./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/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_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/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_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 ...................................................................................................................................... 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_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/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_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/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_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 ....................................................................................................................................... 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 02:22:54,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 02:22:54,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 02:22:54,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 02:22:54,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 02:22:54,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 02:22:54,510 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 02:22:54,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 02:22:54,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 02:22:54,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 02:22:54,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 02:22:54,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 02:22:54,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 02:22:54,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 02:22:54,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 02:22:54,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 02:22:54,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 02:22:54,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 02:22:54,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 02:22:54,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 02:22:54,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 02:22:54,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 02:22:54,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 02:22:54,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 02:22:54,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 02:22:54,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 02:22:54,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 02:22:54,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 02:22:54,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 02:22:54,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 02:22:54,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 02:22:54,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 02:22:54,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 02:22:54,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 02:22:54,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 02:22:54,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 02:22:54,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 02:22:54,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 02:22:54,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 02:22:54,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 02:22:54,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 02:22:54,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-10-20 02:22:54,637 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 02:22:54,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 02:22:54,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-20 02:22:54,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-20 02:22:54,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 02:22:54,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 02:22:54,640 INFO L138 SettingsManager]: * Use SBE=true [2021-10-20 02:22:54,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 02:22:54,641 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 02:22:54,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 02:22:54,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 02:22:54,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 02:22:54,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 02:22:54,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 02:22:54,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 02:22:54,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 02:22:54,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 02:22:54,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 02:22:54,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 02:22:54,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 02:22:54,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 02:22:54,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-20 02:22:54,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 02:22:54,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:22:54,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 02:22:54,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 02:22:54,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 02:22:54,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-20 02:22:54,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 02:22:54,647 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-20 02:22:54,647 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-20 02:22:54,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 02:22:54,648 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-20 02:22:54,648 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-20 02:22:54,648 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_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-10-20 02:22:55,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 02:22:55,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 02:22:55,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 02:22:55,034 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 02:22:55,035 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 02:22:55,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-20 02:22:55,112 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/data/299cf8de6/f9206fe77499477e8f9a3a94a4b5a867/FLAG905e42062 [2021-10-20 02:22:55,964 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 02:22:55,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-20 02:22:56,014 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/data/299cf8de6/f9206fe77499477e8f9a3a94a4b5a867/FLAG905e42062 [2021-10-20 02:22:56,454 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/data/299cf8de6/f9206fe77499477e8f9a3a94a4b5a867 [2021-10-20 02:22:56,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 02:22:56,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 02:22:56,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 02:22:56,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 02:22:56,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 02:22:56,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e7db03 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 02:22:56,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:22:56" (1/1) ... [2021-10-20 02:22:56,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 02:22:56,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 02:22:57,067 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_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-20 02:23:00,572 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-20 02:23:00,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1bda91f2 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 02:23:00,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:00,573 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 02:23:00,577 INFO L168 Benchmark]: Toolchain (without parser) took 4116.28 ms. Allocated memory is still 111.1 MB. Free memory was 66.3 MB in the beginning and 74.7 MB in the end (delta: -8.5 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:00,580 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 75.5 MB. Free memory was 51.7 MB in the beginning and 51.7 MB in the end (delta: 27.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 02:23:00,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4108.08 ms. Allocated memory is still 111.1 MB. Free memory was 66.0 MB in the beginning and 74.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:00,584 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 75.5 MB. Free memory was 51.7 MB in the beginning and 51.7 MB in the end (delta: 27.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4108.08 ms. Allocated memory is still 111.1 MB. Free memory was 66.0 MB in the beginning and 74.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 21.7 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 02:23:02,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 02:23:02,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 02:23:03,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 02:23:03,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 02:23:03,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 02:23:03,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 02:23:03,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 02:23:03,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 02:23:03,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 02:23:03,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 02:23:03,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 02:23:03,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 02:23:03,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 02:23:03,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 02:23:03,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 02:23:03,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 02:23:03,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 02:23:03,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 02:23:03,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 02:23:03,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 02:23:03,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 02:23:03,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 02:23:03,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 02:23:03,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 02:23:03,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 02:23:03,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 02:23:03,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 02:23:03,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 02:23:03,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 02:23:03,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 02:23:03,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 02:23:03,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 02:23:03,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 02:23:03,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 02:23:03,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 02:23:03,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 02:23:03,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 02:23:03,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 02:23:03,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 02:23:03,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 02:23:03,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-10-20 02:23:03,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 02:23:03,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 02:23:03,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-20 02:23:03,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-20 02:23:03,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-20 02:23:03,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-20 02:23:03,157 INFO L138 SettingsManager]: * Use SBE=true [2021-10-20 02:23:03,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 02:23:03,158 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 02:23:03,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 02:23:03,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 02:23:03,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 02:23:03,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 02:23:03,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 02:23:03,160 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-20 02:23:03,161 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-20 02:23:03,161 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 02:23:03,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 02:23:03,161 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 02:23:03,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 02:23:03,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 02:23:03,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-20 02:23:03,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 02:23:03,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 02:23:03,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 02:23:03,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 02:23:03,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 02:23:03,164 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-20 02:23:03,164 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-20 02:23:03,164 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-20 02:23:03,164 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-20 02:23:03,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 02:23:03,165 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-20 02:23:03,165 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-20 02:23:03,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 02:23:03,166 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_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-10-20 02:23:03,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 02:23:03,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 02:23:03,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 02:23:03,560 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 02:23:03,560 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 02:23:03,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-20 02:23:03,639 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/data/1079c2a99/7921479058d944b296b02c6bbc773024/FLAG745e17533 [2021-10-20 02:23:04,565 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 02:23:04,566 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-20 02:23:04,633 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/data/1079c2a99/7921479058d944b296b02c6bbc773024/FLAG745e17533 [2021-10-20 02:23:05,014 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/bin/ugemcutter-S3k5n7jwrD/data/1079c2a99/7921479058d944b296b02c6bbc773024 [2021-10-20 02:23:05,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 02:23:05,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 02:23:05,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:05,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 02:23:05,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 02:23:05,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:23:05" (1/1) ... [2021-10-20 02:23:05,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1796812f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:05, skipping insertion in model container [2021-10-20 02:23:05,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 02:23:05" (1/1) ... [2021-10-20 02:23:05,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 02:23:05,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 02:23:05,589 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_9aa4e75d-6432-4b91-a48e-dcbef5ec6849/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-20 02:23:09,003 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-20 02:23:09,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e951442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 02:23:09, skipping insertion in model container [2021-10-20 02:23:09,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 02:23:09,007 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-20 02:23:09,009 INFO L168 Benchmark]: Toolchain (without parser) took 3989.93 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 37.6 MB in the beginning and 41.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:09,011 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 58.7 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 42.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 02:23:09,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3987.37 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 37.3 MB in the beginning and 41.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-20 02:23:09,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 58.7 MB. Free memory was 38.6 MB in the beginning and 38.6 MB in the end (delta: 42.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3987.37 ms. Allocated memory was 58.7 MB in the beginning and 79.7 MB in the end (delta: 21.0 MB). Free memory was 37.3 MB in the beginning and 41.0 MB in the end (delta: -3.7 MB). Peak memory consumption was 27.2 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...