./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 96f16385 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_unlocked_ioctl_write_nvram.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 3be8737422649a962e56b08bad0231d16298e713 ................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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_unlocked_ioctl_write_nvram.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 3be8737422649a962e56b08bad0231d16298e713 ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-96f1638 [2020-12-02 12:16:12,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 12:16:12,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 12:16:12,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 12:16:12,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 12:16:12,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 12:16:12,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 12:16:12,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 12:16:12,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 12:16:12,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 12:16:12,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 12:16:12,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 12:16:12,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 12:16:12,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 12:16:12,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 12:16:12,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 12:16:12,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 12:16:12,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 12:16:12,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 12:16:12,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 12:16:12,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 12:16:12,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 12:16:12,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 12:16:12,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 12:16:12,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 12:16:12,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 12:16:12,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 12:16:12,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 12:16:12,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 12:16:12,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 12:16:12,899 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 12:16:12,900 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 12:16:12,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 12:16:12,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 12:16:12,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 12:16:12,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 12:16:12,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 12:16:12,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 12:16:12,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 12:16:12,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 12:16:12,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 12:16:12,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 12:16:12,937 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 12:16:12,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 12:16:12,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 12:16:12,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 12:16:12,940 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 12:16:12,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 12:16:12,940 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 12:16:12,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 12:16:12,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 12:16:12,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 12:16:12,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 12:16:12,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 12:16:12,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 12:16:12,942 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 12:16:12,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 12:16:12,943 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 12:16:12,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 12:16:12,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 12:16:12,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 12:16:12,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 12:16:12,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 12:16:12,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 12:16:12,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 12:16:12,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 12:16:12,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 12:16:12,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 12:16:12,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 12:16:12,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 12:16:12,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 12:16:12,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-12-02 12:16:13,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 12:16:13,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 12:16:13,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 12:16:13,386 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 12:16:13,387 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 12:16:13,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-12-02 12:16:13,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ab15f128/9a5d6e02a3c84c12b2aa48e85068f734/FLAG688fe006c [2020-12-02 12:16:14,508 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 12:16:14,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-12-02 12:16:14,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ab15f128/9a5d6e02a3c84c12b2aa48e85068f734/FLAG688fe006c [2020-12-02 12:16:14,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ab15f128/9a5d6e02a3c84c12b2aa48e85068f734 [2020-12-02 12:16:14,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 12:16:14,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 12:16:14,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:14,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 12:16:14,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 12:16:14,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:14" (1/1) ... [2020-12-02 12:16:14,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a73ab5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:14, skipping insertion in model container [2020-12-02 12:16:14,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:14" (1/1) ... [2020-12-02 12:16:14,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 12:16:15,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 12:16:15,515 WARN L226 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_unlocked_ioctl_write_nvram.i[5469,5482] [2020-12-02 12:16:18,597 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-02 12:16:18,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8892e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:18, skipping insertion in model container [2020-12-02 12:16:18,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:18,599 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-02 12:16:18,602 INFO L168 Benchmark]: Toolchain (without parser) took 3637.94 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 29.0 MB in the beginning and 26.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:18,604 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory was 21.9 MB in the beginning and 21.8 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 12:16:18,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3632.34 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 28.8 MB in the beginning and 26.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:18,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory was 21.9 MB in the beginning and 21.8 MB in the end (delta: 31.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3632.34 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 28.8 MB in the beginning and 26.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.0-96f1638 [2020-12-02 12:16:20,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 12:16:20,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 12:16:20,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 12:16:20,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 12:16:20,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 12:16:20,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 12:16:20,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 12:16:20,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 12:16:20,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 12:16:20,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 12:16:20,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 12:16:20,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 12:16:20,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 12:16:20,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 12:16:20,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 12:16:20,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 12:16:20,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 12:16:20,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 12:16:20,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 12:16:20,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 12:16:20,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 12:16:20,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 12:16:20,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 12:16:20,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 12:16:20,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 12:16:20,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 12:16:20,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 12:16:20,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 12:16:20,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 12:16:20,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 12:16:20,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 12:16:20,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 12:16:20,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 12:16:20,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 12:16:20,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 12:16:20,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 12:16:20,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 12:16:20,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 12:16:20,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 12:16:20,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 12:16:20,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 12:16:21,057 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 12:16:21,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 12:16:21,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 12:16:21,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 12:16:21,059 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 12:16:21,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 12:16:21,060 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 12:16:21,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 12:16:21,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 12:16:21,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 12:16:21,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 12:16:21,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 12:16:21,061 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 12:16:21,061 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 12:16:21,061 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 12:16:21,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 12:16:21,062 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 12:16:21,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 12:16:21,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 12:16:21,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 12:16:21,062 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 12:16:21,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 12:16:21,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 12:16:21,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 12:16:21,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 12:16:21,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 12:16:21,064 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 12:16:21,064 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 12:16:21,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 12:16:21,064 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 12:16:21,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 12:16:21,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2020-12-02 12:16:21,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 12:16:21,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 12:16:21,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 12:16:21,506 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 12:16:21,507 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 12:16:21,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-12-02 12:16:21,587 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8dc80519/2fcfff4b2af7470ea29c55aad76d19c6/FLAGb2dc7e2bf [2020-12-02 12:16:22,596 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 12:16:22,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-12-02 12:16:22,653 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8dc80519/2fcfff4b2af7470ea29c55aad76d19c6/FLAGb2dc7e2bf [2020-12-02 12:16:23,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8dc80519/2fcfff4b2af7470ea29c55aad76d19c6 [2020-12-02 12:16:23,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 12:16:23,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 12:16:23,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:23,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 12:16:23,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 12:16:23,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:23" (1/1) ... [2020-12-02 12:16:23,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b3767d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:23, skipping insertion in model container [2020-12-02 12:16:23,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:16:23" (1/1) ... [2020-12-02 12:16:23,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 12:16:23,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-02 12:16:23,647 WARN L226 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_unlocked_ioctl_write_nvram.i[5469,5482] [2020-12-02 12:16:27,948 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-12-02 12:16:27,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@58590b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:16:27, skipping insertion in model container [2020-12-02 12:16:27,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 12:16:27,950 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-02 12:16:27,954 INFO L168 Benchmark]: Toolchain (without parser) took 4929.55 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 23.8 MB in the beginning and 24.6 MB in the end (delta: -746.4 kB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:27,955 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 41.9 MB. Free memory was 27.1 MB in the beginning and 27.0 MB in the end (delta: 26.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 12:16:27,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4926.22 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 23.7 MB in the beginning and 24.6 MB in the end (delta: -911.5 kB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2020-12-02 12:16:27,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 41.9 MB. Free memory was 27.1 MB in the beginning and 27.0 MB in the end (delta: 26.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4926.22 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 23.7 MB in the beginning and 24.6 MB in the end (delta: -911.5 kB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. * 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...