./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 02:22:54,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 02:22:54,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 02:22:54,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 02:22:54,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 02:22:54,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 02:22:54,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 02:22:54,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 02:22:54,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 02:22:54,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 02:22:54,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 02:22:54,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 02:22:54,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 02:22:54,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 02:22:54,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 02:22:54,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 02:22:54,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 02:22:54,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 02:22:54,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 02:22:54,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 02:22:54,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 02:22:54,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 02:22:54,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 02:22:54,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 02:22:54,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 02:22:54,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 02:22:54,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 02:22:54,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 02:22:54,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 02:22:54,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 02:22:54,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 02:22:54,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 02:22:54,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 02:22:54,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 02:22:54,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 02:22:54,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 02:22:54,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 02:22:54,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 02:22:54,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 02:22:54,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 02:22:54,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 02:22:54,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-20 02:22:54,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 02:22:54,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 02:22:54,511 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-20 02:22:54,511 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-20 02:22:54,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 02:22:54,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 02:22:54,513 INFO L138 SettingsManager]: * Use SBE=true [2021-10-20 02:22:54,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 02:22:54,513 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 02:22:54,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 02:22:54,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 02:22:54,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 02:22:54,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 02:22:54,515 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 02:22:54,515 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 02:22:54,515 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 02:22:54,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 02:22:54,516 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 02:22:54,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 02:22:54,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 02:22:54,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 02:22:54,517 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-20 02:22:54,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 02:22:54,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:22:54,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 02:22:54,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 02:22:54,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 02:22:54,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-20 02:22:54,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 02:22:54,525 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-20 02:22:54,526 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-20 02:22:54,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 02:22:54,526 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-20 02:22:54,526 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-20 02:22:54,527 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-10-20 02:22:54,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 02:22:54,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 02:22:54,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 02:22:54,890 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 02:22:54,891 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 02:22:54,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-20 02:22:54,975 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/data/2d801e7b4/e66fe13fba7a4488964d1e5be99e9c49/FLAG9aa64059f [2021-10-20 02:22:55,947 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 02:22:55,948 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-20 02:22:56,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/data/2d801e7b4/e66fe13fba7a4488964d1e5be99e9c49/FLAG9aa64059f [2021-10-20 02:22:56,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/data/2d801e7b4/e66fe13fba7a4488964d1e5be99e9c49 [2021-10-20 02:22:56,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 02:22:56,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 02:22:56,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 02:22:56,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 02:22:56,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 02:22:56,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9da1b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:22:56, skipping insertion in model container [2021-10-20 02:22:56,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 02:22:56,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 02:22:57,005 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-10-20 02:23:00,368 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-20 02:23:00,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48b51901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:00, skipping insertion in model container [2021-10-20 02:23:00,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:00,370 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 02:23:00,373 INFO L168 Benchmark]: Toolchain (without parser) took 3955.63 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 48.0 MB in the beginning and 71.4 MB in the end (delta: -23.4 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:00,374 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 48.1 MB in the beginning and 48.0 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 02:23:00,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3951.35 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 47.8 MB in the beginning and 71.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:00,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 90.2 MB. Free memory was 48.1 MB in the beginning and 48.0 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3951.35 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 47.8 MB in the beginning and 71.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 02:23:02,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 02:23:02,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 02:23:02,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 02:23:02,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 02:23:02,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 02:23:02,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 02:23:02,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 02:23:02,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 02:23:02,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 02:23:02,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 02:23:02,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 02:23:02,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 02:23:02,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 02:23:02,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 02:23:02,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 02:23:02,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 02:23:02,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 02:23:02,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 02:23:02,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 02:23:02,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 02:23:02,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 02:23:02,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 02:23:02,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 02:23:02,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 02:23:02,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 02:23:02,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 02:23:02,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 02:23:02,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 02:23:02,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 02:23:02,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 02:23:02,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 02:23:02,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 02:23:02,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 02:23:02,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 02:23:02,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 02:23:02,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 02:23:02,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 02:23:02,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 02:23:02,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 02:23:02,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 02:23:02,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-20 02:23:02,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 02:23:02,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 02:23:02,910 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-20 02:23:02,911 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-20 02:23:02,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 02:23:02,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 02:23:02,913 INFO L138 SettingsManager]: * Use SBE=true [2021-10-20 02:23:02,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 02:23:02,914 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 02:23:02,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 02:23:02,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 02:23:02,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 02:23:02,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 02:23:02,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 02:23:02,916 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 02:23:02,917 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 02:23:02,917 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 02:23:02,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 02:23:02,917 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 02:23:02,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 02:23:02,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 02:23:02,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 02:23:02,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 02:23:02,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:23:02,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 02:23:02,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 02:23:02,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 02:23:02,920 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-20 02:23:02,920 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 02:23:02,920 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-20 02:23:02,921 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-20 02:23:02,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 02:23:02,921 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-20 02:23:02,922 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-20 02:23:02,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 02:23:02,922 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05f1ed1f4f014b7e58c65c643f68ece5abfd718428c23bf2bab82914d3413304 [2021-10-20 02:23:03,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 02:23:03,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 02:23:03,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 02:23:03,397 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 02:23:03,398 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 02:23:03,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-20 02:23:03,470 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/data/fdd77ac10/21adbc0bed4d4405bca16090ab8aa342/FLAG6be9a00bb [2021-10-20 02:23:04,475 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 02:23:04,476 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i [2021-10-20 02:23:04,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/data/fdd77ac10/21adbc0bed4d4405bca16090ab8aa342/FLAG6be9a00bb [2021-10-20 02:23:04,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/bin/ugemcutter-S3k5n7jwrD/data/fdd77ac10/21adbc0bed4d4405bca16090ab8aa342 [2021-10-20 02:23:04,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 02:23:04,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 02:23:04,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:04,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 02:23:04,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 02:23:04,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:23:04" (1/1) ... [2021-10-20 02:23:04,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311daf04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:04, skipping insertion in model container [2021-10-20 02:23:04,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:23:04" (1/1) ... [2021-10-20 02:23:04,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 02:23:05,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 02:23:05,453 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7e5263-542b-4f69-8abf-50aacdefb8d6/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_nvram_unlocked_ioctl.i[5469,5482] [2021-10-20 02:23:08,778 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-20 02:23:08,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@250c6f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:08, skipping insertion in model container [2021-10-20 02:23:08,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:08,779 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 02:23:08,782 INFO L168 Benchmark]: Toolchain (without parser) took 3893.63 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 27.9 MB in the beginning and 33.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:08,783 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 52.4 MB. Free memory was 33.2 MB in the beginning and 33.2 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 02:23:08,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3889.09 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 27.7 MB in the beginning and 33.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:08,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 52.4 MB. Free memory was 33.2 MB in the beginning and 33.2 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3889.09 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 27.7 MB in the beginning and 33.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...