./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/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_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-25 23:24:35,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:24:35,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:24:35,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:24:35,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:24:35,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:24:35,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:24:35,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:24:35,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:24:35,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:24:35,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:24:35,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:24:35,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:24:35,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:24:35,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:24:35,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:24:35,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:24:35,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:24:35,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:24:35,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:24:35,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:24:35,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:24:35,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:24:35,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:24:35,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:24:35,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:24:35,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:24:35,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:24:35,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:24:35,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:24:35,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:24:35,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:24:35,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:24:35,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:24:35,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:24:35,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:24:35,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:24:35,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:24:35,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:24:35,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:24:35,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:24:35,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:24:35,651 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:24:35,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:24:35,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:24:35,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:24:35,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:24:35,653 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:24:35,653 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:24:35,653 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:24:35,653 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:24:35,653 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:24:35,653 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:24:35,654 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:24:35,654 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:24:35,654 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:24:35,654 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:24:35,654 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:24:35,655 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:24:35,655 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:24:35,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:24:35,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:24:35,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:24:35,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:24:35,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:24:35,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:24:35,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:24:35,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:24:35,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:24:35,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:24:35,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:24:35,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:24:35,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:24:35,659 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:24:35,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:24:35,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:24:35,660 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:24:35,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:24:35,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:24:35,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:24:35,661 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_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4035b79a2162ba317b65ff4b4b50beff318d26f8217214f4a55e9e0e820898d1 [2022-11-25 23:24:35,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:24:36,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:24:36,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:24:36,054 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:24:36,055 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:24:36,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2022-11-25 23:24:39,154 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:24:39,990 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:24:39,991 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2022-11-25 23:24:40,030 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/data/ee76ac32f/ae037c8e687145dba2a54596e34f1e9c/FLAGd76f6b531 [2022-11-25 23:24:40,045 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/data/ee76ac32f/ae037c8e687145dba2a54596e34f1e9c [2022-11-25 23:24:40,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:24:40,050 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:24:40,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:24:40,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:24:40,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:24:40,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:24:40" (1/1) ... [2022-11-25 23:24:40,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecd3b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:40, skipping insertion in model container [2022-11-25 23:24:40,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:24:40" (1/1) ... [2022-11-25 23:24:40,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:24:40,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:24:40,886 WARN L623 FunctionHandler]: Unknown extern function mount_nodev [2022-11-25 23:24:40,948 WARN L623 FunctionHandler]: Unknown extern function register_filesystem [2022-11-25 23:24:40,965 WARN L623 FunctionHandler]: Unknown extern function unregister_filesystem [2022-11-25 23:24:41,453 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,455 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,456 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,456 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,457 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,457 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,457 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,458 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,458 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,459 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,459 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,460 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,460 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,461 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,461 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,465 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,466 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,466 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,468 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,468 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,469 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,469 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,470 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,470 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,471 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,471 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,471 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,472 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,472 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,473 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,473 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,473 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,474 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,474 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,475 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,475 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,475 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,476 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,476 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,477 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,477 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,477 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,478 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,478 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:41,637 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:24:41,915 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:41,924 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-11-25 23:24:41,928 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:41,930 WARN L623 FunctionHandler]: Unknown extern function kill_litter_super [2022-11-25 23:24:41,931 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_68 [2022-11-25 23:24:41,932 WARN L623 FunctionHandler]: Unknown extern function kfree_call_rcu [2022-11-25 23:24:41,955 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:41,957 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-25 23:24:41,958 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:41,959 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-11-25 23:24:41,959 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:41,960 WARN L623 FunctionHandler]: Unknown extern function pid_vnr [2022-11-25 23:24:41,961 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:41,961 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:41,962 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:41,962 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:41,963 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:41,964 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:41,965 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:41,976 WARN L623 FunctionHandler]: Unknown extern function clear_inode [2022-11-25 23:24:41,983 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:42,003 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:42,008 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:42,019 WARN L623 FunctionHandler]: Unknown extern function match_token [2022-11-25 23:24:42,020 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-11-25 23:24:42,021 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-11-25 23:24:42,022 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:42,022 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-25 23:24:42,023 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-11-25 23:24:42,024 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:42,024 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-11-25 23:24:42,025 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-11-25 23:24:42,026 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-11-25 23:24:42,027 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-11-25 23:24:42,028 WARN L623 FunctionHandler]: Unknown extern function strsep [2022-11-25 23:24:42,032 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,040 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:24:42,041 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:24:42,042 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:24:42,042 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:24:42,044 WARN L623 FunctionHandler]: Unknown extern function d_make_root [2022-11-25 23:24:42,046 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:42,046 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-11-25 23:24:42,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:42,047 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-11-25 23:24:42,049 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:42,051 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,052 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:24:42,053 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:42,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:42,054 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:42,054 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:42,055 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:42,055 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-11-25 23:24:42,055 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:42,057 WARN L623 FunctionHandler]: Unknown extern function new_inode [2022-11-25 23:24:42,058 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-11-25 23:24:42,059 WARN L623 FunctionHandler]: Unknown extern function get_next_ino [2022-11-25 23:24:42,060 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-11-25 23:24:42,062 WARN L623 FunctionHandler]: Unknown extern function simple_statfs [2022-11-25 23:24:42,075 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:24:42,088 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:24:42,132 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:24:42,137 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:24:42,162 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-11-25 23:24:42,162 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-11-25 23:24:42,178 WARN L623 FunctionHandler]: Unknown extern function lockref_get [2022-11-25 23:24:42,225 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:42,242 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-11-25 23:24:42,355 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,357 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-11-25 23:24:42,358 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-11-25 23:24:42,360 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,361 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:24:42,362 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:24:42,373 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:24:42,382 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:24:42,390 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,392 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,398 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:42,403 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-11-25 23:24:42,405 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:42,407 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,410 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-11-25 23:24:42,411 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-11-25 23:24:42,415 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,417 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-11-25 23:24:42,420 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,423 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,426 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-11-25 23:24:42,428 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,430 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:42,431 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:42,432 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-11-25 23:24:42,434 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:24:42,435 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:42,436 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-11-25 23:24:42,436 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-11-25 23:24:42,437 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-11-25 23:24:42,449 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,451 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-11-25 23:24:42,451 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-11-25 23:24:42,452 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:42,453 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-11-25 23:24:42,453 WARN L623 FunctionHandler]: Unknown extern function drop_nlink [2022-11-25 23:24:42,456 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,458 WARN L623 FunctionHandler]: Unknown extern function inc_nlink [2022-11-25 23:24:42,458 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-11-25 23:24:42,463 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:42,464 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:42,469 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:42,470 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:42,475 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:42,481 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:42,486 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-11-25 23:24:42,488 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,488 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:42,503 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,505 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:24:42,515 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-11-25 23:24:42,515 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-11-25 23:24:42,516 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-11-25 23:24:42,516 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-11-25 23:24:42,517 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-11-25 23:24:42,517 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-11-25 23:24:42,519 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-11-25 23:24:42,520 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-11-25 23:24:42,521 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-11-25 23:24:42,534 WARN L623 FunctionHandler]: Unknown extern function generic_readlink [2022-11-25 23:24:42,585 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:24:42,710 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:24:42,715 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:24:42,721 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:24:42,733 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:24:42,738 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:24:42,738 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:24:42,738 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:24:42,739 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:24:42,739 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:24:42,809 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:24:42,814 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:24:42,819 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:42,820 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 23:24:42,820 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:24:42,827 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:42,828 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 23:24:42,829 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:24:42,880 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-11-25 23:24:42,906 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,907 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:42,908 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:24:42,908 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:42,927 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:24:42,927 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-11-25 23:24:42,934 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:42,939 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-25 23:24:42,939 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-11-25 23:24:42,940 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:42,941 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:42,948 