./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 -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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 f27978245b745c4c1bf9ac9e9a05dcbe72554d36 ............................................................................................................................. 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 -ea -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 f27978245b745c4c1bf9ac9e9a05dcbe72554d36 ............................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 21:51:54,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:51:54,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:51:54,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:51:54,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:51:54,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:51:54,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:51:54,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:51:54,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:51:54,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:51:54,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:51:54,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:51:54,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:51:54,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:51:54,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:51:54,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:51:54,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:51:54,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:51:54,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:51:54,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:51:54,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:51:54,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:51:54,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:51:54,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:51:54,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:51:54,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:51:54,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:51:54,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:51:54,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:51:54,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:51:54,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:51:54,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:51:54,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:51:54,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:51:54,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:51:54,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:51:54,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:51:54,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:51:54,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:51:54,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:51:54,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:51:54,860 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 21:51:54,875 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:51:54,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:51:54,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:51:54,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:51:54,878 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:51:54,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:51:54,879 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:51:54,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 21:51:54,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:51:54,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:51:54,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:51:54,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:51:54,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:51:54,881 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:51:54,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:51:54,881 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:51:54,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:51:54,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:51:54,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:51:54,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:51:54,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:51:54,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:51:54,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:51:54,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:51:54,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:51:54,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 21:51:54,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 21:51:54,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:51:54,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:51:54,885 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 -> f27978245b745c4c1bf9ac9e9a05dcbe72554d36 [2020-07-28 21:51:55,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:51:55,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:51:55,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:51:55,261 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:51:55,266 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:51:55,267 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-07-28 21:51:55,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8963ca3fc/b5538dbc07244f7d9d95d01fd6b85263/FLAGb54702a25 [2020-07-28 21:51:56,131 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:51:56,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-07-28 21:51:56,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8963ca3fc/b5538dbc07244f7d9d95d01fd6b85263/FLAGb54702a25 [2020-07-28 21:51:56,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8963ca3fc/b5538dbc07244f7d9d95d01fd6b85263 [2020-07-28 21:51:56,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:51:56,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:51:56,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:51:56,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:51:56,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:51:56,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:51:56" (1/1) ... [2020-07-28 21:51:56,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25448621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:51:56, skipping insertion in model container [2020-07-28 21:51:56,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:51:56" (1/1) ... [2020-07-28 21:51:56,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:51:56,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:52:00,349 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-07-28 21:52:00,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d8bcd64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:52:00, skipping insertion in model container [2020-07-28 21:52:00,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:52:00,352 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-07-28 21:52:00,356 INFO L168 Benchmark]: Toolchain (without parser) took 3702.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2020-07-28 21:52:00,357 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:52:00,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3695.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2020-07-28 21:52:00,360 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3695.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4701]: 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 0.1.25-8bd4bc6 [2020-07-28 21:52:02,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 21:52:02,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 21:52:02,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 21:52:02,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 21:52:02,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 21:52:02,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 21:52:02,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 21:52:02,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 21:52:02,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 21:52:02,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 21:52:02,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 21:52:02,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 21:52:02,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 21:52:02,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 21:52:02,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 21:52:02,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 21:52:02,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 21:52:02,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 21:52:02,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 21:52:02,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 21:52:02,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 21:52:02,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 21:52:02,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 21:52:02,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 21:52:02,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 21:52:02,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 21:52:02,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 21:52:02,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 21:52:02,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 21:52:02,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 21:52:02,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 21:52:02,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 21:52:02,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 21:52:02,368 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 21:52:02,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 21:52:02,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 21:52:02,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 21:52:02,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 21:52:02,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 21:52:02,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 21:52:02,372 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 21:52:02,392 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 21:52:02,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 21:52:02,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 21:52:02,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 21:52:02,394 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 21:52:02,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 21:52:02,395 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 21:52:02,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 21:52:02,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 21:52:02,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 21:52:02,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 21:52:02,396 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 21:52:02,397 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 21:52:02,397 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 21:52:02,397 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 21:52:02,397 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 21:52:02,398 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 21:52:02,398 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 21:52:02,398 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 21:52:02,399 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 21:52:02,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 21:52:02,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 21:52:02,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 21:52:02,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 21:52:02,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 21:52:02,400 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 21:52:02,401 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 21:52:02,401 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 21:52:02,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 21:52:02,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 21:52:02,402 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 21:52:02,402 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 -> f27978245b745c4c1bf9ac9e9a05dcbe72554d36 [2020-07-28 21:52:02,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 21:52:02,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 21:52:02,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 21:52:02,735 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 21:52:02,735 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 21:52:02,736 INFO L429 ainManager$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 [2020-07-28 21:52:02,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7e86dec/02fc8e67a8bb4266a2019744cdd38c3c/FLAGaf65f4fd7 [2020-07-28 21:52:03,597 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 21:52:03,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2020-07-28 21:52:03,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7e86dec/02fc8e67a8bb4266a2019744cdd38c3c/FLAGaf65f4fd7 [2020-07-28 21:52:04,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7e86dec/02fc8e67a8bb4266a2019744cdd38c3c [2020-07-28 21:52:04,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 21:52:04,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 21:52:04,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 21:52:04,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 21:52:04,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 21:52:04,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:52:04" (1/1) ... [2020-07-28 21:52:04,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3efd6ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:52:04, skipping insertion in model container [2020-07-28 21:52:04,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 09:52:04" (1/1) ... [2020-07-28 21:52:04,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 21:52:04,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 21:52:07,540 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-07-28 21:52:07,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a60bc66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 09:52:07, skipping insertion in model container [2020-07-28 21:52:07,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 21:52:07,541 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-07-28 21:52:07,544 INFO L168 Benchmark]: Toolchain (without parser) took 3480.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2020-07-28 21:52:07,545 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 21:52:07,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3471.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2020-07-28 21:52:07,549 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 3471.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4701]: 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...