./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 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2276ba819c5339d007f04a49c2d94e84e9fedd5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2276ba819c5339d007f04a49c2d94e84e9fedd5 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:28:08,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:28:08,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:28:08,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:28:08,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:28:08,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:28:08,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:28:08,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:28:08,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:28:08,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:28:08,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:28:08,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:28:08,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:28:08,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:28:08,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:28:08,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:28:08,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:28:08,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:28:08,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:28:09,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:28:09,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:28:09,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:28:09,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:28:09,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:28:09,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:28:09,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:28:09,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:28:09,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:28:09,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:28:09,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:28:09,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:28:09,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:28:09,049 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:28:09,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:28:09,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:28:09,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:28:09,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:28:09,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:28:09,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:28:09,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:28:09,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:28:09,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:28:09,108 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:28:09,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:28:09,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:28:09,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:28:09,116 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:28:09,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:28:09,119 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:28:09,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:28:09,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:28:09,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:28:09,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:28:09,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:28:09,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:28:09,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:28:09,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:28:09,125 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:28:09,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:28:09,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:28:09,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:28:09,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:28:09,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:28:09,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:28:09,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:28:09,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:28:09,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:28:09,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:28:09,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:28:09,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:28:09,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(__VERIFIER_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 -> c2276ba819c5339d007f04a49c2d94e84e9fedd5 [2019-11-26 17:28:09,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:28:09,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:28:09,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:28:09,817 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:28:09,819 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:28:09,820 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2019-11-26 17:28:09,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb4085a03/e9b6f84d18434f498e611f686f1d8a24/FLAGa64ec9405 [2019-11-26 17:28:11,764 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:28:11,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2019-11-26 17:28:11,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb4085a03/e9b6f84d18434f498e611f686f1d8a24/FLAGa64ec9405 [2019-11-26 17:28:11,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb4085a03/e9b6f84d18434f498e611f686f1d8a24 [2019-11-26 17:28:11,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:28:11,946 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:28:11,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:11,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:28:11,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:28:11,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:11" (1/1) ... [2019-11-26 17:28:11,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ac3679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:11, skipping insertion in model container [2019-11-26 17:28:11,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:11" (1/1) ... [2019-11-26 17:28:11,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:28:12,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:28:12,613 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __kernel_fd_set [2019-11-26 17:28:12,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66c5090f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:12, skipping insertion in model container [2019-11-26 17:28:12,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:12,620 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 17:28:12,627 INFO L168 Benchmark]: Toolchain (without parser) took 676.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 921.6 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:12,630 INFO L168 Benchmark]: CDTParser took 1.50 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:28:12,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.85 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 921.6 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:12,637 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.50 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 668.85 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 921.6 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 73]: Unsupported Syntax Undefined type __kernel_fd_set RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-025d5a2 [2019-11-26 17:28:16,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:28:16,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:28:16,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:28:16,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:28:16,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:28:16,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:28:16,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:28:16,518 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:28:16,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:28:16,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:28:16,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:28:16,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:28:16,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:28:16,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:28:16,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:28:16,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:28:16,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:28:16,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:28:16,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:28:16,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:28:16,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:28:16,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:28:16,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:28:16,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:28:16,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:28:16,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:28:16,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:28:16,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:28:16,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:28:16,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:28:16,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:28:16,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:28:16,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:28:16,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:28:16,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:28:16,619 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:28:16,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:28:16,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:28:16,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:28:16,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:28:16,628 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:28:16,665 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:28:16,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:28:16,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:28:16,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:28:16,673 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:28:16,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:28:16,673 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:28:16,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:28:16,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:28:16,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:28:16,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:28:16,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:28:16,678 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:28:16,678 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:28:16,679 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:28:16,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:28:16,681 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:28:16,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:28:16,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:28:16,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:28:16,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:28:16,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:28:16,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:28:16,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:28:16,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:28:16,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:28:16,685 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:28:16,687 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:28:16,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:28:16,687 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:28:16,689 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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(__VERIFIER_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 -> c2276ba819c5339d007f04a49c2d94e84e9fedd5 [2019-11-26 17:28:17,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:28:17,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:28:17,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:28:17,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:28:17,250 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:28:17,252 INFO L428 ainManager$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 [2019-11-26 17:28:17,405 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc091027d/89f6c45064304391af5933f3154dde00/FLAGf47dba18c [2019-11-26 17:28:19,195 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:28:19,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2019-11-26 17:28:19,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc091027d/89f6c45064304391af5933f3154dde00/FLAGf47dba18c [2019-11-26 17:28:19,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc091027d/89f6c45064304391af5933f3154dde00 [2019-11-26 17:28:19,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:28:19,377 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:28:19,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:19,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:28:19,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:28:19,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:19" (1/1) ... [2019-11-26 17:28:19,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ac3679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:19, skipping insertion in model container [2019-11-26 17:28:19,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:19" (1/1) ... [2019-11-26 17:28:19,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:28:19,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:28:20,178 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __kernel_fd_set [2019-11-26 17:28:20,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4057c256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:20, skipping insertion in model container [2019-11-26 17:28:20,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:20,193 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 17:28:20,197 INFO L168 Benchmark]: Toolchain (without parser) took 820.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 993.1 MB in the end (delta: -42.8 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:20,198 INFO L168 Benchmark]: CDTParser took 1.90 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 17:28:20,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 993.1 MB in the end (delta: -42.8 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:20,205 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.90 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 801.67 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 993.1 MB in the end (delta: -42.8 MB). Peak memory consumption was 47.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 73]: Unsupported Syntax Undefined type __kernel_fd_set RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...