./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c6eb4584 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_read_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 74f1dccb8120047dda7efee011297bdb639a689d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-c6eb458-m [2019-11-16 21:35:05,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 21:35:05,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 21:35:05,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 21:35:05,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 21:35:05,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 21:35:05,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 21:35:05,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 21:35:05,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 21:35:05,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 21:35:05,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 21:35:05,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 21:35:05,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 21:35:05,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 21:35:05,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 21:35:05,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 21:35:05,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 21:35:05,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 21:35:05,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 21:35:05,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 21:35:05,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 21:35:05,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 21:35:05,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 21:35:05,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 21:35:05,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 21:35:05,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 21:35:05,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 21:35:05,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 21:35:05,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 21:35:05,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 21:35:05,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 21:35:05,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 21:35:05,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 21:35:05,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 21:35:05,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 21:35:05,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 21:35:05,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 21:35:05,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 21:35:05,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 21:35:05,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 21:35:05,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 21:35:05,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 21:35:05,355 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 21:35:05,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 21:35:05,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 21:35:05,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 21:35:05,364 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 21:35:05,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 21:35:05,365 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 21:35:05,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 21:35:05,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 21:35:05,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 21:35:05,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 21:35:05,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 21:35:05,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 21:35:05,370 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 21:35:05,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 21:35:05,373 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 21:35:05,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 21:35:05,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 21:35:05,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 21:35:05,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 21:35:05,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 21:35:05,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 21:35:05,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 21:35:05,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 21:35:05,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 21:35:05,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 21:35:05,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 21:35:05,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 21:35:05,381 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 -> 74f1dccb8120047dda7efee011297bdb639a689d [2019-11-16 21:35:05,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 21:35:06,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 21:35:06,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 21:35:06,014 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 21:35:06,017 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 21:35:06,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2019-11-16 21:35:06,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24fbe79c2/10f51bd6e9ac4ffc978cc73a87346314/FLAGada460929 [2019-11-16 21:35:07,835 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 21:35:07,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2019-11-16 21:35:07,939 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24fbe79c2/10f51bd6e9ac4ffc978cc73a87346314/FLAGada460929 [2019-11-16 21:35:08,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24fbe79c2/10f51bd6e9ac4ffc978cc73a87346314 [2019-11-16 21:35:08,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 21:35:08,449 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-16 21:35:08,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 21:35:08,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 21:35:08,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 21:35:08,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:35:08" (1/1) ... [2019-11-16 21:35:08,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17be00a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:35:08, skipping insertion in model container [2019-11-16 21:35:08,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 09:35:08" (1/1) ... [2019-11-16 21:35:08,485 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 21:35:08,755 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 21:35:16,605 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-16 21:35:16,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@153b288f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 09:35:16, skipping insertion in model container [2019-11-16 21:35:16,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 21:35:16,607 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-16 21:35:16,625 INFO L168 Benchmark]: Toolchain (without parser) took 8161.25 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 945.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 47.6 MB. Max. memory is 12.5 GB. [2019-11-16 21:35:16,629 INFO L168 Benchmark]: CDTParser took 0.56 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. [2019-11-16 21:35:16,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 8155.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 945.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 47.6 MB. Max. memory is 12.5 GB. [2019-11-16 21:35:16,636 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 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 8155.83 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 948.8 MB in the beginning and 945.6 MB in the end (delta: 3.2 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...