./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/config/TaipanReach.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_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ........................................................................................................................................... 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_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/config/TaipanReach.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_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e8fab23d5cd00fa47cc475e98f18b62d09cf6afd ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:55:29,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:55:29,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:55:29,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:55:29,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:55:29,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:55:29,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:55:29,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:55:29,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:55:29,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:55:29,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:55:29,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:55:29,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:55:29,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:55:29,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:55:29,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:55:29,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:55:29,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:55:29,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:55:29,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:55:29,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:55:29,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:55:29,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:55:29,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:55:29,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:55:29,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:55:29,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:55:29,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:55:29,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:55:29,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:55:29,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:55:29,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:55:29,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:55:29,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:55:29,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:55:29,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:55:29,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:55:29,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:55:29,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:55:29,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:55:29,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:55:29,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:55:29,647 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:55:29,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:55:29,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:55:29,650 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:55:29,650 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:55:29,650 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:55:29,651 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:55:29,651 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:55:29,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:55:29,660 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:55:29,661 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:55:29,662 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:55:29,662 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:55:29,662 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:55:29,662 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:55:29,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:55:29,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:55:29,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:55:29,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:55:29,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:55:29,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:55:29,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:55:29,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:55:29,666 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:55:29,666 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:55:29,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:55:29,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:55:29,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:55:29,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:55:29,669 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:55:29,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:55:29,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:55:29,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:55:29,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:55:29,671 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:55:29,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:55:29,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:55:29,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:55:29,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:55:29,673 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2021-10-13 07:55:30,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:55:30,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:55:30,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:55:30,065 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:55:30,066 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:55:30,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-13 07:55:30,183 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/data/e045eb65b/05d98af7a27043c6a4f0830cae02c7a4/FLAG80f5973c2 [2021-10-13 07:55:31,403 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:55:31,407 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-13 07:55:31,485 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/data/e045eb65b/05d98af7a27043c6a4f0830cae02c7a4/FLAG80f5973c2 [2021-10-13 07:55:31,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/data/e045eb65b/05d98af7a27043c6a4f0830cae02c7a4 [2021-10-13 07:55:31,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:55:31,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:55:31,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:31,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:55:31,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:55:31,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:31" (1/1) ... [2021-10-13 07:55:31,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d428fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:31, skipping insertion in model container [2021-10-13 07:55:31,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:31" (1/1) ... [2021-10-13 07:55:31,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:55:31,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:55:32,395 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_df2ecf28-ee5a-4426-9135-40d55144a87b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-13 07:55:36,689 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-13 07:55:36,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a9ea44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:36, skipping insertion in model container [2021-10-13 07:55:36,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:36,691 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:55:36,693 INFO L168 Benchmark]: Toolchain (without parser) took 5069.44 ms. Allocated memory was 94.4 MB in the beginning and 130.0 MB in the end (delta: 35.7 MB). Free memory was 63.8 MB in the beginning and 89.2 MB in the end (delta: -25.4 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:36,694 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 94.4 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:55:36,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5065.91 ms. Allocated memory was 94.4 MB in the beginning and 130.0 MB in the end (delta: 35.7 MB). Free memory was 63.5 MB in the beginning and 89.2 MB in the end (delta: -25.7 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:36,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 94.4 MB. Free memory is still 70.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5065.91 ms. Allocated memory was 94.4 MB in the beginning and 130.0 MB in the end (delta: 35.7 MB). Free memory was 63.5 MB in the beginning and 89.2 MB in the end (delta: -25.7 MB). Peak memory consumption was 35.2 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:55:39,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:55:39,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:55:39,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:55:39,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:55:39,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:55:39,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:55:39,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:55:39,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:55:39,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:55:39,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:55:39,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:55:39,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:55:39,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:55:39,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:55:39,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:55:39,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:55:39,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:55:39,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:55:39,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:55:39,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:55:39,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:55:39,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:55:39,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:55:39,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:55:39,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:55:39,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:55:39,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:55:39,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:55:39,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:55:39,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:55:39,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:55:39,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:55:39,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:55:39,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:55:39,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:55:39,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:55:39,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:55:39,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:55:39,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:55:39,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:55:39,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-13 07:55:39,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:55:39,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:55:39,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:55:39,500 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:55:39,500 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:55:39,501 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:55:39,501 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:55:39,501 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:55:39,502 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:55:39,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:55:39,503 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:55:39,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:55:39,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:55:39,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:55:39,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:55:39,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:55:39,504 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:55:39,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:55:39,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:55:39,505 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:55:39,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:55:39,506 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:55:39,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:55:39,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:55:39,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:55:39,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:55:39,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:55:39,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:55:39,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:55:39,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:55:39,508 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:55:39,509 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:55:39,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:55:39,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:55:39,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:55:39,510 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_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8fab23d5cd00fa47cc475e98f18b62d09cf6afd [2021-10-13 07:55:39,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:55:39,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:55:39,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:55:40,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:55:40,001 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:55:40,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-13 07:55:40,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/data/deb4a406f/74b1380d93e04022a4483adebe4dae8d/FLAG417aba7d4 [2021-10-13 07:55:41,176 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:55:41,178 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-10-13 07:55:41,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/data/deb4a406f/74b1380d93e04022a4483adebe4dae8d/FLAG417aba7d4 [2021-10-13 07:55:41,549 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df2ecf28-ee5a-4426-9135-40d55144a87b/bin/utaipan-q2qaUkNPG8/data/deb4a406f/74b1380d93e04022a4483adebe4dae8d [2021-10-13 07:55:41,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:55:41,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:55:41,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:41,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:55:41,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:55:41,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:41" (1/1) ... [2021-10-13 07:55:41,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79bd94da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:41, skipping insertion in model container [2021-10-13 07:55:41,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:55:41" (1/1) ... [2021-10-13 07:55:41,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:55:41,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:55:42,275 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_df2ecf28-ee5a-4426-9135-40d55144a87b/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-10-13 07:55:47,477 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-13 07:55:47,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b6b3010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:55:47, skipping insertion in model container [2021-10-13 07:55:47,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:55:47,479 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:55:47,482 INFO L168 Benchmark]: Toolchain (without parser) took 5925.76 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 37.1 MB in the beginning and 48.5 MB in the end (delta: -11.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:47,483 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 69.2 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:55:47,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5922.65 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 36.8 MB in the beginning and 48.5 MB in the end (delta: -11.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-13 07:55:47,487 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 69.2 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5922.65 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 36.8 MB in the beginning and 48.5 MB in the end (delta: -11.7 MB). Peak memory consumption was 16.7 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...