./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 13:34:31,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 13:34:31,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 13:34:31,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 13:34:31,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 13:34:31,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 13:34:31,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 13:34:31,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 13:34:31,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 13:34:31,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 13:34:31,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 13:34:31,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 13:34:31,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 13:34:31,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 13:34:31,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 13:34:31,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 13:34:31,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 13:34:31,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 13:34:31,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 13:34:31,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 13:34:31,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 13:34:31,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 13:34:31,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 13:34:31,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 13:34:31,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 13:34:31,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 13:34:31,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 13:34:31,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 13:34:31,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 13:34:31,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 13:34:31,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 13:34:31,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 13:34:31,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 13:34:31,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 13:34:31,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 13:34:31,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 13:34:31,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 13:34:31,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 13:34:31,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 13:34:31,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 13:34:31,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 13:34:31,149 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 13:34:31,188 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 13:34:31,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 13:34:31,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 13:34:31,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 13:34:31,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 13:34:31,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 13:34:31,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 13:34:31,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 13:34:31,191 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 13:34:31,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 13:34:31,192 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 13:34:31,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 13:34:31,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 13:34:31,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 13:34:31,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 13:34:31,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 13:34:31,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 13:34:31,193 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 13:34:31,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 13:34:31,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 13:34:31,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 13:34:31,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 13:34:31,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 13:34:31,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 13:34:31,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:34:31,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 13:34:31,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 13:34:31,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 13:34:31,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 13:34:31,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 13:34:31,195 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 13:34:31,195 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 13:34:31,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 13:34:31,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 13:34:31,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-12-22 13:34:31,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 13:34:31,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 13:34:31,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 13:34:31,410 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 13:34:31,411 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 13:34:31,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-12-22 13:34:31,465 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce347c5ca/fa773f95aeb249a4810383db4d8b1161/FLAG29c4f720e [2021-12-22 13:34:32,115 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 13:34:32,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-12-22 13:34:32,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce347c5ca/fa773f95aeb249a4810383db4d8b1161/FLAG29c4f720e [2021-12-22 13:34:32,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce347c5ca/fa773f95aeb249a4810383db4d8b1161 [2021-12-22 13:34:32,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 13:34:32,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 13:34:32,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 13:34:32,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 13:34:32,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 13:34:32,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:34:32" (1/1) ... [2021-12-22 13:34:32,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e12bcd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:34:32, skipping insertion in model container [2021-12-22 13:34:32,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:34:32" (1/1) ... [2021-12-22 13:34:32,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 13:34:32,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 13:34:32,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-12-22 13:34:35,249 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-22 13:34:35,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2970d495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:34:35, skipping insertion in model container [2021-12-22 13:34:35,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 13:34:35,252 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-22 13:34:35,254 INFO L158 Benchmark]: Toolchain (without parser) took 2765.70ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 50.2MB in the beginning and 89.1MB in the end (delta: -38.9MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2021-12-22 13:34:35,254 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 13:34:35,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2762.71ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 49.8MB in the beginning and 89.1MB in the end (delta: -39.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2021-12-22 13:34:35,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 49.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2762.71ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 49.8MB in the beginning and 89.1MB in the end (delta: -39.3MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 13:34:36,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 13:34:36,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 13:34:36,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 13:34:36,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 13:34:36,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 13:34:36,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 13:34:36,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 13:34:36,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 13:34:36,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 13:34:36,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 13:34:36,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 13:34:36,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 13:34:36,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 13:34:36,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 13:34:36,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 13:34:36,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 13:34:36,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 13:34:36,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 13:34:36,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 13:34:36,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 13:34:36,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 13:34:36,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 13:34:36,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 13:34:36,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 13:34:36,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 13:34:36,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 13:34:36,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 13:34:36,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 13:34:36,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 13:34:36,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 13:34:36,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 13:34:36,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 13:34:36,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 13:34:36,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 13:34:36,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 13:34:36,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 13:34:36,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 13:34:36,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 13:34:36,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 13:34:36,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 13:34:36,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-22 13:34:36,952 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 13:34:36,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 13:34:36,954 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 13:34:36,954 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 13:34:36,954 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 13:34:36,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 13:34:36,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 13:34:36,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 13:34:36,956 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 13:34:36,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 13:34:36,957 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 13:34:36,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 13:34:36,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 13:34:36,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 13:34:36,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 13:34:36,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 13:34:36,958 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 13:34:36,958 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-22 13:34:36,958 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-22 13:34:36,958 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 13:34:36,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 13:34:36,959 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 13:34:36,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 13:34:36,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 13:34:36,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 13:34:36,960 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 13:34:36,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 13:34:36,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 13:34:36,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 13:34:36,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 13:34:36,961 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-22 13:34:36,961 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-22 13:34:36,961 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 13:34:36,961 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 13:34:36,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 13:34:36,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 13:34:36,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-22 13:34:36,962 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-12-22 13:34:37,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 13:34:37,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 13:34:37,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 13:34:37,289 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 13:34:37,289 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 13:34:37,291 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-12-22 13:34:37,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a80121b13/9d4c910fbe834d139dc7e746f8dae557/FLAG6acff189c [2021-12-22 13:34:38,010 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 13:34:38,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-12-22 13:34:38,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a80121b13/9d4c910fbe834d139dc7e746f8dae557/FLAG6acff189c [2021-12-22 13:34:38,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a80121b13/9d4c910fbe834d139dc7e746f8dae557 [2021-12-22 13:34:38,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 13:34:38,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 13:34:38,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 13:34:38,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 13:34:38,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 13:34:38,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:34:38" (1/1) ... [2021-12-22 13:34:38,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd51308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:34:38, skipping insertion in model container [2021-12-22 13:34:38,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:34:38" (1/1) ... [2021-12-22 13:34:38,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 13:34:38,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 13:34:38,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-12-22 13:34:40,987 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-12-22 13:34:40,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1cfc7f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:34:40, skipping insertion in model container [2021-12-22 13:34:40,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 13:34:40,989 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-22 13:34:40,991 INFO L158 Benchmark]: Toolchain (without parser) took 2667.04ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 26.7MB in the beginning and 35.6MB in the end (delta: -8.9MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-12-22 13:34:40,992 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 13:34:40,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2663.69ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 26.5MB in the beginning and 35.6MB in the end (delta: -9.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-12-22 13:34:40,995 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2663.69ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 26.5MB in the beginning and 35.6MB in the end (delta: -9.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN