./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs --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 3be8737422649a962e56b08bad0231d16298e713 ........................................................................................................................................... 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_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs --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 3be8737422649a962e56b08bad0231d16298e713 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:03:46,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:03:46,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:03:46,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:03:46,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:03:46,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:03:46,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:03:46,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:03:46,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:03:46,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:03:46,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:03:46,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:03:46,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:03:46,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:03:46,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:03:46,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:03:46,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:03:46,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:03:46,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:03:46,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:03:46,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:03:46,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:03:46,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:03:46,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:03:46,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:03:46,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:03:46,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:03:46,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:03:46,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:03:46,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:03:46,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:03:46,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:03:46,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:03:46,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:03:46,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:03:46,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:03:46,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:03:46,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:03:46,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:03:46,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:03:46,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:03:46,472 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:03:46,502 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:03:46,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:03:46,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:03:46,504 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:03:46,505 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:03:46,505 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:03:46,506 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:03:46,506 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:03:46,506 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:03:46,507 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:03:46,507 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:03:46,508 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:03:46,508 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:03:46,509 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:03:46,509 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:03:46,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:03:46,511 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:03:46,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:03:46,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:03:46,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:03:46,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:03:46,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:03:46,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:03:46,514 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:03:46,514 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:03:46,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:03:46,515 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:03:46,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:03:46,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:03:46,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:03:46,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:03:46,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:03:46,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:03:46,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:03:46,518 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:03:46,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:03:46,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:03:46,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:03:46,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:03:46,520 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_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2021-10-16 02:03:46,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:03:46,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:03:46,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:03:46,852 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:03:46,853 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:03:46,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-16 02:03:46,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/data/976f438eb/7be7a831ee6542afac77c35812c74b1f/FLAG45f396804 [2021-10-16 02:03:47,881 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:03:47,885 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-16 02:03:47,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/data/976f438eb/7be7a831ee6542afac77c35812c74b1f/FLAG45f396804 [2021-10-16 02:03:48,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/data/976f438eb/7be7a831ee6542afac77c35812c74b1f [2021-10-16 02:03:48,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:03:48,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:03:48,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:03:48,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:03:48,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:03:48,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:03:48" (1/1) ... [2021-10-16 02:03:48,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef92db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:48, skipping insertion in model container [2021-10-16 02:03:48,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:03:48" (1/1) ... [2021-10-16 02:03:48,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:03:48,449 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:03:48,950 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_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-16 02:03:54,481 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-16 02:03:54,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b61228a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:54, skipping insertion in model container [2021-10-16 02:03:54,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:03:54,483 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:03:54,486 INFO L168 Benchmark]: Toolchain (without parser) took 6180.36 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 47.3 MB in the beginning and 72.7 MB in the end (delta: -25.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:03:54,487 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 74.7 MB in the beginning and 74.6 MB in the end (delta: 52.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:03:54,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6159.78 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 70.3 MB in the beginning and 72.7 MB in the end (delta: -2.4 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:03:54,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory was 74.7 MB in the beginning and 74.6 MB in the end (delta: 52.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6159.78 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 70.3 MB in the beginning and 72.7 MB in the end (delta: -2.4 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:03:57,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:03:57,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:03:57,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:03:57,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:03:57,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:03:57,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:03:57,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:03:57,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:03:57,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:03:57,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:03:57,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:03:57,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:03:57,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:03:57,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:03:57,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:03:57,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:03:57,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:03:57,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:03:57,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:03:57,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:03:57,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:03:57,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:03:57,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:03:57,328 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:03:57,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:03:57,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:03:57,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:03:57,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:03:57,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:03:57,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:03:57,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:03:57,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:03:57,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:03:57,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:03:57,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:03:57,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:03:57,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:03:57,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:03:57,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:03:57,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:03:57,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:03:57,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:03:57,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:03:57,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:03:57,373 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:03:57,374 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:03:57,374 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:03:57,374 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:03:57,375 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:03:57,375 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:03:57,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:03:57,376 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:03:57,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:03:57,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:03:57,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:03:57,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:03:57,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:03:57,378 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:03:57,378 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:03:57,378 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:03:57,378 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:03:57,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:03:57,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:03:57,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:03:57,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:03:57,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:03:57,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:03:57,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:03:57,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:03:57,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:03:57,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:03:57,381 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:03:57,382 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:03:57,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:03:57,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:03:57,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:03:57,383 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_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3be8737422649a962e56b08bad0231d16298e713 [2021-10-16 02:03:57,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:03:57,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:03:57,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:03:57,844 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:03:57,845 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:03:57,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-16 02:03:57,946 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/data/4959b7fb0/f846e6c0d5574bf2af0e59d6df9a8d32/FLAG977c99394 [2021-10-16 02:03:58,989 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:03:58,990 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2021-10-16 02:03:59,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/data/4959b7fb0/f846e6c0d5574bf2af0e59d6df9a8d32/FLAG977c99394 [2021-10-16 02:03:59,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/bin/utaipan-mTDlp9Zugs/data/4959b7fb0/f846e6c0d5574bf2af0e59d6df9a8d32 [2021-10-16 02:03:59,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:03:59,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:03:59,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:03:59,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:03:59,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:03:59,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:03:59" (1/1) ... [2021-10-16 02:03:59,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415c683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:03:59, skipping insertion in model container [2021-10-16 02:03:59,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:03:59" (1/1) ... [2021-10-16 02:03:59,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:03:59,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:04:00,159 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_5fbbaf96-ac0e-4332-a46e-2bcc08e39e98/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i[5469,5482] [2021-10-16 02:04:03,968 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-10-16 02:04:03,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50408a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:04:03, skipping insertion in model container [2021-10-16 02:04:03,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:04:03,969 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:04:03,972 INFO L168 Benchmark]: Toolchain (without parser) took 4607.83 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 38.1 MB in the beginning and 59.4 MB in the end (delta: -21.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:04:03,973 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory was 48.9 MB in the beginning and 48.9 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:04:03,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4604.88 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 37.8 MB in the beginning and 59.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:04:03,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory was 48.9 MB in the beginning and 48.9 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4604.88 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 37.8 MB in the beginning and 59.4 MB in the end (delta: -21.6 MB). Peak memory consumption was 23.5 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...