./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/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_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:43:06,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:43:06,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:43:06,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:43:06,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:43:06,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:43:06,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:43:06,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:43:06,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:43:06,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:43:06,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:43:06,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:43:06,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:43:06,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:43:06,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:43:06,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:43:06,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:43:06,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:43:06,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:43:06,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:43:06,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:43:06,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:43:06,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:43:06,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:43:06,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:43:06,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:43:06,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:43:06,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:43:06,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:43:06,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:43:06,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:43:06,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:43:06,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:43:06,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:43:06,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:43:06,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:43:06,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:43:06,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:43:06,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:43:06,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:43:06,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:43:06,512 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 01:43:06,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:43:06,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:43:06,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:43:06,544 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:43:06,544 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:43:06,544 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:43:06,545 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:43:06,545 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:43:06,545 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:43:06,546 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:43:06,546 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:43:06,546 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:43:06,547 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:43:06,547 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:43:06,547 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:43:06,548 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:43:06,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:43:06,549 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:43:06,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:43:06,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:43:06,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:43:06,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:43:06,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:43:06,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:43:06,551 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:43:06,551 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:43:06,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:43:06,552 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:43:06,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:43:06,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:43:06,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:43:06,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:43:06,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:43:06,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:43:06,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:43:06,554 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:43:06,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:43:06,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:43:06,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:43:06,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:43:06,556 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_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-13 01:43:06,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:43:06,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:43:06,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:43:06,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:43:06,943 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:43:06,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-13 01:43:07,022 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/data/554cfc778/b188cf77229847758d628a4a17cbbcd5/FLAG490c66dd4 [2021-11-13 01:43:08,173 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:43:08,174 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-13 01:43:08,239 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/data/554cfc778/b188cf77229847758d628a4a17cbbcd5/FLAG490c66dd4 [2021-11-13 01:43:08,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/data/554cfc778/b188cf77229847758d628a4a17cbbcd5 [2021-11-13 01:43:08,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:43:08,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:43:08,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:43:08,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:43:08,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:43:08,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:08" (1/1) ... [2021-11-13 01:43:08,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:08, skipping insertion in model container [2021-11-13 01:43:08,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:08" (1/1) ... [2021-11-13 01:43:08,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:43:08,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:43:09,245 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_d72f321e-4a7e-4932-bd96-226c77b5602f/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-13 01:43:12,945 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-13 01:43:12,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36aad096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:12, skipping insertion in model container [2021-11-13 01:43:12,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:43:12,947 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 01:43:12,949 INFO L158 Benchmark]: Toolchain (without parser) took 4421.01ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 81.0MB in the beginning and 105.6MB in the end (delta: -24.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-11-13 01:43:12,949 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:43:12,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4418.06ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 80.7MB in the beginning and 105.6MB in the end (delta: -24.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2021-11-13 01:43:12,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4418.06ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 80.7MB in the beginning and 105.6MB in the end (delta: -24.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/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_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF --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 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:43:15,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:43:15,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:43:15,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:43:15,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:43:15,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:43:15,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:43:15,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:43:15,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:43:15,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:43:15,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:43:15,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:43:15,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:43:15,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:43:15,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:43:15,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:43:15,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:43:15,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:43:15,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:43:15,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:43:15,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:43:15,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:43:15,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:43:15,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:43:15,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:43:15,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:43:15,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:43:15,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:43:15,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:43:15,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:43:15,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:43:15,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:43:15,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:43:15,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:43:15,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:43:15,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:43:15,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:43:15,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:43:15,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:43:15,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:43:15,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:43:15,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-13 01:43:15,454 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:43:15,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:43:15,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:43:15,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:43:15,456 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:43:15,456 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:43:15,456 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:43:15,457 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:43:15,457 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:43:15,457 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:43:15,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:43:15,458 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:43:15,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:43:15,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:43:15,459 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:43:15,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:43:15,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:43:15,459 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:43:15,459 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 01:43:15,460 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 01:43:15,460 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:43:15,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:43:15,460 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:43:15,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:43:15,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:43:15,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 01:43:15,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:43:15,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:43:15,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:43:15,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:43:15,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:43:15,462 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 01:43:15,462 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 01:43:15,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:43:15,463 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:43:15,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:43:15,463 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_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30012893862a7e15af8bbbaf0239dbd2e8b93523943e1ee06536b5f9fb75a514 [2021-11-13 01:43:15,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:43:15,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:43:15,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:43:15,924 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:43:15,924 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:43:15,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-13 01:43:16,014 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/data/8b4bf72e3/c4fd1271bc984b25958ec82e6ef6eb46/FLAG30325323e [2021-11-13 01:43:17,057 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:43:17,058 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i [2021-11-13 01:43:17,116 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/data/8b4bf72e3/c4fd1271bc984b25958ec82e6ef6eb46/FLAG30325323e [2021-11-13 01:43:17,497 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d72f321e-4a7e-4932-bd96-226c77b5602f/bin/utaipan-vmNK8stdcF/data/8b4bf72e3/c4fd1271bc984b25958ec82e6ef6eb46 [2021-11-13 01:43:17,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:43:17,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:43:17,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:43:17,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:43:17,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:43:17,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:17" (1/1) ... [2021-11-13 01:43:17,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1066859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:17, skipping insertion in model container [2021-11-13 01:43:17,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:43:17" (1/1) ... [2021-11-13 01:43:17,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:43:17,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:43:18,037 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_d72f321e-4a7e-4932-bd96-226c77b5602f/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_read_nvram_nvram_unlocked_ioctl.i[5469,5482] [2021-11-13 01:43:21,683 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-13 01:43:21,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2398a2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:43:21, skipping insertion in model container [2021-11-13 01:43:21,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:43:21,685 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-13 01:43:21,687 INFO L158 Benchmark]: Toolchain (without parser) took 4185.04ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 46.1MB in the beginning and 69.8MB in the end (delta: -23.8MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2021-11-13 01:43:21,688 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 01:43:21,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4182.63ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 45.9MB in the beginning and 69.8MB in the end (delta: -23.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2021-11-13 01:43:21,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 75.5MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4182.63ms. Allocated memory was 75.5MB in the beginning and 111.1MB in the end (delta: 35.7MB). Free memory was 45.9MB in the beginning and 69.8MB in the end (delta: -23.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN