./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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_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 4a233ca437d35b9528528eefc457b42f890d626c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_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 4a233ca437d35b9528528eefc457b42f890d626c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:22:35,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:22:35,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:22:35,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:22:35,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:22:35,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:22:35,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:22:35,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:22:35,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:22:35,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:22:35,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:22:35,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:22:35,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:22:35,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:22:35,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:22:35,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:22:35,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:22:35,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:22:35,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:22:35,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:22:35,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:22:35,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:22:35,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:22:35,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:22:35,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:22:35,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:22:35,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:22:35,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:22:35,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:22:35,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:22:35,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:22:35,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:22:35,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:22:35,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:22:35,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:22:35,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:22:35,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:22:35,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:22:35,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:22:35,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:22:35,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:22:35,347 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 23:22:35,387 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:22:35,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:22:35,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:22:35,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:22:35,391 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:22:35,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:22:35,394 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:22:35,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 23:22:35,394 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:22:35,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:22:35,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:22:35,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:22:35,397 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:22:35,397 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:22:35,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:22:35,399 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:22:35,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:22:35,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:22:35,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:22:35,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:22:35,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:22:35,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:22:35,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:22:35,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:22:35,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:22:35,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 23:22:35,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 23:22:35,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:22:35,408 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 -> 4a233ca437d35b9528528eefc457b42f890d626c [2019-11-25 23:22:36,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:22:36,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:22:36,035 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:22:36,040 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:22:36,041 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:22:36,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-25 23:22:36,195 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70841e959/ddbe7afc30524063884cebf44820744f/FLAG62d2bb646 [2019-11-25 23:22:38,028 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:22:38,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-25 23:22:38,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70841e959/ddbe7afc30524063884cebf44820744f/FLAG62d2bb646 [2019-11-25 23:22:38,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70841e959/ddbe7afc30524063884cebf44820744f [2019-11-25 23:22:38,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:22:38,384 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:22:38,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:22:38,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:22:38,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:22:38,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:38" (1/1) ... [2019-11-25 23:22:38,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbbc42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:38, skipping insertion in model container [2019-11-25 23:22:38,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:38" (1/1) ... [2019-11-25 23:22:38,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:22:38,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:22:45,320 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-25 23:22:45,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4256e67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:45, skipping insertion in model container [2019-11-25 23:22:45,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:22:45,324 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-25 23:22:45,333 INFO L168 Benchmark]: Toolchain (without parser) took 6944.70 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 945.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 47.6 MB. Max. memory is 12.5 GB. [2019-11-25 23:22:45,334 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. [2019-11-25 23:22:45,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6930.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 945.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 47.6 MB. Max. memory is 12.5 GB. [2019-11-25 23:22:45,344 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 6930.20 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 953.1 MB in the beginning and 945.7 MB in the end (delta: 7.4 MB). Peak memory consumption was 47.6 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4698]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-25 23:22:49,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 23:22:49,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 23:22:49,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 23:22:49,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 23:22:49,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 23:22:49,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 23:22:49,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 23:22:49,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 23:22:49,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 23:22:49,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 23:22:49,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 23:22:49,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 23:22:49,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 23:22:49,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 23:22:49,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 23:22:49,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 23:22:49,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 23:22:49,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 23:22:49,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 23:22:49,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 23:22:49,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 23:22:49,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 23:22:49,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 23:22:49,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 23:22:49,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 23:22:49,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 23:22:49,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 23:22:49,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 23:22:49,394 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 23:22:49,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 23:22:49,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 23:22:49,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 23:22:49,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 23:22:49,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 23:22:49,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 23:22:49,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 23:22:49,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 23:22:49,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 23:22:49,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 23:22:49,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 23:22:49,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 23:22:49,454 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 23:22:49,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 23:22:49,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 23:22:49,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 23:22:49,461 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 23:22:49,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 23:22:49,462 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 23:22:49,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 23:22:49,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 23:22:49,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 23:22:49,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 23:22:49,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 23:22:49,467 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 23:22:49,467 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 23:22:49,468 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 23:22:49,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 23:22:49,470 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 23:22:49,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 23:22:49,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 23:22:49,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 23:22:49,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 23:22:49,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 23:22:49,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 23:22:49,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 23:22:49,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 23:22:49,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 23:22:49,476 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 23:22:49,476 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 23:22:49,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 23:22:49,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 23:22:49,478 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 -> 4a233ca437d35b9528528eefc457b42f890d626c [2019-11-25 23:22:50,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 23:22:50,083 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 23:22:50,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 23:22:50,095 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 23:22:50,096 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 23:22:50,097 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-25 23:22:50,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1fd9b56/be3fb1bb26a042ffb0d67932af1deab3/FLAG32d551157 [2019-11-25 23:22:52,048 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 23:22:52,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-25 23:22:52,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1fd9b56/be3fb1bb26a042ffb0d67932af1deab3/FLAG32d551157 [2019-11-25 23:22:52,212 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1fd9b56/be3fb1bb26a042ffb0d67932af1deab3 [2019-11-25 23:22:52,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 23:22:52,226 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 23:22:52,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 23:22:52,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 23:22:52,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 23:22:52,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:52" (1/1) ... [2019-11-25 23:22:52,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29618a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:52, skipping insertion in model container [2019-11-25 23:22:52,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:22:52" (1/1) ... [2019-11-25 23:22:52,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 23:22:52,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 23:22:58,473 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-25 23:22:58,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b4ccfa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:22:58, skipping insertion in model container [2019-11-25 23:22:58,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 23:22:58,476 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-25 23:22:58,479 INFO L168 Benchmark]: Toolchain (without parser) took 6251.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 935.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:22:58,481 INFO L168 Benchmark]: CDTParser took 1.69 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. [2019-11-25 23:22:58,482 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6246.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 935.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. [2019-11-25 23:22:58,493 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69 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 6246.16 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 945.9 MB in the beginning and 935.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4698]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...