./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 15:54:49,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 15:54:49,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 15:54:49,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 15:54:49,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 15:54:49,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 15:54:49,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 15:54:49,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 15:54:49,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 15:54:49,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 15:54:49,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 15:54:49,903 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 15:54:49,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 15:54:49,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 15:54:49,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 15:54:49,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 15:54:49,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 15:54:49,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 15:54:49,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 15:54:49,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 15:54:49,915 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 15:54:49,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 15:54:49,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 15:54:49,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 15:54:49,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 15:54:49,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 15:54:49,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 15:54:49,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 15:54:49,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 15:54:49,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 15:54:49,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 15:54:49,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 15:54:49,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 15:54:49,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 15:54:49,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 15:54:49,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 15:54:49,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 15:54:49,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 15:54:49,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 15:54:49,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 15:54:49,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 15:54:49,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 15:54:49,936 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-04-18 15:54:49,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 15:54:49,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 15:54:49,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 15:54:49,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 15:54:49,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 15:54:49,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 15:54:49,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 15:54:49,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 15:54:49,966 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 15:54:49,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 15:54:49,967 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 15:54:49,967 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 15:54:49,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 15:54:49,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 15:54:49,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 15:54:49,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 15:54:49,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 15:54:49,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 15:54:49,968 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 15:54:49,970 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 15:54:49,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 15:54:49,970 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 15:54:49,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 15:54:49,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 15:54:49,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 15:54:49,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 15:54:49,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:54:49,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 15:54:49,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 15:54:49,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 15:54:49,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-18 15:54:49,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 15:54:49,972 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 15:54:49,972 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 15:54:49,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 15:54:49,973 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-04-18 15:54:50,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 15:54:50,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 15:54:50,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 15:54:50,244 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 15:54:50,244 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 15:54:50,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-04-18 15:54:50,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc756514/de8a1c66437043c38f4d03c6bae0a73a/FLAGcbc7f0e7e [2022-04-18 15:54:51,088 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 15:54:51,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-04-18 15:54:51,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc756514/de8a1c66437043c38f4d03c6bae0a73a/FLAGcbc7f0e7e [2022-04-18 15:54:51,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc756514/de8a1c66437043c38f4d03c6bae0a73a [2022-04-18 15:54:51,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 15:54:51,309 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 15:54:51,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 15:54:51,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 15:54:51,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 15:54:51,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:54:51" (1/1) ... [2022-04-18 15:54:51,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247cfd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:51, skipping insertion in model container [2022-04-18 15:54:51,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:54:51" (1/1) ... [2022-04-18 15:54:51,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 15:54:51,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 15:54:51,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-04-18 15:54:55,422 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 15:54:55,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33af1a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:55, skipping insertion in model container [2022-04-18 15:54:55,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 15:54:55,423 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 15:54:55,425 INFO L158 Benchmark]: Toolchain (without parser) took 4114.98ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 58.0MB in the beginning and 108.4MB in the end (delta: -50.4MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2022-04-18 15:54:55,426 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 54.7MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 15:54:55,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4111.90ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 57.8MB in the beginning and 108.4MB in the end (delta: -50.5MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2022-04-18 15:54:55,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory was 54.7MB in the beginning and 54.7MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4111.90ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 57.8MB in the beginning and 108.4MB in the end (delta: -50.5MB). Peak memory consumption was 42.4MB. 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/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 15:54:57,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 15:54:57,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 15:54:57,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 15:54:57,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 15:54:57,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 15:54:57,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 15:54:57,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 15:54:57,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 15:54:57,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 15:54:57,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 15:54:57,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 15:54:57,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 15:54:57,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 15:54:57,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 15:54:57,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 15:54:57,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 15:54:57,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 15:54:57,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 15:54:57,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 15:54:57,268 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 15:54:57,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 15:54:57,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 15:54:57,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 15:54:57,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 15:54:57,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 15:54:57,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 15:54:57,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 15:54:57,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 15:54:57,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 15:54:57,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 15:54:57,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 15:54:57,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 15:54:57,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 15:54:57,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 15:54:57,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 15:54:57,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 15:54:57,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 15:54:57,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 15:54:57,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 15:54:57,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 15:54:57,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 15:54:57,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2022-04-18 15:54:57,333 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 15:54:57,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 15:54:57,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 15:54:57,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 15:54:57,335 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 15:54:57,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 15:54:57,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-18 15:54:57,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-18 15:54:57,336 INFO L138 SettingsManager]: * Use SBE=true [2022-04-18 15:54:57,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 15:54:57,337 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 15:54:57,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 15:54:57,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 15:54:57,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 15:54:57,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 15:54:57,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 15:54:57,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 15:54:57,339 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 15:54:57,339 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 15:54:57,339 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 15:54:57,340 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 15:54:57,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 15:54:57,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 15:54:57,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 15:54:57,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 15:54:57,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 15:54:57,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 15:54:57,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 15:54:57,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 15:54:57,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 15:54:57,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 15:54:57,342 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-04-18 15:54:57,342 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 15:54:57,343 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-04-18 15:54:57,343 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-04-18 15:54:57,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 15:54:57,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 15:54:57,343 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-04-18 15:54:57,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 15:54:57,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 15:54:57,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 15:54:57,693 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 15:54:57,693 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 15:54:57,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-04-18 15:54:57,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e03f630/e7116ea1b53d46ba94416424406032fd/FLAG4e8e2c1d5 [2022-04-18 15:54:58,469 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 15:54:58,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2022-04-18 15:54:58,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e03f630/e7116ea1b53d46ba94416424406032fd/FLAG4e8e2c1d5 [2022-04-18 15:54:58,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93e03f630/e7116ea1b53d46ba94416424406032fd [2022-04-18 15:54:58,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 15:54:58,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 15:54:58,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 15:54:58,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 15:54:58,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 15:54:58,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:54:58" (1/1) ... [2022-04-18 15:54:58,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e655016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:54:58, skipping insertion in model container [2022-04-18 15:54:58,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 03:54:58" (1/1) ... [2022-04-18 15:54:58,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 15:54:58,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 15:54:59,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2022-04-18 15:55:01,524 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 15:55:01,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e0bfe86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 03:55:01, skipping insertion in model container [2022-04-18 15:55:01,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 15:55:01,526 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 15:55:01,529 INFO L158 Benchmark]: Toolchain (without parser) took 2743.31ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 25.1MB in the end (delta: 6.4MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-04-18 15:55:01,530 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 15:55:01,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2740.01ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.4MB in the beginning and 25.1MB in the end (delta: 6.3MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-04-18 15:55:01,533 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 38.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2740.01ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.4MB in the beginning and 25.1MB in the end (delta: 6.3MB). Peak memory consumption was 23.3MB. 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