./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/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.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/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-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 Taipan --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 19:02:51,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:02:51,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:02:51,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:02:51,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:02:51,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:02:51,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:02:51,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:02:51,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:02:51,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:02:51,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:02:51,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:02:51,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:02:51,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:02:51,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:02:51,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:02:51,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:02:51,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:02:51,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:02:51,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:02:51,520 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:02:51,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:02:51,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:02:51,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:02:51,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:02:51,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:02:51,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:02:51,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:02:51,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:02:51,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:02:51,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:02:51,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:02:51,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:02:51,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:02:51,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:02:51,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:02:51,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:02:51,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:02:51,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:02:51,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:02:51,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:02:51,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:02:51,537 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:02:51,560 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:02:51,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:02:51,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:02:51,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:02:51,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:02:51,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:02:51,561 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:02:51,562 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:02:51,562 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:02:51,562 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:02:51,562 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:02:51,563 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:02:51,563 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:02:51,563 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:02:51,563 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:02:51,563 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:02:51,563 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:02:51,563 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:02:51,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:02:51,564 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:02:51,565 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:02:51,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:02:51,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:02:51,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:02:51,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:02:51,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:02:51,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:02:51,566 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:02:51,566 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:02:51,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:02:51,566 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:02:51,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:02:51,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:02:51,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:02:51,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:02:51,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:02:51,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:02:51,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:02:51,568 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:02:51,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:02:51,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:02:51,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:02:51,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:02:51,569 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/UTaipan-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-04-18 19:02:51,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:02:51,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:02:51,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:02:51,758 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:02:51,758 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:02:51,759 INFO L432 ainManager$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 19:02:51,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/da05eb5e0/23ac9e167bac42de9819c83bf5638aeb/FLAG63dddc830 [2022-04-18 19:02:52,345 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:02:52,346 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 19:02:52,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/da05eb5e0/23ac9e167bac42de9819c83bf5638aeb/FLAG63dddc830 [2022-04-18 19:02:52,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/da05eb5e0/23ac9e167bac42de9819c83bf5638aeb [2022-04-18 19:02:52,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:02:52,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:02:52,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:52,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:02:52,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:02:52,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:52" (1/1) ... [2022-04-18 19:02:52,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4e50c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:52, skipping insertion in model container [2022-04-18 19:02:52,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:52" (1/1) ... [2022-04-18 19:02:52,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:02:52,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:02:53,181 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 19:02:55,446 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 19:02:55,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@c766a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:55, skipping insertion in model container [2022-04-18 19:02:55,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:55,447 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 19:02:55,449 INFO L158 Benchmark]: Toolchain (without parser) took 2610.09ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 77.5MB in the beginning and 104.8MB in the end (delta: -27.2MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-04-18 19:02:55,449 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:02:55,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2608.40ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 77.3MB in the beginning and 104.8MB in the end (delta: -27.4MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-04-18 19:02:55,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2608.40ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 77.3MB in the beginning and 104.8MB in the end (delta: -27.4MB). Peak memory consumption was 25.4MB. 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/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.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/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-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 Taipan --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 19:02:56,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:02:56,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:02:56,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:02:56,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:02:56,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:02:56,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:02:56,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:02:56,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:02:56,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:02:56,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:02:56,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:02:56,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:02:56,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:02:56,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:02:56,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:02:56,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:02:56,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:02:56,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:02:56,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:02:56,851 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:02:56,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:02:56,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:02:56,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:02:56,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:02:56,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:02:56,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:02:56,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:02:56,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:02:56,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:02:56,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:02:56,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:02:56,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:02:56,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:02:56,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:02:56,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:02:56,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:02:56,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:02:56,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:02:56,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:02:56,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:02:56,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:02:56,871 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-04-18 19:02:56,895 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:02:56,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:02:56,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:02:56,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:02:56,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:02:56,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:02:56,897 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:02:56,897 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:02:56,897 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:02:56,897 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:02:56,897 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:02:56,897 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:02:56,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:02:56,898 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:02:56,898 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:02:56,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:02:56,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:02:56,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:02:56,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:02:56,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:02:56,899 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:02:56,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 19:02:56,899 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 19:02:56,899 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:02:56,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:02:56,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:02:56,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:02:56,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:02:56,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 19:02:56,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:02:56,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:02:56,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:02:56,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:02:56,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:02:56,901 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-04-18 19:02:56,901 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 19:02:56,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:02:56,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:02:56,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:02:56,901 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/UTaipan-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1941de74eb261e3f3ecbbb76e1746df74b536a1b8190d4ca9fd6a4341892fdcb [2022-04-18 19:02:57,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:02:57,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:02:57,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:02:57,176 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:02:57,176 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:02:57,177 INFO L432 ainManager$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 19:02:57,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/13213ee8d/bbddc60ae4aa4230a04a6e0722f403d7/FLAGfc0dd8b94 [2022-04-18 19:02:57,758 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:02:57,758 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 19:02:57,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/13213ee8d/bbddc60ae4aa4230a04a6e0722f403d7/FLAGfc0dd8b94 [2022-04-18 19:02:57,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/13213ee8d/bbddc60ae4aa4230a04a6e0722f403d7 [2022-04-18 19:02:57,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:02:57,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:02:57,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:57,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:02:57,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:02:57,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:57" (1/1) ... [2022-04-18 19:02:57,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408ee00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:57, skipping insertion in model container [2022-04-18 19:02:57,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:57" (1/1) ... [2022-04-18 19:02:57,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:02:58,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:02:58,339 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 19:02:59,950 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 19:02:59,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36b61aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:59, skipping insertion in model container [2022-04-18 19:02:59,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:59,951 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 19:02:59,953 INFO L158 Benchmark]: Toolchain (without parser) took 1980.30ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 24.7MB in the beginning and 33.6MB in the end (delta: -8.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-04-18 19:02:59,953 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:02:59,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1977.43ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 24.5MB in the beginning and 33.6MB in the end (delta: -9.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-04-18 19:02:59,956 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 56.6MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1977.43ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 24.5MB in the beginning and 33.6MB in the end (delta: -9.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN