./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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 ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:53:31,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:53:31,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:53:31,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:53:31,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:53:31,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:53:31,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:53:31,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:53:31,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:53:31,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:53:31,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:53:31,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:53:31,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:53:31,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:53:31,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:53:31,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:53:31,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:53:31,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:53:31,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:53:31,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:53:31,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:53:31,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:53:31,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:53:31,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:53:31,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:53:31,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:53:31,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:53:31,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:53:31,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:53:31,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:53:31,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:53:31,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:53:31,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:53:31,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:53:31,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:53:31,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:53:31,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:53:31,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:53:31,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:53:31,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:53:31,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:53:31,557 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-28 02:53:31,585 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:53:31,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:53:31,587 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:53:31,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:53:31,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:53:31,588 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:53:31,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:53:31,589 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:53:31,589 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:53:31,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:53:31,590 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:53:31,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 02:53:31,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:53:31,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:53:31,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:53:31,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:53:31,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:53:31,591 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:53:31,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:53:31,591 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:53:31,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:53:31,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:53:31,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:53:31,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:53:31,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:53:31,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:53:31,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:53:31,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:53:31,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 02:53:31,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 02:53:31,592 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:53:31,592 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:53:31,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:53:31,593 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-12-28 02:53:31,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:53:31,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:53:31,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:53:31,890 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:53:31,890 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:53:31,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-12-28 02:53:31,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66b609fc3/768b26d6852a4580a97db5f3dab3e01c/FLAGae3b1bc6c [2021-12-28 02:53:32,592 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:53:32,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-12-28 02:53:32,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66b609fc3/768b26d6852a4580a97db5f3dab3e01c/FLAGae3b1bc6c [2021-12-28 02:53:32,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66b609fc3/768b26d6852a4580a97db5f3dab3e01c [2021-12-28 02:53:32,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:53:32,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:53:32,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:32,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:53:32,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:53:32,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:32" (1/1) ... [2021-12-28 02:53:32,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9504a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:32, skipping insertion in model container [2021-12-28 02:53:32,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:32" (1/1) ... [2021-12-28 02:53:32,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:53:33,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:53:33,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-12-28 02:53:35,560 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-28 02:53:35,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23e72b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:35, skipping insertion in model container [2021-12-28 02:53:35,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:35,562 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 02:53:35,564 INFO L158 Benchmark]: Toolchain (without parser) took 2591.02ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 39.4MB in the beginning and 60.3MB in the end (delta: -20.9MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-12-28 02:53:35,565 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 02:53:35,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2589.58ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 39.2MB in the beginning and 60.3MB in the end (delta: -21.2MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-12-28 02:53:35,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2589.58ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 39.2MB in the beginning and 60.3MB in the end (delta: -21.2MB). Peak memory consumption was 26.9MB. 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 ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 02:53:36,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 02:53:36,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 02:53:37,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 02:53:37,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 02:53:37,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 02:53:37,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 02:53:37,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 02:53:37,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 02:53:37,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 02:53:37,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 02:53:37,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 02:53:37,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 02:53:37,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 02:53:37,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 02:53:37,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 02:53:37,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 02:53:37,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 02:53:37,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 02:53:37,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 02:53:37,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 02:53:37,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 02:53:37,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 02:53:37,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 02:53:37,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 02:53:37,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 02:53:37,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 02:53:37,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 02:53:37,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 02:53:37,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 02:53:37,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 02:53:37,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 02:53:37,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 02:53:37,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 02:53:37,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 02:53:37,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 02:53:37,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 02:53:37,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 02:53:37,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 02:53:37,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 02:53:37,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 02:53:37,059 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-28 02:53:37,090 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 02:53:37,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 02:53:37,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 02:53:37,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 02:53:37,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 02:53:37,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 02:53:37,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 02:53:37,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 02:53:37,094 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 02:53:37,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 02:53:37,094 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-28 02:53:37,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-28 02:53:37,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 02:53:37,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 02:53:37,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 02:53:37,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 02:53:37,096 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-28 02:53:37,096 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-28 02:53:37,096 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-28 02:53:37,096 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-28 02:53:37,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 02:53:37,097 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 02:53:37,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 02:53:37,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 02:53:37,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 02:53:37,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 02:53:37,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 02:53:37,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 02:53:37,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 02:53:37,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 02:53:37,098 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-28 02:53:37,098 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-28 02:53:37,099 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 02:53:37,099 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 02:53:37,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 02:53:37,099 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-28 02:53:37,099 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-12-28 02:53:37,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 02:53:37,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 02:53:37,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 02:53:37,399 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 02:53:37,399 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 02:53:37,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-12-28 02:53:37,463 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618b6ee75/ffe162b2886a40a3b2355af3fe7d790a/FLAG6c2f46038 [2021-12-28 02:53:38,061 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 02:53:38,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-12-28 02:53:38,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618b6ee75/ffe162b2886a40a3b2355af3fe7d790a/FLAG6c2f46038 [2021-12-28 02:53:38,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618b6ee75/ffe162b2886a40a3b2355af3fe7d790a [2021-12-28 02:53:38,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 02:53:38,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 02:53:38,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:38,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 02:53:38,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 02:53:38,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:38" (1/1) ... [2021-12-28 02:53:38,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df3e9b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:38, skipping insertion in model container [2021-12-28 02:53:38,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:53:38" (1/1) ... [2021-12-28 02:53:38,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 02:53:38,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 02:53:38,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-12-28 02:53:40,358 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-28 02:53:40,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f520b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:53:40, skipping insertion in model container [2021-12-28 02:53:40,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 02:53:40,360 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-28 02:53:40,362 INFO L158 Benchmark]: Toolchain (without parser) took 1885.17ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 40.1MB in the beginning and 35.7MB in the end (delta: 4.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-12-28 02:53:40,362 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-28 02:53:40,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1881.85ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 40.0MB in the beginning and 35.7MB in the end (delta: 4.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-12-28 02:53:40,365 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1881.85ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 40.0MB in the beginning and 35.7MB in the end (delta: 4.3MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN