./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_llseek_nvram_unlocked_ioctl.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_llseek_nvram_unlocked_ioctl.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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:02:38,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:02:38,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:02:38,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:02:38,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:02:38,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:02:38,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:02:38,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:02:38,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:02:38,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:02:38,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:02:38,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:02:38,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:02:38,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:02:38,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:02:38,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:02:38,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:02:38,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:02:38,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:02:38,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:02:38,799 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:02:38,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:02:38,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:02:38,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:02:38,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:02:38,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:02:38,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:02:38,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:02:38,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:02:38,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:02:38,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:02:38,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:02:38,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:02:38,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:02:38,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:02:38,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:02:38,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:02:38,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:02:38,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:02:38,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:02:38,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:02:38,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:02:38,825 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 19:02:38,855 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:02:38,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:02:38,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:02:38,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:02:38,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:02:38,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:02:38,857 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:02:38,857 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:02:38,857 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:02:38,858 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 19:02:38,858 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:02:38,858 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:02:38,858 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 19:02:38,859 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 19:02:38,859 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:02:38,859 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 19:02:38,859 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 19:02:38,859 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 19:02:38,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:02:38,860 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:02:38,861 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:02:38,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 19:02:38,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:02:38,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:02:38,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:02:38,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:02:38,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:02:38,862 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:02:38,862 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:02:38,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:02:38,862 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:02:38,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:02:38,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:02:38,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:02:38,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:02:38,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:02:38,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:02:38,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:02:38,864 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 19:02:38,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 19:02:38,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:02:38,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:02:38,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:02:38,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-04-18 19:02:39,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:02:39,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:02:39,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:02:39,125 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:02:39,125 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:02:39,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-04-18 19:02:39,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/03bbccfb2/7c7c2dcf42ae4237a9301048e515ac01/FLAGe39a72eb6 [2022-04-18 19:02:39,853 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:02:39,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-04-18 19:02:39,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/03bbccfb2/7c7c2dcf42ae4237a9301048e515ac01/FLAGe39a72eb6 [2022-04-18 19:02:39,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/03bbccfb2/7c7c2dcf42ae4237a9301048e515ac01 [2022-04-18 19:02:39,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:02:39,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:02:39,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:39,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:02:39,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:02:39,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:39" (1/1) ... [2022-04-18 19:02:39,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c34ee10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:39, skipping insertion in model container [2022-04-18 19:02:39,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:39" (1/1) ... [2022-04-18 19:02:39,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:02:40,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:02:40,436 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_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-04-18 19:02:42,268 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 19:02:42,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2091253f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:42, skipping insertion in model container [2022-04-18 19:02:42,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:42,270 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 19:02:42,272 INFO L158 Benchmark]: Toolchain (without parser) took 2289.50ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 82.7MB in the beginning and 95.0MB in the end (delta: -12.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-04-18 19:02:42,273 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory was 86.2MB in the beginning and 86.1MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:02:42,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2287.16ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 82.3MB in the beginning and 95.0MB in the end (delta: -12.7MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-04-18 19:02:42,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory was 86.2MB in the beginning and 86.1MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2287.16ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 82.3MB in the beginning and 95.0MB in the end (delta: -12.7MB). Peak memory consumption was 50.3MB. 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 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_llseek_nvram_unlocked_ioctl.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 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 19:02:43,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 19:02:43,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 19:02:43,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 19:02:43,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 19:02:43,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 19:02:43,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 19:02:43,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 19:02:43,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 19:02:43,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 19:02:43,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 19:02:43,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 19:02:43,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 19:02:43,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 19:02:43,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 19:02:43,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 19:02:43,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 19:02:43,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 19:02:43,967 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 19:02:43,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 19:02:43,973 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 19:02:43,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 19:02:43,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 19:02:43,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 19:02:43,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 19:02:43,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 19:02:43,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 19:02:43,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 19:02:43,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 19:02:43,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 19:02:43,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 19:02:43,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 19:02:43,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 19:02:43,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 19:02:43,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 19:02:43,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 19:02:43,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 19:02:43,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 19:02:43,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 19:02:43,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 19:02:43,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 19:02:43,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 19:02:43,987 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-04-18 19:02:44,013 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 19:02:44,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 19:02:44,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 19:02:44,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 19:02:44,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 19:02:44,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 19:02:44,016 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 19:02:44,016 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 19:02:44,016 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 19:02:44,017 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 19:02:44,017 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 19:02:44,017 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 19:02:44,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 19:02:44,018 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 19:02:44,018 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 19:02:44,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 19:02:44,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 19:02:44,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 19:02:44,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 19:02:44,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 19:02:44,027 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 19:02:44,028 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 19:02:44,028 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 19:02:44,028 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 19:02:44,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 19:02:44,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 19:02:44,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 19:02:44,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 19:02:44,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 19:02:44,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 19:02:44,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 19:02:44,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 19:02:44,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 19:02:44,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 19:02:44,030 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-04-18 19:02:44,031 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 19:02:44,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 19:02:44,031 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 19:02:44,031 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 19:02:44,031 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2022-04-18 19:02:44,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 19:02:44,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 19:02:44,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 19:02:44,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 19:02:44,332 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 19:02:44,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-04-18 19:02:44,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/707d9ce46/dd08e338088045578e057557db12c73a/FLAGc3907f7f9 [2022-04-18 19:02:45,080 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 19:02:45,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2022-04-18 19:02:45,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/707d9ce46/dd08e338088045578e057557db12c73a/FLAGc3907f7f9 [2022-04-18 19:02:45,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/707d9ce46/dd08e338088045578e057557db12c73a [2022-04-18 19:02:45,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 19:02:45,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 19:02:45,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:45,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 19:02:45,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 19:02:45,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:45" (1/1) ... [2022-04-18 19:02:45,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cc18559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:45, skipping insertion in model container [2022-04-18 19:02:45,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 07:02:45" (1/1) ... [2022-04-18 19:02:45,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 19:02:45,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 19:02:45,802 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_llseek_nvram_unlocked_ioctl.i[5469,5482] [2022-04-18 19:02:47,713 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-04-18 19:02:47,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70936cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 07:02:47, skipping insertion in model container [2022-04-18 19:02:47,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 19:02:47,714 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-04-18 19:02:47,716 INFO L158 Benchmark]: Toolchain (without parser) took 2299.82ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 35.6MB in the beginning and 40.1MB in the end (delta: -4.5MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2022-04-18 19:02:47,717 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 19:02:47,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2296.78ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 35.4MB in the beginning and 40.1MB in the end (delta: -4.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2022-04-18 19:02:47,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2296.78ms. Allocated memory was 56.6MB in the beginning and 77.6MB in the end (delta: 21.0MB). Free memory was 35.4MB in the beginning and 40.1MB in the end (delta: -4.7MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN