:31,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:37:31" (1/1) ... [2022-11-03 01:37:31,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:37:31,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:37:31,631 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_b7c53704-4a81-4555-a1ba-62228bfd46ae/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-11-03 01:37:34,994 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-11-03 01:37:34,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1654df21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:37:34, skipping insertion in model container [2022-11-03 01:37:34,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:37:34,995 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:37:34,997 INFO L158 Benchmark]: Toolchain (without parser) took 3955.74ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 31.3MB in the beginning and 40.9MB in the end (delta: -9.6MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-11-03 01:37:34,998 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory was 44.0MB in the beginning and 44.0MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:37:34,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3953.72ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 31.2MB in the beginning and 40.9MB in the end (delta: -9.7MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-11-03 01:37:35,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory was 44.0MB in the beginning and 44.0MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3953.72ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 31.2MB in the beginning and 40.9MB in the end (delta: -9.7MB). Peak memory consumption was 27.1MB. 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