./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8 --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:00:31,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:00:31,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:00:31,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:00:31,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:00:31,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:00:31,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:00:31,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:00:31,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:00:31,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:00:31,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:00:31,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:00:31,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:00:31,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:00:31,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:00:31,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:00:31,484 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:00:31,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:00:31,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:00:31,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:00:31,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:00:31,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:00:31,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:00:31,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:00:31,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:00:31,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:00:31,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:00:31,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:00:31,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:00:31,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:00:31,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:00:31,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:00:31,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:00:31,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:00:31,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:00:31,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:00:31,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:00:31,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:00:31,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:00:31,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:00:31,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:00:31,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:00:31,588 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:00:31,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:00:31,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:00:31,591 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:00:31,591 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:00:31,592 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:00:31,592 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:00:31,592 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:00:31,593 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:00:31,593 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:00:31,594 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:00:31,595 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:00:31,595 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:00:31,595 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:00:31,596 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:00:31,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:00:31,597 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:00:31,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:00:31,598 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:00:31,598 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:00:31,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:00:31,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:00:31,599 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:00:31,599 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:00:31,600 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:00:31,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:00:31,600 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:00:31,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:00:31,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:00:31,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:00:31,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:00:31,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:00:31,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:00:31,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:00:31,603 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:00:31,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:00:31,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:00:31,604 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:00:31,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:00:31,604 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_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-11-07 02:00:31,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:00:31,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:00:31,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:00:31,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:00:31,944 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:00:31,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-07 02:00:32,031 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/data/8fa29eaaa/52807eab69b6485ea99947f05de0aca8/FLAG0159df694 [2021-11-07 02:00:32,950 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:00:32,954 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-07 02:00:33,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/data/8fa29eaaa/52807eab69b6485ea99947f05de0aca8/FLAG0159df694 [2021-11-07 02:00:33,397 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/data/8fa29eaaa/52807eab69b6485ea99947f05de0aca8 [2021-11-07 02:00:33,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:00:33,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:00:33,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:00:33,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:00:33,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:00:33,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:00:33" (1/1) ... [2021-11-07 02:00:33,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693a5fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:33, skipping insertion in model container [2021-11-07 02:00:33,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:00:33" (1/1) ... [2021-11-07 02:00:33,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:00:33,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:00:33,969 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_182c7349-b3b3-47c6-a3af-851a4b02695e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-11-07 02:00:37,345 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-07 02:00:37,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@118f11c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:37, skipping insertion in model container [2021-11-07 02:00:37,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:00:37,346 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:00:37,348 INFO L168 Benchmark]: Toolchain (without parser) took 3946.44 ms. Allocated memory is still 111.1 MB. Free memory was 85.6 MB in the beginning and 73.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:00:37,349 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 60.8 MB in the beginning and 60.8 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:00:37,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3944.08 ms. Allocated memory is still 111.1 MB. Free memory was 85.1 MB in the beginning and 73.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2021-11-07 02:00:37,355 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 60.8 MB in the beginning and 60.8 MB in the end (delta: 28.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3944.08 ms. Allocated memory is still 111.1 MB. Free memory was 85.1 MB in the beginning and 73.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 36.7 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8 --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 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:00:39,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:00:39,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:00:39,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:00:39,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:00:39,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:00:39,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:00:39,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:00:39,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:00:39,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:00:39,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:00:39,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:00:39,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:00:39,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:00:39,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:00:39,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:00:39,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:00:39,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:00:39,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:00:39,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:00:39,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:00:39,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:00:39,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:00:39,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:00:39,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:00:39,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:00:39,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:00:39,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:00:39,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:00:39,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:00:39,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:00:39,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:00:39,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:00:39,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:00:39,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:00:39,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:00:39,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:00:39,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:00:39,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:00:39,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:00:39,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:00:39,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 02:00:39,929 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:00:39,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:00:39,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:00:39,931 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:00:39,931 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:00:39,931 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:00:39,932 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:00:39,932 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:00:39,932 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:00:39,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:00:39,934 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:00:39,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:00:39,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:00:39,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:00:39,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:00:39,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:00:39,935 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:00:39,935 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:00:39,936 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:00:39,936 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:00:39,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:00:39,936 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:00:39,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:00:39,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:00:39,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:00:39,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:00:39,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:00:39,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:00:39,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:00:39,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:00:39,939 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:00:39,939 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:00:39,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:00:39,940 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:00:39,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:00:39,940 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_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a382c3d3f68b2f5ab68f4f645755e252baf0f41b5f6fcd4ac49047e77a0e936 [2021-11-07 02:00:40,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:00:40,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:00:40,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:00:40,404 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:00:40,405 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:00:40,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-07 02:00:40,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/data/80f2313ee/f440d4dc0c0f496fbc2b68e9f79452fe/FLAGb0ed76a89 [2021-11-07 02:00:41,665 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:00:41,666 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i [2021-11-07 02:00:41,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/data/80f2313ee/f440d4dc0c0f496fbc2b68e9f79452fe/FLAGb0ed76a89 [2021-11-07 02:00:41,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182c7349-b3b3-47c6-a3af-851a4b02695e/bin/utaipan-UUZaoUuFF8/data/80f2313ee/f440d4dc0c0f496fbc2b68e9f79452fe [2021-11-07 02:00:41,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:00:41,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:00:41,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:00:41,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:00:41,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:00:41,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:00:41" (1/1) ... [2021-11-07 02:00:41,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b576f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:41, skipping insertion in model container [2021-11-07 02:00:41,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:00:41" (1/1) ... [2021-11-07 02:00:41,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:00:41,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:00:42,349 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_182c7349-b3b3-47c6-a3af-851a4b02695e/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_write_nvram.i[5469,5482] [2021-11-07 02:00:45,834 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-07 02:00:45,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c5fc20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:00:45, skipping insertion in model container [2021-11-07 02:00:45,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:00:45,839 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 02:00:45,842 INFO L168 Benchmark]: Toolchain (without parser) took 4094.47 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 27.4 MB in the beginning and 53.1 MB in the end (delta: -25.7 MB). Peak memory consumption was 19.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:00:45,844 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 60.8 MB. Free memory was 41.0 MB in the beginning and 41.0 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:00:45,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4071.49 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 41.1 MB in the beginning and 53.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:00:45,850 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 60.8 MB. Free memory was 41.0 MB in the beginning and 41.0 MB in the end (delta: 44.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4071.49 ms. Allocated memory was 60.8 MB in the beginning and 92.3 MB in the end (delta: 31.5 MB). Free memory was 41.1 MB in the beginning and 53.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 31.3 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN