./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_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_read_nvram_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 bc81abaa778adea7431183b2fd072f16b613c8e2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_read_nvram_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 bc81abaa778adea7431183b2fd072f16b613c8e2 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:28:10,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:28:10,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:28:10,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:28:10,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:28:10,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:28:10,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:28:10,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:28:10,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:28:10,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:28:10,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:28:10,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:28:10,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:28:10,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:28:10,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:28:10,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:28:10,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:28:10,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:28:10,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:28:10,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:28:10,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:28:10,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:28:10,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:28:10,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:28:10,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:28:10,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:28:10,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:28:10,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:28:10,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:28:10,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:28:10,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:28:10,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:28:10,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:28:10,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:28:10,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:28:10,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:28:10,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:28:10,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:28:10,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:28:10,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:28:10,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:28:10,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:28:10,442 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:28:10,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:28:10,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:28:10,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:28:10,449 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:28:10,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:28:10,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:28:10,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:28:10,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:28:10,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:28:10,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:28:10,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:28:10,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:28:10,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:28:10,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:28:10,455 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:28:10,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:28:10,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:28:10,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:28:10,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:28:10,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:28:10,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:28:10,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:28:10,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:28:10,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:28:10,459 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:28:10,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:28:10,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:28:10,460 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 -> bc81abaa778adea7431183b2fd072f16b613c8e2 [2019-11-26 17:28:10,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:28:10,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:28:10,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:28:10,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:28:10,979 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:28:10,980 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2019-11-26 17:28:11,132 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ebefe89d/30e9180348674b73978c8058bcbb520b/FLAG1aa23c204 [2019-11-26 17:28:12,898 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:28:12,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2019-11-26 17:28:12,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ebefe89d/30e9180348674b73978c8058bcbb520b/FLAG1aa23c204 [2019-11-26 17:28:13,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ebefe89d/30e9180348674b73978c8058bcbb520b [2019-11-26 17:28:13,306 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:28:13,308 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:28:13,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:13,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:28:13,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:28:13,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:13" (1/1) ... [2019-11-26 17:28:13,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b405a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:13, skipping insertion in model container [2019-11-26 17:28:13,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:13" (1/1) ... [2019-11-26 17:28:13,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:28:13,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:28:14,016 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __kernel_fd_set [2019-11-26 17:28:14,019 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 05:28:14, skipping insertion in model container [2019-11-26 17:28:14,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:14,020 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 17:28:14,027 INFO L168 Benchmark]: Toolchain (without parser) took 716.02 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 913.0 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:14,031 INFO L168 Benchmark]: CDTParser took 0.35 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 17:28:14,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 702.82 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 913.0 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:14,039 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 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 702.82 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 913.0 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 17:28:17,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:28:17,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:28:17,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:28:17,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:28:17,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:28:17,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:28:17,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:28:17,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:28:17,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:28:17,977 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:28:17,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:28:17,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:28:17,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:28:17,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:28:17,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:28:17,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:28:18,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:28:18,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:28:18,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:28:18,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:28:18,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:28:18,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:28:18,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:28:18,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:28:18,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:28:18,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:28:18,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:28:18,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:28:18,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:28:18,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:28:18,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:28:18,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:28:18,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:28:18,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:28:18,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:28:18,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:28:18,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:28:18,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:28:18,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:28:18,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:28:18,083 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:28:18,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:28:18,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:28:18,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:28:18,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:28:18,128 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:28:18,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:28:18,130 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:28:18,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:28:18,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:28:18,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:28:18,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:28:18,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:28:18,134 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:28:18,137 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:28:18,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:28:18,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:28:18,138 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:28:18,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:28:18,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:28:18,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:28:18,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:28:18,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:28:18,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:28:18,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:28:18,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:28:18,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:28:18,143 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:28:18,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:28:18,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:28:18,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:28:18,146 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 -> bc81abaa778adea7431183b2fd072f16b613c8e2 [2019-11-26 17:28:18,716 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:28:18,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:28:18,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:28:18,757 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:28:18,760 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:28:18,762 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2019-11-26 17:28:18,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b750e930/dd678735b2114232a4034b9b45c63f87/FLAG2c1bd69b6 [2019-11-26 17:28:20,635 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:28:20,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2019-11-26 17:28:20,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b750e930/dd678735b2114232a4034b9b45c63f87/FLAG2c1bd69b6 [2019-11-26 17:28:21,161 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b750e930/dd678735b2114232a4034b9b45c63f87 [2019-11-26 17:28:21,167 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:28:21,169 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:28:21,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:21,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:28:21,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:28:21,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:21" (1/1) ... [2019-11-26 17:28:21,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae4b5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:21, skipping insertion in model container [2019-11-26 17:28:21,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:21" (1/1) ... [2019-11-26 17:28:21,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:28:21,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:28:21,783 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __kernel_fd_set [2019-11-26 17:28:21,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cc72ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:21, skipping insertion in model container [2019-11-26 17:28:21,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:21,790 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 17:28:21,794 INFO L168 Benchmark]: Toolchain (without parser) took 623.48 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 17:28:21,799 INFO L168 Benchmark]: CDTParser took 0.36 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 17:28:21,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.05 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 17:28:21,809 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 608.05 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...