./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 509859d6 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 0.1.24-509859d [2019-11-27 16:39:24,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:39:24,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:39:24,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:39:24,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:39:24,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:39:24,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:39:24,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:39:24,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:39:24,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:39:24,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:39:24,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:39:24,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:39:24,476 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:39:24,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:39:24,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:39:24,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:39:24,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:39:24,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:39:24,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:39:24,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:39:24,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:39:24,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:39:24,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:39:24,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:39:24,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:39:24,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:39:24,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:39:24,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:39:24,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:39:24,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:39:24,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:39:24,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:39:24,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:39:24,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:39:24,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:39:24,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:39:24,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:39:24,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:39:24,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:39:24,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:39:24,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:39:24,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:39:24,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:39:24,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:39:24,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:39:24,619 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:39:24,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:39:24,622 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:39:24,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:39:24,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:39:24,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:39:24,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:39:24,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:39:24,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:39:24,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:39:24,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:39:24,628 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:39:24,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:39:24,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:39:24,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:39:24,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:39:24,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:39:24,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:39:24,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:39:24,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:39:24,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:39:24,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:39:24,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:39:24,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:39:24,638 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 [2019-11-27 16:39:25,207 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:39:25,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:39:25,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:39:25,249 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:39:25,251 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:39:25,252 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-27 16:39:25,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76937383e/1aac77b034ce452ea71470ddd8e2328a/FLAGbaa3b7b24 [2019-11-27 16:39:27,216 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:39:27,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-27 16:39:27,335 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76937383e/1aac77b034ce452ea71470ddd8e2328a/FLAGbaa3b7b24 [2019-11-27 16:39:27,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76937383e/1aac77b034ce452ea71470ddd8e2328a [2019-11-27 16:39:27,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:39:27,385 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:39:27,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:39:27,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:39:27,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:39:27,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:39:27" (1/1) ... [2019-11-27 16:39:27,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c614111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:27, skipping insertion in model container [2019-11-27 16:39:27,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:39:27" (1/1) ... [2019-11-27 16:39:27,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:39:27,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:39:33,705 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-27 16:39:33,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@fcf1a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:33, skipping insertion in model container [2019-11-27 16:39:33,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:39:33,712 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-27 16:39:33,719 INFO L168 Benchmark]: Toolchain (without parser) took 6328.54 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 941.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:39:33,723 INFO L168 Benchmark]: CDTParser took 2.41 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. [2019-11-27 16:39:33,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6320.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 941.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:39:33,730 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.41 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 6320.07 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 941.5 MB in the end (delta: 14.4 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:39:37,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:39:37,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:39:37,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:39:37,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:39:37,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:39:37,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:39:37,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:39:37,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:39:37,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:39:37,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:39:37,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:39:37,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:39:37,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:39:37,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:39:37,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:39:37,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:39:37,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:39:37,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:39:37,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:39:37,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:39:37,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:39:37,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:39:37,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:39:37,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:39:37,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:39:37,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:39:37,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:39:37,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:39:37,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:39:37,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:39:37,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:39:37,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:39:37,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:39:37,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:39:37,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:39:37,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:39:37,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:39:37,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:39:37,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:39:37,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:39:37,865 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:39:37,907 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:39:37,908 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:39:37,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:39:37,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:39:37,915 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:39:37,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:39:37,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:39:37,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:39:37,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:39:37,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:39:37,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:39:37,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:39:37,922 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:39:37,923 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:39:37,923 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:39:37,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:39:37,924 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:39:37,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:39:37,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:39:37,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:39:37,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:39:37,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:39:37,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:39:37,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:39:37,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:39:37,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:39:37,930 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:39:37,932 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:39:37,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:39:37,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:39:37,934 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 [2019-11-27 16:39:38,565 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:39:38,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:39:38,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:39:38,609 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:39:38,612 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:39:38,614 INFO L428 ainManager$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 [2019-11-27 16:39:38,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de34860c2/6d81a6ca5873459ca3d940f8c5f47fff/FLAG9817a6696 [2019-11-27 16:39:40,642 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:39:40,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2019-11-27 16:39:40,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de34860c2/6d81a6ca5873459ca3d940f8c5f47fff/FLAG9817a6696 [2019-11-27 16:39:40,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de34860c2/6d81a6ca5873459ca3d940f8c5f47fff [2019-11-27 16:39:40,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:39:40,803 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:39:40,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:39:40,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:39:40,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:39:40,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:39:40" (1/1) ... [2019-11-27 16:39:40,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ac3679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:40, skipping insertion in model container [2019-11-27 16:39:40,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:39:40" (1/1) ... [2019-11-27 16:39:40,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:39:41,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:39:47,758 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2019-11-27 16:39:47,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77f4dc35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:39:47, skipping insertion in model container [2019-11-27 16:39:47,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:39:47,761 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-11-27 16:39:47,765 INFO L168 Benchmark]: Toolchain (without parser) took 6960.99 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 945.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:39:47,767 INFO L168 Benchmark]: CDTParser took 0.43 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. [2019-11-27 16:39:47,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6953.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 945.8 MB in the end (delta: 4.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 12.5 GB. [2019-11-27 16:39:47,778 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 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 6953.03 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 950.2 MB in the beginning and 945.8 MB in the end (delta: 4.4 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...