./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta --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 64bit --witnessprinter.graph.data.programhash 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:43:03,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:43:03,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:43:03,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:43:03,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:43:03,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:43:03,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:43:03,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:43:03,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:43:03,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:43:03,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:43:03,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:43:03,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:43:03,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:43:03,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:43:03,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:43:03,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:43:03,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:43:03,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:43:03,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:43:03,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:43:03,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:43:03,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:43:03,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:43:03,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:43:03,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:43:03,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:43:03,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:43:03,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:43:03,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:43:03,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:43:03,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:43:03,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:43:03,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:43:03,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:43:03,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:43:03,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:43:03,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:43:03,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:43:03,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:43:03,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:43:03,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-10-17 17:43:03,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:43:03,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:43:03,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:43:03,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:43:03,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:43:03,427 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:43:03,427 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:43:03,428 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:43:03,428 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:43:03,428 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:43:03,433 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:43:03,433 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:43:03,433 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:43:03,433 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:43:03,434 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:43:03,434 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:43:03,434 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:43:03,434 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:43:03,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:43:03,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:43:03,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:43:03,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:43:03,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:43:03,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:43:03,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:43:03,438 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:43:03,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:43:03,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:43:03,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:43:03,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:43:03,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:43:03,440 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:43:03,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:43:03,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:43:03,441 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:43:03,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:43:03,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:43:03,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:43:03,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 [2022-10-17 17:43:03,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:43:03,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:43:03,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:43:03,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:43:03,813 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:43:03,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2022-10-17 17:43:03,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/data/b8069ef56/848851b8526d4d999981029935200538/FLAG3b91f15f2 [2022-10-17 17:43:04,994 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:43:04,995 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2022-10-17 17:43:05,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/data/b8069ef56/848851b8526d4d999981029935200538/FLAG3b91f15f2 [2022-10-17 17:43:05,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/data/b8069ef56/848851b8526d4d999981029935200538 [2022-10-17 17:43:05,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:43:05,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:43:05,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:43:05,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:43:05,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:43:05,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:43:05" (1/1) ... [2022-10-17 17:43:05,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13100241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:05, skipping insertion in model container [2022-10-17 17:43:05,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:43:05" (1/1) ... [2022-10-17 17:43:05,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:43:05,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:43:09,427 WARN L230 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_55fbccbf-042b-4573-b1cd-e21f6f69927e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2022-10-17 17:43:09,430 WARN L230 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_55fbccbf-042b-4573-b1cd-e21f6f69927e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2022-10-17 17:43:09,430 WARN L230 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_55fbccbf-042b-4573-b1cd-e21f6f69927e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2022-10-17 17:43:09,431 WARN L230 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_55fbccbf-042b-4573-b1cd-e21f6f69927e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2022-10-17 17:43:09,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:43:09,524 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:43:10,009 WARN L230 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_55fbccbf-042b-4573-b1cd-e21f6f69927e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2022-10-17 17:43:10,010 WARN L230 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_55fbccbf-042b-4573-b1cd-e21f6f69927e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2022-10-17 17:43:10,010 WARN L230 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_55fbccbf-042b-4573-b1cd-e21f6f69927e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2022-10-17 17:43:10,015 WARN L230 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_55fbccbf-042b-4573-b1cd-e21f6f69927e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2022-10-17 17:43:10,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:43:10,254 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:43:10,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10 WrapperNode [2022-10-17 17:43:10,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:43:10,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:43:10,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:43:10,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:43:10,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:10,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:10,762 INFO L138 Inliner]: procedures = 518, calls = 3478, calls flagged for inlining = 278, calls inlined = 255, statements flattened = 9040 [2022-10-17 17:43:10,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:43:10,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:43:10,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:43:10,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:43:10,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:10,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:10,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:10,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,206 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:43:11,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:43:11,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:43:11,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:43:11,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (1/1) ... [2022-10-17 17:43:11,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:43:11,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:43:11,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:43:11,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55fbccbf-042b-4573-b1cd-e21f6f69927e/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:43:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2022-10-17 17:43:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2022-10-17 17:43:11,349 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2022-10-17 17:43:11,349 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2022-10-17 17:43:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 17:43:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 17:43:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2022-10-17 17:43:11,350 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2022-10-17 17:43:11,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2022-10-17 17:43:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2022-10-17 17:43:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2022-10-17 17:43:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2022-10-17 17:43:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-17 17:43:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-17 17:43:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 17:43:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 17:43:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2022-10-17 17:43:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2022-10-17 17:43:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2022-10-17 17:43:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2022-10-17 17:43:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-10-17 17:43:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-10-17 17:43:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2022-10-17 17:43:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2022-10-17 17:43:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2022-10-17 17:43:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2022-10-17 17:43:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2022-10-17 17:43:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2022-10-17 17:43:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2022-10-17 17:43:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2022-10-17 17:43:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2022-10-17 17:43:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2022-10-17 17:43:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2022-10-17 17:43:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2022-10-17 17:43:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-17 17:43:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-17 17:43:11,444 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2022-10-17 17:43:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2022-10-17 17:43:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2022-10-17 17:43:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2022-10-17 17:43:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2022-10-17 17:43:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2022-10-17 17:43:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2022-10-17 17:43:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2022-10-17 17:43:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 17:43:11,445 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2022-10-17 17:43:11,445 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2022-10-17 17:43:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2022-10-17 17:43:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2022-10-17 17:43:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-17 17:43:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-17 17:43:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-10-17 17:43:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-10-17 17:43:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 17:43:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 17:43:11,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-10-17 17:43:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-10-17 17:43:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-17 17:43:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-17 17:43:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:43:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2022-10-17 17:43:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2022-10-17 17:43:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-17 17:43:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-17 17:43:11,447 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___4 [2022-10-17 17:43:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___4 [2022-10-17 17:43:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___2 [2022-10-17 17:43:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___2 [2022-10-17 17:43:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2022-10-17 17:43:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2022-10-17 17:43:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-17 17:43:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-17 17:43:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 17:43:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 17:43:11,448 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-10-17 17:43:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-10-17 17:43:11,449 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2022-10-17 17:43:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2022-10-17 17:43:11,449 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2022-10-17 17:43:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2022-10-17 17:43:11,449 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2022-10-17 17:43:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2022-10-17 17:43:11,449 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-17 17:43:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-17 17:43:11,451 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2022-10-17 17:43:11,451 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2022-10-17 17:43:11,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 17:43:11,451 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-17 17:43:11,452 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-17 17:43:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2022-10-17 17:43:11,452 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2022-10-17 17:43:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2022-10-17 17:43:11,452 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2022-10-17 17:43:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 17:43:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-17 17:43:11,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-17 17:43:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2022-10-17 17:43:11,453 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2022-10-17 17:43:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2022-10-17 17:43:11,453 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2022-10-17 17:43:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:43:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2022-10-17 17:43:11,454 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2022-10-17 17:43:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2022-10-17 17:43:11,454 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2022-10-17 17:43:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 17:43:11,455 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 17:43:11,455 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2022-10-17 17:43:11,455 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2022-10-17 17:43:11,455 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2022-10-17 17:43:11,455 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2022-10-17 17:43:11,455 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2022-10-17 17:43:11,455 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2022-10-17 17:43:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-10-17 17:43:11,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-10-17 17:43:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-10-17 17:43:11,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-10-17 17:43:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2022-10-17 17:43:11,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2022-10-17 17:43:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-17 17:43:11,457 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-17 17:43:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2022-10-17 17:43:11,457 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2022-10-17 17:43:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2022-10-17 17:43:11,457 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2022-10-17 17:43:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:43:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-10-17 17:43:11,458 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-10-17 17:43:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-10-17 17:43:11,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-10-17 17:43:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-17 17:43:11,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-17 17:43:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-10-17 17:43:11,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-10-17 17:43:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-10-17 17:43:11,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-10-17 17:43:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2022-10-17 17:43:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-10-17 17:43:11,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-10-17 17:43:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:43:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-17 17:43:11,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-17 17:43:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:43:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 17:43:11,460 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2022-10-17 17:43:11,461 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2022-10-17 17:43:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-17 17:43:11,461 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-10-17 17:43:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2022-10-17 17:43:11,461 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2022-10-17 17:43:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2022-10-17 17:43:11,461 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2022-10-17 17:43:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2022-10-17 17:43:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2022-10-17 17:43:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-10-17 17:43:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-10-17 17:43:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2022-10-17 17:43:11,462 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2022-10-17 17:43:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-10-17 17:43:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-10-17 17:43:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2022-10-17 17:43:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2022-10-17 17:43:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2022-10-17 17:43:11,463 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2022-10-17 17:43:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2022-10-17 17:43:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2022-10-17 17:43:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:43:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:43:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2022-10-17 17:43:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2022-10-17 17:43:11,464 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 17:43:11,464 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 17:43:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2022-10-17 17:43:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2022-10-17 17:43:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-17 17:43:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-17 17:43:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2022-10-17 17:43:11,465 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2022-10-17 17:43:11,465 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-10-17 17:43:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-10-17 17:43:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 17:43:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 17:43:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2022-10-17 17:43:11,466 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2022-10-17 17:43:11,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 17:43:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 17:43:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2022-10-17 17:43:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2022-10-17 17:43:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-10-17 17:43:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-10-17 17:43:11,467 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp [2022-10-17 17:43:11,467 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp [2022-10-17 17:43:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 17:43:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 17:43:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2022-10-17 17:43:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2022-10-17 17:43:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2022-10-17 17:43:11,468 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2022-10-17 17:43:11,468 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-10-17 17:43:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-10-17 17:43:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2022-10-17 17:43:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2022-10-17 17:43:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2022-10-17 17:43:11,469 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2022-10-17 17:43:11,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2022-10-17 17:43:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2022-10-17 17:43:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2022-10-17 17:43:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2022-10-17 17:43:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-10-17 17:43:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-10-17 17:43:11,470 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2022-10-17 17:43:11,470 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2022-10-17 17:43:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 17:43:11,471 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 17:43:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2022-10-17 17:43:11,471 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2022-10-17 17:43:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-10-17 17:43:11,471 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-10-17 17:43:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2022-10-17 17:43:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2022-10-17 17:43:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2022-10-17 17:43:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2022-10-17 17:43:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-17 17:43:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-17 17:43:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2022-10-17 17:43:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2022-10-17 17:43:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:43:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-17 17:43:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-17 17:43:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2022-10-17 17:43:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2022-10-17 17:43:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-10-17 17:43:11,473 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-10-17 17:43:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2022-10-17 17:43:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2022-10-17 17:43:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:43:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-10-17 17:43:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-10-17 17:43:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-10-17 17:43:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-10-17 17:43:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-17 17:43:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-17 17:43:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:43:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-17 17:43:11,475 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-17 17:43:11,475 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 17:43:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 17:43:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2022-10-17 17:43:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2022-10-17 17:43:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-17 17:43:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-17 17:43:11,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2022-10-17 17:43:11,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2022-10-17 17:43:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-17 17:43:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-17 17:43:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2022-10-17 17:43:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2022-10-17 17:43:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2022-10-17 17:43:11,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2022-10-17 17:43:11,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 17:43:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 17:43:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-10-17 17:43:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-10-17 17:43:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2022-10-17 17:43:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2022-10-17 17:43:11,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2022-10-17 17:43:11,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2022-10-17 17:43:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-17 17:43:11,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-17 17:43:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2022-10-17 17:43:11,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2022-10-17 17:43:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2022-10-17 17:43:11,479 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2022-10-17 17:43:11,479 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 17:43:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 17:43:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2022-10-17 17:43:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2022-10-17 17:43:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-17 17:43:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-17 17:43:11,480 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2022-10-17 17:43:11,480 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2022-10-17 17:43:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2022-10-17 17:43:11,481 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2022-10-17 17:43:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-10-17 17:43:11,481 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-10-17 17:43:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-10-17 17:43:11,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-10-17 17:43:11,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:43:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2022-10-17 17:43:11,482 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2022-10-17 17:43:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2022-10-17 17:43:11,482 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2022-10-17 17:43:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 17:43:11,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 17:43:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2022-10-17 17:43:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2022-10-17 17:43:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2022-10-17 17:43:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2022-10-17 17:43:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-10-17 17:43:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-10-17 17:43:11,483 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2022-10-17 17:43:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2022-10-17 17:43:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-17 17:43:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-17 17:43:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2022-10-17 17:43:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2022-10-17 17:43:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-10-17 17:43:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-10-17 17:43:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2022-10-17 17:43:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2022-10-17 17:43:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-10-17 17:43:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-10-17 17:43:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-10-17 17:43:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-10-17 17:43:11,485 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-17 17:43:11,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-17 17:43:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-17 17:43:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-17 17:43:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2022-10-17 17:43:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2022-10-17 17:43:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-17 17:43:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-17 17:43:11,486 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2022-10-17 17:43:11,486 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2022-10-17 17:43:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-17 17:43:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-17 17:43:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 17:43:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-17 17:43:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_nested [2022-10-17 17:43:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_nested [2022-10-17 17:43:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-10-17 17:43:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-10-17 17:43:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:43:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2022-10-17 17:43:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2022-10-17 17:43:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2022-10-17 17:43:11,488 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2022-10-17 17:43:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2022-10-17 17:43:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2022-10-17 17:43:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-17 17:43:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-17 17:43:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-17 17:43:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-10-17 17:43:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-10-17 17:43:12,702 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:43:12,713 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:43:13,054 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 17:43:14,112 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2022-10-17 17:43:22,914 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-17 17:43:23,235 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:43:25,435 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:43:25,436 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-10-17 17:43:25,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:43:25 BoogieIcfgContainer [2022-10-17 17:43:25,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:43:25,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:43:25,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:43:25,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:43:25,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:43:05" (1/3) ... [2022-10-17 17:43:25,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1462c1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:43:25, skipping insertion in model container [2022-10-17 17:43:25,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:43:10" (2/3) ... [2022-10-17 17:43:25,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1462c1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:43:25, skipping insertion in model container [2022-10-17 17:43:25,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:43:25" (3/3) ... [2022-10-17 17:43:25,460 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2022-10-17 17:43:25,483 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:43:25,484 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-10-17 17:43:25,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:43:25,641 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@570d02e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:43:25,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-10-17 17:43:25,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 2608 states, 1550 states have (on average 1.3141935483870968) internal successors, (2037), 1600 states have internal predecessors, (2037), 894 states have call successors, (894), 162 states have call predecessors, (894), 161 states have return successors, (883), 877 states have call predecessors, (883), 883 states have call successors, (883) [2022-10-17 17:43:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-10-17 17:43:25,710 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:43:25,711 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:43:25,712 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-10-17 17:43:25,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:43:25,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1881801967, now seen corresponding path program 1 times [2022-10-17 17:43:25,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:43:25,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270199220] [2022-10-17 17:43:25,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:43:25,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:43:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:43:27,133 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-10-17 17:43:27,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:43:27,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270199220] [2022-10-17 17:43:27,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270199220] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:43:27,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:43:27,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:43:27,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005385635] [2022-10-17 17:43:27,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:43:27,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:43:27,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:43:27,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:43:27,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:43:27,180 INFO L87 Difference]: Start difference. First operand has 2608 states, 1550 states have (on average 1.3141935483870968) internal successors, (2037), 1600 states have internal predecessors, (2037), 894 states have call successors, (894), 162 states have call predecessors, (894), 161 states have return successors, (883), 877 states have call predecessors, (883), 883 states have call successors, (883) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-10-17 17:43:29,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:43:32,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []