./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.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_unlocked_ioctl_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3be8737422649a962e56b08bad0231d16298e713 ........................................................................................................................... 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_unlocked_ioctl_write_nvram.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3be8737422649a962e56b08bad0231d16298e713 ............................................................................................................................. 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 03:11:03,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 03:11:03,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 03:11:03,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 03:11:03,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 03:11:03,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 03:11:03,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 03:11:03,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 03:11:03,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 03:11:03,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 03:11:03,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 03:11:03,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 03:11:03,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 03:11:03,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 03:11:03,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 03:11:03,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 03:11:03,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 03:11:03,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 03:11:03,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 03:11:03,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 03:11:03,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 03:11:03,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 03:11:03,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 03:11:03,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 03:11:03,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 03:11:03,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 03:11:03,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 03:11:03,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 03:11:03,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 03:11:03,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 03:11:03,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 03:11:03,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 03:11:03,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 03:11:03,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 03:11:03,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 03:11:03,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 03:11:03,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 03:11:03,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 03:11:03,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 03:11:03,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 03:11:03,207 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 03:11:03,208 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 03:11:03,230 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 03:11:03,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 03:11:03,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 03:11:03,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 03:11:03,235 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 03:11:03,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 03:11:03,235 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 03:11:03,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 03:11:03,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 03:11:03,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 03:11:03,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 03:11:03,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 03:11:03,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 03:11:03,244 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 03:11:03,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 03:11:03,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 03:11:03,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 03:11:03,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 03:11:03,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 03:11:03,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 03:11:03,245 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 03:11:03,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:11:03,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 03:11:03,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 03:11:03,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 03:11:03,246 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 03:11:03,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 03:11:03,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 03:11:03,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 03:11:03,247 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 -> 3be8737422649a962e56b08bad0231d16298e713 [2020-10-20 03:11:03,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 03:11:03,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 03:11:03,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 03:11:03,461 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 03:11:03,461 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 03:11:03,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-10-20 03:11:03,522 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e126fc40d/93f218a5f1bf427190a0a7cf86787fc3/FLAG6cb038daa [2020-10-20 03:11:04,344 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 03:11:04,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-10-20 03:11:04,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e126fc40d/93f218a5f1bf427190a0a7cf86787fc3/FLAG6cb038daa [2020-10-20 03:11:04,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e126fc40d/93f218a5f1bf427190a0a7cf86787fc3 [2020-10-20 03:11:04,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 03:11:04,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 03:11:04,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:04,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 03:11:04,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 03:11:04,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:04" (1/1) ... [2020-10-20 03:11:04,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46896de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:04, skipping insertion in model container [2020-10-20 03:11:04,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:04" (1/1) ... [2020-10-20 03:11:04,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 03:11:04,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 03:11:07,723 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-20 03:11:07,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@523ea4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:07, skipping insertion in model container [2020-10-20 03:11:07,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:07,725 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 03:11:07,728 INFO L168 Benchmark]: Toolchain (without parser) took 2919.39 ms. Allocated memory was 44.6 MB in the beginning and 50.9 MB in the end (delta: 6.3 MB). Free memory was 22.7 MB in the beginning and 13.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:07,728 INFO L168 Benchmark]: CDTParser took 1.14 ms. Allocated memory is still 34.6 MB. Free memory is still 14.8 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 03:11:07,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2911.33 ms. Allocated memory was 44.6 MB in the beginning and 50.9 MB in the end (delta: 6.3 MB). Free memory was 21.8 MB in the beginning and 13.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:07,732 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14 ms. Allocated memory is still 34.6 MB. Free memory is still 14.8 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 2911.33 ms. Allocated memory was 44.6 MB in the beginning and 50.9 MB in the end (delta: 6.3 MB). Free memory was 21.8 MB in the beginning and 13.7 MB in the end (delta: 8.1 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... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 03:11:09,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 03:11:09,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 03:11:09,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 03:11:09,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 03:11:09,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 03:11:09,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 03:11:09,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 03:11:09,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 03:11:09,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 03:11:09,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 03:11:09,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 03:11:09,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 03:11:09,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 03:11:09,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 03:11:09,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 03:11:09,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 03:11:09,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 03:11:09,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 03:11:09,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 03:11:09,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 03:11:09,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 03:11:09,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 03:11:09,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 03:11:09,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 03:11:09,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 03:11:09,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 03:11:09,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 03:11:09,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 03:11:09,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 03:11:09,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 03:11:09,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 03:11:09,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 03:11:09,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 03:11:09,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 03:11:09,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 03:11:09,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 03:11:09,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 03:11:09,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 03:11:09,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 03:11:09,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 03:11:09,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 03:11:09,635 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 03:11:09,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 03:11:09,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 03:11:09,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 03:11:09,637 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 03:11:09,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 03:11:09,638 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 03:11:09,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 03:11:09,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 03:11:09,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 03:11:09,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 03:11:09,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 03:11:09,639 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 03:11:09,639 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 03:11:09,639 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 03:11:09,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 03:11:09,640 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 03:11:09,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 03:11:09,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 03:11:09,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 03:11:09,641 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 03:11:09,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 03:11:09,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 03:11:09,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 03:11:09,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 03:11:09,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 03:11:09,642 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 03:11:09,643 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 03:11:09,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 03:11:09,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 03:11:09,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 03:11:09,644 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 -> 3be8737422649a962e56b08bad0231d16298e713 [2020-10-20 03:11:09,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 03:11:09,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 03:11:09,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 03:11:09,864 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 03:11:09,865 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 03:11:09,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-10-20 03:11:09,925 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6cd53faf/fab151d11f374607bd65f50c44c772de/FLAGfbf45ffed [2020-10-20 03:11:10,780 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 03:11:10,781 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2020-10-20 03:11:10,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6cd53faf/fab151d11f374607bd65f50c44c772de/FLAGfbf45ffed [2020-10-20 03:11:11,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6cd53faf/fab151d11f374607bd65f50c44c772de [2020-10-20 03:11:11,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 03:11:11,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 03:11:11,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:11,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 03:11:11,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 03:11:11,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:11" (1/1) ... [2020-10-20 03:11:11,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5953b6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:11, skipping insertion in model container [2020-10-20 03:11:11,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 03:11:11" (1/1) ... [2020-10-20 03:11:11,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 03:11:11,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 03:11:14,484 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-10-20 03:11:14,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1188aca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 03:11:14, skipping insertion in model container [2020-10-20 03:11:14,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 03:11:14,486 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-10-20 03:11:14,489 INFO L168 Benchmark]: Toolchain (without parser) took 3160.61 ms. Allocated memory was 41.9 MB in the beginning and 49.8 MB in the end (delta: 7.9 MB). Free memory was 18.4 MB in the beginning and 17.5 MB in the end (delta: 923.7 kB). Peak memory consumption was 21.2 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:14,491 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 31.5 MB. Free memory was 8.4 MB in the beginning and 8.3 MB in the end (delta: 47.8 kB). Peak memory consumption was 47.8 kB. Max. memory is 14.3 GB. [2020-10-20 03:11:14,493 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3146.88 ms. Allocated memory was 41.9 MB in the beginning and 49.8 MB in the end (delta: 7.9 MB). Free memory was 17.6 MB in the beginning and 17.5 MB in the end (delta: 93.4 kB). Peak memory consumption was 20.4 MB. Max. memory is 14.3 GB. [2020-10-20 03:11:14,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 31.5 MB. Free memory was 8.4 MB in the beginning and 8.3 MB in the end (delta: 47.8 kB). Peak memory consumption was 47.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 3146.88 ms. Allocated memory was 41.9 MB in the beginning and 49.8 MB in the end (delta: 7.9 MB). Free memory was 17.6 MB in the beginning and 17.5 MB in the end (delta: 93.4 kB). Peak memory consumption was 20.4 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...