./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 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a12094a8f4406ebf79a2184ba1d0efcca615660 ........................................................................................................................... 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 -Xmx15G -Xms4m -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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a12094a8f4406ebf79a2184ba1d0efcca615660 ............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 03:10:50,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 03:10:50,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 03:10:50,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 03:10:50,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 03:10:50,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 03:10:50,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 03:10:50,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 03:10:50,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 03:10:50,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 03:10:50,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 03:10:50,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 03:10:50,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 03:10:50,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 03:10:50,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 03:10:50,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 03:10:50,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 03:10:50,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 03:10:50,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 03:10:50,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 03:10:50,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 03:10:50,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 03:10:50,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 03:10:50,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 03:10:50,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 03:10:50,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 03:10:50,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 03:10:50,302 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 03:10:50,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 03:10:50,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 03:10:50,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 03:10:50,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 03:10:50,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 03:10:50,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 03:10:50,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 03:10:50,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 03:10:50,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 03:10:50,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 03:10:50,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 03:10:50,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 03:10:50,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 03:10:50,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 03:10:50,364 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 03:10:50,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 03:10:50,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 03:10:50,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 03:10:50,369 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 03:10:50,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 03:10:50,370 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 03:10:50,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 03:10:50,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 03:10:50,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 03:10:50,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 03:10:50,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 03:10:50,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 03:10:50,372 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 03:10:50,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 03:10:50,373 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 03:10:50,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 03:10:50,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 03:10:50,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 03:10:50,374 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 03:10:50,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 03:10:50,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:10:50,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 03:10:50,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 03:10:50,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 03:10:50,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 03:10:50,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 03:10:50,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 03:10:50,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 03:10:50,377 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(reach_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 -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2020-10-20 03:10:50,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 03:10:50,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 03:10:50,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 03:10:50,583 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 03:10:50,583 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 03:10:50,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-10-20 03:10:50,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88bca9492/8a85a316dde74a8fa6b63d67b16b9f0c/FLAGa1a8c7955 [2020-10-20 03:10:51,454 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 03:10:51,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-10-20 03:10:51,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88bca9492/8a85a316dde74a8fa6b63d67b16b9f0c/FLAGa1a8c7955 [2020-10-20 03:10:51,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88bca9492/8a85a316dde74a8fa6b63d67b16b9f0c [2020-10-20 03:10:51,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 03:10:51,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 03:10:51,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 03:10:51,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 03:10:51,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 03:10:51,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:10:51" (1/1) ... [2020-10-20 03:10:51,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a4cfc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:10:51, skipping insertion in model container [2020-10-20 03:10:51,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:10:51" (1/1) ... [2020-10-20 03:10:51,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 03:10:51,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 03:10:54,431 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-20 03:10:54,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ba44dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:10:54, skipping insertion in model container [2020-10-20 03:10:54,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 03:10:54,433 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 03:10:54,437 INFO L168 Benchmark]: Toolchain (without parser) took 2898.30 ms. Allocated memory was 43.5 MB in the beginning and 51.4 MB in the end (delta: 7.9 MB). Free memory was 20.4 MB in the beginning and 16.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. [2020-10-20 03:10:54,439 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 32.0 MB. Free memory was 9.6 MB in the beginning and 9.5 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. [2020-10-20 03:10:54,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2886.79 ms. Allocated memory was 43.5 MB in the beginning and 51.4 MB in the end (delta: 7.9 MB). Free memory was 19.5 MB in the beginning and 16.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 14.3 GB. [2020-10-20 03:10:54,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 32.0 MB. Free memory was 9.6 MB in the beginning and 9.5 MB in the end (delta: 45.7 kB). Peak memory consumption was 45.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 2886.79 ms. Allocated memory was 43.5 MB in the beginning and 51.4 MB in the end (delta: 7.9 MB). Free memory was 19.5 MB in the beginning and 16.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 20.0 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: 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 0.1.25-9a8b2e8 [2020-10-20 03:10:56,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 03:10:56,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 03:10:56,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 03:10:56,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 03:10:56,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 03:10:56,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 03:10:56,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 03:10:56,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 03:10:56,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 03:10:56,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 03:10:56,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 03:10:56,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 03:10:56,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 03:10:56,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 03:10:56,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 03:10:56,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 03:10:56,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 03:10:56,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 03:10:56,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 03:10:56,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 03:10:56,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 03:10:56,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 03:10:56,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 03:10:56,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 03:10:56,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 03:10:56,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 03:10:56,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 03:10:56,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 03:10:56,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 03:10:56,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 03:10:56,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 03:10:56,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 03:10:56,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 03:10:56,404 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 03:10:56,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 03:10:56,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 03:10:56,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 03:10:56,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 03:10:56,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 03:10:56,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 03:10:56,408 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 03:10:56,434 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 03:10:56,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 03:10:56,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 03:10:56,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 03:10:56,438 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 03:10:56,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 03:10:56,439 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 03:10:56,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 03:10:56,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 03:10:56,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 03:10:56,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 03:10:56,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 03:10:56,440 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 03:10:56,440 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 03:10:56,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 03:10:56,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 03:10:56,440 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 03:10:56,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 03:10:56,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 03:10:56,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 03:10:56,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 03:10:56,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 03:10:56,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:10:56,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 03:10:56,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 03:10:56,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 03:10:56,443 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 03:10:56,443 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 03:10:56,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 03:10:56,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 03:10:56,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 03:10:56,445 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(reach_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 -> 6a12094a8f4406ebf79a2184ba1d0efcca615660 [2020-10-20 03:10:56,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 03:10:56,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 03:10:56,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 03:10:56,685 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 03:10:56,686 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 03:10:56,687 INFO L432 ainManager$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 [2020-10-20 03:10:56,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53c39ca5c/28653a01571c4adeba03760708670f62/FLAG4bb4ec291 [2020-10-20 03:10:57,578 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 03:10:57,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2020-10-20 03:10:57,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53c39ca5c/28653a01571c4adeba03760708670f62/FLAG4bb4ec291 [2020-10-20 03:10:58,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53c39ca5c/28653a01571c4adeba03760708670f62 [2020-10-20 03:10:58,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 03:10:58,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 03:10:58,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 03:10:58,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 03:10:58,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 03:10:58,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:10:58" (1/1) ... [2020-10-20 03:10:58,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155e5827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:10:58, skipping insertion in model container [2020-10-20 03:10:58,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:10:58" (1/1) ... [2020-10-20 03:10:58,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 03:10:58,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 03:11:00,951 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-20 03:11:00,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@751df94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:00, skipping insertion in model container [2020-10-20 03:11:00,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:00,952 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 03:11:00,954 INFO L168 Benchmark]: Toolchain (without parser) took 2929.96 ms. Allocated memory was 36.7 MB in the beginning and 53.5 MB in the end (delta: 16.8 MB). Free memory was 12.1 MB in the beginning and 24.6 MB in the end (delta: -12.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:00,955 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 33.6 MB. Free memory was 18.4 MB in the beginning and 18.3 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 03:11:00,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2921.95 ms. Allocated memory was 36.7 MB in the beginning and 53.5 MB in the end (delta: 16.8 MB). Free memory was 11.4 MB in the beginning and 24.6 MB in the end (delta: -13.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:00,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 33.6 MB. Free memory was 18.4 MB in the beginning and 18.3 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 2921.95 ms. Allocated memory was 36.7 MB in the beginning and 53.5 MB in the end (delta: 16.8 MB). Free memory was 11.4 MB in the beginning and 24.6 MB in the end (delta: -13.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: 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...