./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_llseek_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebf36ecbfc7e79f548d88f3bc5673c1f4881dea4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_llseek_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebf36ecbfc7e79f548d88f3bc5673c1f4881dea4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:28:07,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:28:07,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:28:07,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:28:07,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:28:07,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:28:07,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:28:07,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:28:07,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:28:07,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:28:07,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:28:07,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:28:07,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:28:07,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:28:07,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:28:07,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:28:07,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:28:07,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:28:07,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:28:07,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:28:07,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:28:07,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:28:07,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:28:07,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:28:07,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:28:07,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:28:07,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:28:07,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:28:07,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:28:07,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:28:07,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:28:07,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:28:07,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:28:07,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:28:07,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:28:07,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:28:07,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:28:07,536 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:28:07,536 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:28:07,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:28:07,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:28:07,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 17:28:07,584 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:28:07,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:28:07,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:28:07,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:28:07,592 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:28:07,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:28:07,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:28:07,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 17:28:07,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:28:07,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:28:07,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:28:07,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:28:07,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:28:07,599 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:28:07,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:28:07,600 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:28:07,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:28:07,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:28:07,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:28:07,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:28:07,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:28:07,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:28:07,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:28:07,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:28:07,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:28:07,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 17:28:07,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 17:28:07,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:28:07,609 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 -> ebf36ecbfc7e79f548d88f3bc5673c1f4881dea4 [2019-11-26 17:28:08,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:28:08,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:28:08,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:28:08,238 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:28:08,241 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:28:08,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2019-11-26 17:28:08,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b69c54ac/7b4d592f5d614637885451941bfb7ca7/FLAGc24d67e3b [2019-11-26 17:28:10,211 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:28:10,213 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2019-11-26 17:28:10,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b69c54ac/7b4d592f5d614637885451941bfb7ca7/FLAGc24d67e3b [2019-11-26 17:28:10,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b69c54ac/7b4d592f5d614637885451941bfb7ca7 [2019-11-26 17:28:10,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:28:10,377 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:28:10,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:10,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:28:10,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:28:10,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:10" (1/1) ... [2019-11-26 17:28:10,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba5411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:10, skipping insertion in model container [2019-11-26 17:28:10,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:10" (1/1) ... [2019-11-26 17:28:10,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:28:10,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:28:11,033 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __kernel_fd_set [2019-11-26 17:28:11,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77ab5fbe 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 17:28:11,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:11,037 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 17:28:11,045 INFO L168 Benchmark]: Toolchain (without parser) took 664.29 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 17:28:11,047 INFO L168 Benchmark]: CDTParser took 0.38 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 17:28:11,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.03 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 17:28:11,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 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 655.03 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 17:28:15,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 17:28:15,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 17:28:15,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 17:28:15,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 17:28:15,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 17:28:15,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 17:28:15,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 17:28:15,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 17:28:15,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 17:28:15,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 17:28:15,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 17:28:15,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 17:28:15,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 17:28:15,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 17:28:15,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 17:28:15,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 17:28:15,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 17:28:15,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 17:28:15,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 17:28:15,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 17:28:15,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 17:28:15,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 17:28:15,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 17:28:15,337 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 17:28:15,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 17:28:15,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 17:28:15,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 17:28:15,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 17:28:15,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 17:28:15,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 17:28:15,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 17:28:15,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 17:28:15,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 17:28:15,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 17:28:15,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 17:28:15,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 17:28:15,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 17:28:15,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 17:28:15,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 17:28:15,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 17:28:15,371 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 17:28:15,410 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 17:28:15,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 17:28:15,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 17:28:15,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 17:28:15,419 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 17:28:15,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 17:28:15,420 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 17:28:15,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 17:28:15,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 17:28:15,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 17:28:15,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 17:28:15,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 17:28:15,427 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 17:28:15,427 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 17:28:15,428 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 17:28:15,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 17:28:15,428 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 17:28:15,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 17:28:15,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 17:28:15,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 17:28:15,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 17:28:15,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 17:28:15,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 17:28:15,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 17:28:15,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 17:28:15,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 17:28:15,433 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 17:28:15,434 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 17:28:15,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 17:28:15,437 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 17:28:15,438 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 -> ebf36ecbfc7e79f548d88f3bc5673c1f4881dea4 [2019-11-26 17:28:15,992 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 17:28:16,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 17:28:16,028 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 17:28:16,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 17:28:16,036 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 17:28:16,038 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2019-11-26 17:28:16,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70303242b/f1ae675870d7497b9ac86a23694c4df3/FLAG97b914c51 [2019-11-26 17:28:17,850 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 17:28:17,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2019-11-26 17:28:17,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70303242b/f1ae675870d7497b9ac86a23694c4df3/FLAG97b914c51 [2019-11-26 17:28:17,990 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70303242b/f1ae675870d7497b9ac86a23694c4df3 [2019-11-26 17:28:17,999 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 17:28:18,007 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 17:28:18,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:18,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 17:28:18,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 17:28:18,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:17" (1/1) ... [2019-11-26 17:28:18,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba5411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:18, skipping insertion in model container [2019-11-26 17:28:18,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 05:28:17" (1/1) ... [2019-11-26 17:28:18,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 17:28:18,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 17:28:18,704 ERROR L326 MainTranslator]: Unsupported Syntax: Undefined type __kernel_fd_set [2019-11-26 17:28:18,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a6ac315 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 05:28:18, skipping insertion in model container [2019-11-26 17:28:18,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 17:28:18,708 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-26 17:28:18,818 INFO L168 Benchmark]: Toolchain (without parser) took 707.58 ms. Allocated memory is still 1.0 GB. Free memory was 950.2 MB in the beginning and 915.8 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:18,818 INFO L168 Benchmark]: CDTParser took 2.83 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 17:28:18,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.84 ms. Allocated memory is still 1.0 GB. Free memory was 950.2 MB in the beginning and 915.8 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 12.5 GB. [2019-11-26 17:28:18,829 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.83 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 698.84 ms. Allocated memory is still 1.0 GB. Free memory was 950.2 MB in the beginning and 915.8 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...