./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 f4b24e32 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_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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 21:52:43,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 21:52:43,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 21:52:43,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 21:52:43,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 21:52:43,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 21:52:43,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 21:52:43,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 21:52:43,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 21:52:43,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 21:52:43,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 21:52:43,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 21:52:43,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 21:52:43,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 21:52:43,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 21:52:43,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 21:52:43,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 21:52:43,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 21:52:43,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 21:52:43,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 21:52:43,547 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 21:52:43,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 21:52:43,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 21:52:43,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 21:52:43,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 21:52:43,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 21:52:43,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 21:52:43,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 21:52:43,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 21:52:43,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 21:52:43,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 21:52:43,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 21:52:43,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 21:52:43,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 21:52:43,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 21:52:43,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 21:52:43,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 21:52:43,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 21:52:43,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 21:52:43,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 21:52:43,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 21:52:43,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 21:52:43,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 21:52:43,598 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 21:52:43,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 21:52:43,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 21:52:43,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 21:52:43,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 21:52:43,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 21:52:43,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 21:52:43,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 21:52:43,603 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 21:52:43,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 21:52:43,604 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 21:52:43,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 21:52:43,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 21:52:43,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 21:52:43,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 21:52:43,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 21:52:43,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 21:52:43,605 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 21:52:43,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 21:52:43,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 21:52:43,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 21:52:43,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 21:52:43,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 21:52:43,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 21:52:43,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 21:52:43,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 21:52:43,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 21:52:43,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 21:52:43,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 21:52:43,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 21:52:43,608 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 21:52:43,608 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 21:52:43,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 21:52:43,609 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-07-13 21:52:43,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 21:52:43,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 21:52:43,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 21:52:43,891 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 21:52:43,892 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 21:52:43,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-07-13 21:52:43,953 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4191e204/69c18423b73b49c5aed08b2b024765a6/FLAG92ae4e40a [2022-07-13 21:52:44,589 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 21:52:44,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-07-13 21:52:44,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4191e204/69c18423b73b49c5aed08b2b024765a6/FLAG92ae4e40a [2022-07-13 21:52:44,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4191e204/69c18423b73b49c5aed08b2b024765a6 [2022-07-13 21:52:44,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 21:52:44,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 21:52:44,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 21:52:44,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 21:52:44,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 21:52:44,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 09:52:44" (1/1) ... [2022-07-13 21:52:44,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47febde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:52:44, skipping insertion in model container [2022-07-13 21:52:44,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 09:52:44" (1/1) ... [2022-07-13 21:52:44,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 21:52:45,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 21:52:45,419 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-07-13 21:52:48,304 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-07-13 21:52:48,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fac637f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:52:48, skipping insertion in model container [2022-07-13 21:52:48,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 21:52:48,306 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-13 21:52:48,308 INFO L158 Benchmark]: Toolchain (without parser) took 3381.03ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 65.9MB in the beginning and 113.6MB in the end (delta: -47.7MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-07-13 21:52:48,308 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 21:52:48,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3363.91ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 88.9MB in the beginning and 113.6MB in the end (delta: -24.7MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2022-07-13 21:52:48,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3363.91ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 88.9MB in the beginning and 113.6MB in the end (delta: -24.7MB). Peak memory consumption was 49.2MB. 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_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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 21:52:50,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 21:52:50,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 21:52:50,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 21:52:50,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 21:52:50,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 21:52:50,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 21:52:50,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 21:52:50,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 21:52:50,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 21:52:50,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 21:52:50,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 21:52:50,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 21:52:50,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 21:52:50,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 21:52:50,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 21:52:50,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 21:52:50,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 21:52:50,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 21:52:50,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 21:52:50,185 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 21:52:50,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 21:52:50,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 21:52:50,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 21:52:50,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 21:52:50,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 21:52:50,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 21:52:50,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 21:52:50,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 21:52:50,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 21:52:50,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 21:52:50,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 21:52:50,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 21:52:50,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 21:52:50,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 21:52:50,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 21:52:50,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 21:52:50,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 21:52:50,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 21:52:50,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 21:52:50,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 21:52:50,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 21:52:50,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-13 21:52:50,252 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 21:52:50,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 21:52:50,253 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 21:52:50,253 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 21:52:50,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 21:52:50,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 21:52:50,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 21:52:50,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 21:52:50,255 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 21:52:50,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 21:52:50,256 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 21:52:50,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 21:52:50,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 21:52:50,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 21:52:50,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 21:52:50,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 21:52:50,267 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-13 21:52:50,268 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-13 21:52:50,268 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-13 21:52:50,268 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 21:52:50,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 21:52:50,268 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 21:52:50,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 21:52:50,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 21:52:50,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 21:52:50,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 21:52:50,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 21:52:50,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 21:52:50,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 21:52:50,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 21:52:50,270 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-13 21:52:50,271 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-13 21:52:50,271 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 21:52:50,271 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 21:52:50,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 21:52:50,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-13 21:52:50,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2022-07-13 21:52:50,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 21:52:50,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 21:52:50,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 21:52:50,599 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 21:52:50,600 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 21:52:50,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-07-13 21:52:50,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ecffe50/603b398dc2024e1790fbb25fa8b3e9f8/FLAG46887e159 [2022-07-13 21:52:51,389 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 21:52:51,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2022-07-13 21:52:51,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ecffe50/603b398dc2024e1790fbb25fa8b3e9f8/FLAG46887e159 [2022-07-13 21:52:51,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26ecffe50/603b398dc2024e1790fbb25fa8b3e9f8 [2022-07-13 21:52:51,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 21:52:51,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 21:52:51,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 21:52:51,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 21:52:51,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 21:52:51,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 09:52:51" (1/1) ... [2022-07-13 21:52:51,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7a325c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:52:51, skipping insertion in model container [2022-07-13 21:52:51,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 09:52:51" (1/1) ... [2022-07-13 21:52:51,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 21:52:51,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 21:52:52,149 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_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2022-07-13 21:52:54,194 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2022-07-13 21:52:54,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d9330b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 09:52:54, skipping insertion in model container [2022-07-13 21:52:54,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 21:52:54,195 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-13 21:52:54,198 INFO L158 Benchmark]: Toolchain (without parser) took 2545.35ms. Allocated memory was 50.3MB in the beginning and 79.7MB in the end (delta: 29.4MB). Free memory was 25.9MB in the beginning and 43.8MB in the end (delta: -17.9MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-07-13 21:52:54,199 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 21:52:54,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2543.47ms. Allocated memory was 50.3MB in the beginning and 79.7MB in the end (delta: 29.4MB). Free memory was 25.6MB in the beginning and 43.8MB in the end (delta: -18.2MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-07-13 21:52:54,202 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2543.47ms. Allocated memory was 50.3MB in the beginning and 79.7MB in the end (delta: 29.4MB). Free memory was 25.6MB in the beginning and 43.8MB in the end (delta: -18.2MB). Peak memory consumption was 19.8MB. 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