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 23:24:42,949 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 23:24:42,955 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:24:42,961 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-25 23:24:42,963 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-11-25 23:24:42,963 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-11-25 23:24:42,964 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:42,966 WARN L623 FunctionHandler]: Unknown extern function task_tgid_nr_ns [2022-11-25 23:24:42,967 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:24:42,968 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:42,969 WARN L623 FunctionHandler]: Unknown extern function full_name_hash [2022-11-25 23:24:42,969 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:43,017 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:43,017 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:43,018 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:24:43,019 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:43,019 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:43,021 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,023 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,024 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:43,024 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:24:43,027 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-11-25 23:24:43,027 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:24:43,028 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:24:43,028 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:24:43,029 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:24:43,029 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-11-25 23:24:43,034 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,038 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-11-25 23:24:43,040 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:43,040 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:43,043 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:43,043 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:24:43,044 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:43,051 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:24:43,064 WARN L623 FunctionHandler]: Unknown extern function lock_set_class [2022-11-25 23:24:43,077 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-11-25 23:24:43,082 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:24:43,120 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:43,120 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:24:43,121 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:24:43,121 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 23:24:43,153 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,154 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-11-25 23:24:43,155 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-11-25 23:24:43,156 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-11-25 23:24:43,157 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,158 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-11-25 23:24:43,166 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:43,167 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_nested [2022-11-25 23:24:43,168 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:43,174 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:43,176 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_nested [2022-11-25 23:24:43,177 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:43,186 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,187 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-11-25 23:24:43,194 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,196 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,197 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:43,198 WARN L623 FunctionHandler]: Unknown extern function d_invalidate [2022-11-25 23:24:43,199 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:43,210 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,212 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,215 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:43,220 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,226 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,227 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-11-25 23:24:43,233 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:43,236 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,237 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_nested [2022-11-25 23:24:43,242 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,243 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:24:43,246 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:43,250 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:43,251 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-11-25 23:24:43,252 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-11-25 23:24:43,258 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:43,259 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:43,284 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:24:43,333 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:43,334 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:24:43,335 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:24:43,335 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 23:24:43,396 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-25 23:24:43,401 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:43,413 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-25 23:24:43,418 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:43,423 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:43,424 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:43,425 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:43,444 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-11-25 23:24:43,445 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-11-25 23:24:43,445 WARN L623 FunctionHandler]: Unknown extern function follow_up [2022-11-25 23:24:43,446 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-11-25 23:24:43,460 WARN L623 FunctionHandler]: Unknown extern function get_unused_fd_flags [2022-11-25 23:24:43,462 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:43,462 WARN L623 FunctionHandler]: Unknown extern function dentry_open [2022-11-25 23:24:43,463 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-11-25 23:24:43,464 WARN L623 FunctionHandler]: Unknown extern function fd_install [2022-11-25 23:24:43,465 WARN L623 FunctionHandler]: Unknown extern function put_unused_fd [2022-11-25 23:24:43,475 WARN L623 FunctionHandler]: Unknown extern function sys_close [2022-11-25 23:24:43,491 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-11-25 23:24:43,492 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:43,493 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:24:43,494 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:43,494 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-11-25 23:24:43,509 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:43,510 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-25 23:24:43,510 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:43,511 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-11-25 23:24:43,511 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-11-25 23:24:43,521 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-11-25 23:24:43,527 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-11-25 23:24:43,529 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-11-25 23:24:43,530 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-11-25 23:24:43,531 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-11-25 23:24:43,543 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:24:43,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:43,546 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:24:43,546 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:43,547 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:43,547 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:43,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:43,601 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-11-25 23:24:43,604 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-25 23:24:43,604 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-25 23:24:43,649 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:24:43,649 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:24:43,658 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:24:43,879 WARN L237 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_c99fbfa9-1e04-434f-836c-0a09fc9814c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2022-11-25 23:24:43,885 WARN L237 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_c99fbfa9-1e04-434f-836c-0a09fc9814c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2022-11-25 23:24:43,886 WARN L237 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_c99fbfa9-1e04-434f-836c-0a09fc9814c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2022-11-25 23:24:43,886 WARN L237 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_c99fbfa9-1e04-434f-836c-0a09fc9814c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2022-11-25 23:24:43,905 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:43,911 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:43,917 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:43,917 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:43,917 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:43,923 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:43,925 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:43,927 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:43,928 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:43,929 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:43,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:24:43,963 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:24:44,043 WARN L623 FunctionHandler]: Unknown extern function mount_nodev [2022-11-25 23:24:44,047 WARN L623 FunctionHandler]: Unknown extern function register_filesystem [2022-11-25 23:24:44,047 WARN L623 FunctionHandler]: Unknown extern function unregister_filesystem [2022-11-25 23:24:44,053 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,054 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,054 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,054 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,055 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,055 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,055 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,055 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,056 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,056 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,056 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,057 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,057 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,057 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,057 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,058 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,058 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,058 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,058 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,059 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,059 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,059 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,059 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,060 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,060 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,060 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,060 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,061 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,061 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,061 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,061 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,062 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,063 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,064 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,064 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,064 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,064 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,065 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,152 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:24:44,164 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,167 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-11-25 23:24:44,175 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,176 WARN L623 FunctionHandler]: Unknown extern function kill_litter_super [2022-11-25 23:24:44,176 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_68 [2022-11-25 23:24:44,176 WARN L623 FunctionHandler]: Unknown extern function kfree_call_rcu [2022-11-25 23:24:44,183 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:44,186 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-25 23:24:44,186 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:44,187 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-11-25 23:24:44,189 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:44,189 WARN L623 FunctionHandler]: Unknown extern function pid_vnr [2022-11-25 23:24:44,190 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:44,190 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:44,190 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:44,190 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:44,191 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:44,191 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:44,192 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 23:24:44,193 WARN L623 FunctionHandler]: Unknown extern function clear_inode [2022-11-25 23:24:44,193 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,196 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:44,196 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:44,197 WARN L623 FunctionHandler]: Unknown extern function match_token [2022-11-25 23:24:44,198 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-11-25 23:24:44,198 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-11-25 23:24:44,198 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:44,199 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-11-25 23:24:44,199 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-11-25 23:24:44,199 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:44,200 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-11-25 23:24:44,200 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-11-25 23:24:44,201 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-11-25 23:24:44,201 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-11-25 23:24:44,202 WARN L623 FunctionHandler]: Unknown extern function strsep [2022-11-25 23:24:44,204 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,205 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:24:44,205 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:24:44,206 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:24:44,206 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:24:44,208 WARN L623 FunctionHandler]: Unknown extern function d_make_root [2022-11-25 23:24:44,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,210 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-11-25 23:24:44,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,210 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-11-25 23:24:44,213 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,215 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,216 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:24:44,216 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,217 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:44,217 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,218 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,218 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-11-25 23:24:44,218 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,219 WARN L623 FunctionHandler]: Unknown extern function new_inode [2022-11-25 23:24:44,220 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-11-25 23:24:44,221 WARN L623 FunctionHandler]: Unknown extern function get_next_ino [2022-11-25 23:24:44,221 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-11-25 23:24:44,226 WARN L623 FunctionHandler]: Unknown extern function simple_statfs [2022-11-25 23:24:44,227 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:24:44,227 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:24:44,228 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:24:44,229 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:24:44,230 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-11-25 23:24:44,230 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-11-25 23:24:44,231 WARN L623 FunctionHandler]: Unknown extern function lockref_get [2022-11-25 23:24:44,232 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,233 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-11-25 23:24:44,246 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,247 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-11-25 23:24:44,247 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-11-25 23:24:44,250 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,251 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:24:44,252 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:24:44,257 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:24:44,261 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:24:44,264 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,266 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,267 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,270 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-11-25 23:24:44,270 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,274 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,275 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-11-25 23:24:44,276 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-11-25 23:24:44,280 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,281 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-11-25 23:24:44,284 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,286 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,288 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-11-25 23:24:44,291 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,293 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,293 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,295 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-11-25 23:24:44,296 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:24:44,297 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,298 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-11-25 23:24:44,299 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-11-25 23:24:44,299 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-11-25 23:24:44,304 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,304 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-11-25 23:24:44,305 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-11-25 23:24:44,306 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,306 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-11-25 23:24:44,307 WARN L623 FunctionHandler]: Unknown extern function drop_nlink [2022-11-25 23:24:44,310 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,312 WARN L623 FunctionHandler]: Unknown extern function inc_nlink [2022-11-25 23:24:44,313 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-11-25 23:24:44,313 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:44,314 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:44,315 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:44,315 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:44,318 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:44,319 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:44,320 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-11-25 23:24:44,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,321 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:44,324 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,325 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:24:44,334 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-11-25 23:24:44,334 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-11-25 23:24:44,335 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-11-25 23:24:44,335 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-11-25 23:24:44,336 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-11-25 23:24:44,337 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-11-25 23:24:44,338 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-11-25 23:24:44,338 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-11-25 23:24:44,338 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-11-25 23:24:44,341 WARN L623 FunctionHandler]: Unknown extern function generic_readlink [2022-11-25 23:24:44,342 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:24:44,345 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:24:44,346 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:24:44,347 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:24:44,348 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:24:44,348 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:24:44,349 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:24:44,349 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:24:44,349 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-11-25 23:24:44,350 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-11-25 23:24:44,352 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:24:44,353 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:24:44,353 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:44,354 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 23:24:44,354 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:24:44,355 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:44,355 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 23:24:44,355 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:24:44,363 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-11-25 23:24:44,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,366 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,367 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:24:44,367 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:44,372 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:24:44,372 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-11-25 23:24:44,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,378 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-25 23:24:44,378 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-11-25 23:24:44,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,380 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:44,382 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 23:24:44,383 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-11-25 23:24:44,385 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-25 23:24:44,389 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-11-25 23:24:44,391 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-11-25 23:24:44,391 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-11-25 23:24:44,392 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,394 WARN L623 FunctionHandler]: Unknown extern function task_tgid_nr_ns [2022-11-25 23:24:44,425 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:24:44,426 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,426 WARN L623 FunctionHandler]: Unknown extern function full_name_hash [2022-11-25 23:24:44,427 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,428 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,428 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,429 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:24:44,430 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:44,430 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:44,432 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,435 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,436 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,436 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:24:44,437 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-11-25 23:24:44,438 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-11-25 23:24:44,439 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:24:44,439 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:24:44,440 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:24:44,440 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-11-25 23:24:44,442 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,443 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-11-25 23:24:44,444 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,445 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,449 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,449 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:24:44,450 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,452 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:24:44,453 WARN L623 FunctionHandler]: Unknown extern function lock_set_class [2022-11-25 23:24:44,453 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-11-25 23:24:44,454 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:24:44,455 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:44,455 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:24:44,456 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:24:44,456 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-11-25 23:24:44,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,462 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-11-25 23:24:44,462 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-11-25 23:24:44,464 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-11-25 23:24:44,467 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,468 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-11-25 23:24:44,471 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,471 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_nested [2022-11-25 23:24:44,472 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,476 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,477 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_nested [2022-11-25 23:24:44,478 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,480 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,483 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-11-25 23:24:44,486 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,488 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,489 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,489 WARN L623 FunctionHandler]: Unknown extern function d_invalidate [2022-11-25 23:24:44,490 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,492 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,494 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,497 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,500 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,503 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,504 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-11-25 23:24:44,505 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,509 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_nested [2022-11-25 23:24:44,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,514 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-11-25 23:24:44,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:24:44,517 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,518 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-11-25 23:24:44,520 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-11-25 23:24:44,520 WARN L623 FunctionHandler]: Unknown extern function dput [2022-11-25 23:24:44,521 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:44,522 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:24:44,525 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:24:44,526 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:24:44,526 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:24:44,527 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-11-25 23:24:44,529 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-11-25 23:24:44,530 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,531 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-11-25 23:24:44,532 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:24:44,533 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,536 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,536 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,539 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-11-25 23:24:44,540 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-11-25 23:24:44,541 WARN L623 FunctionHandler]: Unknown extern function follow_up [2022-11-25 23:24:44,542 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-11-25 23:24:44,543 WARN L623 FunctionHandler]: Unknown extern function get_unused_fd_flags [2022-11-25 23:24:44,544 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:44,544 WARN L623 FunctionHandler]: Unknown extern function dentry_open [2022-11-25 23:24:44,545 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-11-25 23:24:44,545 WARN L623 FunctionHandler]: Unknown extern function fd_install [2022-11-25 23:24:44,546 WARN L623 FunctionHandler]: Unknown extern function put_unused_fd [2022-11-25 23:24:44,547 WARN L623 FunctionHandler]: Unknown extern function sys_close [2022-11-25 23:24:44,550 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-11-25 23:24:44,550 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,551 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:24:44,552 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:44,552 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-11-25 23:24:44,555 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:44,555 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-25 23:24:44,556 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:24:44,556 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-11-25 23:24:44,557 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-11-25 23:24:44,559 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-11-25 23:24:44,562 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-11-25 23:24:44,564 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-11-25 23:24:44,564 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-11-25 23:24:44,565 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-11-25 23:24:44,568 WARN L623 FunctionHandler]: Unknown extern function capable [2022-11-25 23:24:44,570 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,571 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-25 23:24:44,572 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:44,572 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:44,573 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:24:44,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:24:44,583 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-11-25 23:24:44,585 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-25 23:24:44,586 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-25 23:24:44,590 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:24:44,590 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:24:44,591 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:24:44,604 WARN L237 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_c99fbfa9-1e04-434f-836c-0a09fc9814c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387172,387185] [2022-11-25 23:24:44,605 WARN L237 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_c99fbfa9-1e04-434f-836c-0a09fc9814c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387338,387351] [2022-11-25 23:24:44,606 WARN L237 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_c99fbfa9-1e04-434f-836c-0a09fc9814c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387502,387515] [2022-11-25 23:24:44,611 WARN L237 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_c99fbfa9-1e04-434f-836c-0a09fc9814c1/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i[387667,387680] [2022-11-25 23:24:44,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,614 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,617 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,619 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,620 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,620 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,622 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:24:44,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:24:44,818 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:24:44,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44 WrapperNode [2022-11-25 23:24:44,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:24:44,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:24:44,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:24:44,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:24:44,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44" (1/1) ... [2022-11-25 23:24:44,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44" (1/1) ... [2022-11-25 23:24:45,251 INFO L138 Inliner]: procedures = 518, calls = 3782, calls flagged for inlining = 278, calls inlined = 255, statements flattened = 9323 [2022-11-25 23:24:45,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:24:45,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:24:45,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:24:45,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:24:45,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44" (1/1) ... [2022-11-25 23:24:45,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44" (1/1) ... [2022-11-25 23:24:45,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44" (1/1) ... [2022-11-25 23:24:45,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44" (1/1) ... [2022-11-25 23:24:45,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44" (1/1) ... [2022-11-25 23:24:45,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44" (1/1) ... [2022-11-25 23:24:45,527 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44" (1/1) ... [2022-11-25 23:24:45,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44" (1/1) ... [2022-11-25 23:24:45,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:24:45,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:24:45,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:24:45,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:24:45,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44" (1/1) ... [2022-11-25 23:24:45,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:24:45,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:24:45,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:24:45,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c99fbfa9-1e04-434f-836c-0a09fc9814c1/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:24:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2022-11-25 23:24:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2022-11-25 23:24:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2022-11-25 23:24:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2022-11-25 23:24:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:24:45,784 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:24:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2022-11-25 23:24:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2022-11-25 23:24:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2022-11-25 23:24:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wq_mutex_of_autofs_sb_info [2022-11-25 23:24:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2022-11-25 23:24:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2022-11-25 23:24:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-25 23:24:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-25 23:24:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:24:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:24:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2022-11-25 23:24:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2022-11-25 23:24:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2022-11-25 23:24:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2022-11-25 23:24:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-25 23:24:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-25 23:24:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2022-11-25 23:24:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2022-11-25 23:24:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2022-11-25 23:24:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2022-11-25 23:24:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2022-11-25 23:24:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2022-11-25 23:24:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2022-11-25 23:24:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2022-11-25 23:24:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2022-11-25 23:24:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2022-11-25 23:24:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2022-11-25 23:24:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2022-11-25 23:24:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:24:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:24:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2022-11-25 23:24:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2022-11-25 23:24:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2022-11-25 23:24:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2022-11-25 23:24:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2022-11-25 23:24:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2022-11-25 23:24:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2022-11-25 23:24:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2022-11-25 23:24:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-25 23:24:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2022-11-25 23:24:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2022-11-25 23:24:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2022-11-25 23:24:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2022-11-25 23:24:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:24:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 23:24:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-25 23:24:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-25 23:24:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:24:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:24:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-25 23:24:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-11-25 23:24:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-25 23:24:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-25 23:24:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:24:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2022-11-25 23:24:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2022-11-25 23:24:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-25 23:24:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-25 23:24:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___4 [2022-11-25 23:24:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___4 [2022-11-25 23:24:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure get_current___2 [2022-11-25 23:24:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current___2 [2022-11-25 23:24:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2022-11-25 23:24:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2022-11-25 23:24:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 23:24:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 23:24:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 23:24:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 23:24:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-11-25 23:24:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-11-25 23:24:45,794 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2022-11-25 23:24:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2022-11-25 23:24:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2022-11-25 23:24:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2022-11-25 23:24:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2022-11-25 23:24:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2022-11-25 23:24:45,795 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 23:24:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 23:24:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2022-11-25 23:24:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2022-11-25 23:24:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:24:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 23:24:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 23:24:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2022-11-25 23:24:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2022-11-25 23:24:45,796 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2022-11-25 23:24:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2022-11-25 23:24:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:24:45,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 23:24:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 23:24:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2022-11-25 23:24:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2022-11-25 23:24:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2022-11-25 23:24:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2022-11-25 23:24:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:24:45,798 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2022-11-25 23:24:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2022-11-25 23:24:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2022-11-25 23:24:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2022-11-25 23:24:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:24:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:24:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2022-11-25 23:24:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2022-11-25 23:24:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2022-11-25 23:24:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2022-11-25 23:24:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2022-11-25 23:24:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2022-11-25 23:24:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-25 23:24:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-25 23:24:45,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-25 23:24:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-25 23:24:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2022-11-25 23:24:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2022-11-25 23:24:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-25 23:24:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-25 23:24:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2022-11-25 23:24:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2022-11-25 23:24:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2022-11-25 23:24:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2022-11-25 23:24:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:24:45,802 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-25 23:24:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-25 23:24:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 23:24:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 23:24:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 23:24:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 23:24:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-25 23:24:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-25 23:24:45,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-25 23:24:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-25 23:24:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2022-11-25 23:24:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-25 23:24:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-25 23:24:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:24:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 23:24:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 23:24:45,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:24:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:24:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2022-11-25 23:24:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2022-11-25 23:24:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-25 23:24:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-25 23:24:45,805 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2022-11-25 23:24:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2022-11-25 23:24:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2022-11-25 23:24:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2022-11-25 23:24:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2022-11-25 23:24:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2022-11-25 23:24:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 23:24:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 23:24:45,806 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2022-11-25 23:24:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2022-11-25 23:24:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 23:24:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 23:24:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2022-11-25 23:24:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2022-11-25 23:24:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2022-11-25 23:24:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2022-11-25 23:24:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2022-11-25 23:24:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2022-11-25 23:24:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:24:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:24:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2022-11-25 23:24:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2022-11-25 23:24:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 23:24:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 23:24:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2022-11-25 23:24:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2022-11-25 23:24:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-25 23:24:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-25 23:24:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2022-11-25 23:24:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2022-11-25 23:24:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-11-25 23:24:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-11-25 23:24:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:24:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:24:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2022-11-25 23:24:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2022-11-25 23:24:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:24:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:24:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2022-11-25 23:24:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2022-11-25 23:24:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-25 23:24:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-25 23:24:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp [2022-11-25 23:24:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp [2022-11-25 23:24:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 23:24:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 23:24:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2022-11-25 23:24:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2022-11-25 23:24:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2022-11-25 23:24:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2022-11-25 23:24:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-25 23:24:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-25 23:24:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2022-11-25 23:24:45,812 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2022-11-25 23:24:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2022-11-25 23:24:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2022-11-25 23:24:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2022-11-25 23:24:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pipe_mutex_of_autofs_sb_info [2022-11-25 23:24:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2022-11-25 23:24:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2022-11-25 23:24:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 23:24:45,813 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 23:24:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2022-11-25 23:24:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2022-11-25 23:24:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-25 23:24:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-25 23:24:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2022-11-25 23:24:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2022-11-25 23:24:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-11-25 23:24:45,814 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-11-25 23:24:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2022-11-25 23:24:45,815 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2022-11-25 23:24:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2022-11-25 23:24:45,815 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2022-11-25 23:24:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-25 23:24:45,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-25 23:24:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2022-11-25 23:24:45,815 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2022-11-25 23:24:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:24:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 23:24:45,816 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 23:24:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2022-11-25 23:24:45,816 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2022-11-25 23:24:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-25 23:24:45,816 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-25 23:24:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2022-11-25 23:24:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2022-11-25 23:24:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:24:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-25 23:24:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-25 23:24:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-11-25 23:24:45,817 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-11-25 23:24:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-25 23:24:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-25 23:24:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:24:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-25 23:24:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-25 23:24:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 23:24:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 23:24:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2022-11-25 23:24:45,818 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2022-11-25 23:24:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-25 23:24:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-25 23:24:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2022-11-25 23:24:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_wq_mutex_of_autofs_sb_info [2022-11-25 23:24:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 23:24:45,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 23:24:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2022-11-25 23:24:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2022-11-25 23:24:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2022-11-25 23:24:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2022-11-25 23:24:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 23:24:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 23:24:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 23:24:45,820 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 23:24:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2022-11-25 23:24:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2022-11-25 23:24:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2022-11-25 23:24:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wq_mutex_of_autofs_sb_info [2022-11-25 23:24:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-25 23:24:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-25 23:24:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2022-11-25 23:24:45,821 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2022-11-25 23:24:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2022-11-25 23:24:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2022-11-25 23:24:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:24:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:24:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2022-11-25 23:24:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2022-11-25 23:24:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-25 23:24:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-25 23:24:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2022-11-25 23:24:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2022-11-25 23:24:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2022-11-25 23:24:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2022-11-25 23:24:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-25 23:24:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-25 23:24:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-11-25 23:24:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-11-25 23:24:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:24:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2022-11-25 23:24:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2022-11-25 23:24:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2022-11-25 23:24:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2022-11-25 23:24:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:24:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:24:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2022-11-25 23:24:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2022-11-25 23:24:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2022-11-25 23:24:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2022-11-25 23:24:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-11-25 23:24:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-11-25 23:24:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2022-11-25 23:24:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2022-11-25 23:24:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 23:24:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 23:24:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2022-11-25 23:24:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2022-11-25 23:24:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-25 23:24:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-25 23:24:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2022-11-25 23:24:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2022-11-25 23:24:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-25 23:24:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-25 23:24:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-25 23:24:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-25 23:24:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 23:24:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 23:24:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-25 23:24:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-25 23:24:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2022-11-25 23:24:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2022-11-25 23:24:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 23:24:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 23:24:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2022-11-25 23:24:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2022-11-25 23:24:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 23:24:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 23:24:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 23:24:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-25 23:24:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_nested [2022-11-25 23:24:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_nested [2022-11-25 23:24:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-25 23:24:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-25 23:24:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:24:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2022-11-25 23:24:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2022-11-25 23:24:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2022-11-25 23:24:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2022-11-25 23:24:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2022-11-25 23:24:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2022-11-25 23:24:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 23:24:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 23:24:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-25 23:24:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-11-25 23:24:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-11-25 23:24:47,271 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:24:47,284 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:24:47,636 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:24:48,432 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; [2022-11-25 23:24:57,884 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 23:24:58,189 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:25:00,323 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:25:00,323 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-11-25 23:25:00,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:25:00 BoogieIcfgContainer [2022-11-25 23:25:00,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:25:00,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:25:00,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:25:00,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:25:00,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:24:40" (1/3) ... [2022-11-25 23:25:00,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ce579bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:25:00, skipping insertion in model container [2022-11-25 23:25:00,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:24:44" (2/3) ... [2022-11-25 23:25:00,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ce579bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:25:00, skipping insertion in model container [2022-11-25 23:25:00,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:25:00" (3/3) ... [2022-11-25 23:25:00,394 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_fs-autofs4-autofs4.cil.i [2022-11-25 23:25:00,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:25:00,434 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-25 23:25:00,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:25:00,626 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;@27f060e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:25:00,627 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-25 23:25:00,646 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) [2022-11-25 23:25:00,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-11-25 23:25:00,730 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:00,732 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] [2022-11-25 23:25:00,733 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)] === [2022-11-25 23:25:00,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:00,742 INFO L85 PathProgramCache]: Analyzing trace with hash -277643330, now seen corresponding path program 1 times [2022-11-25 23:25:00,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:00,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216699851] [2022-11-25 23:25:00,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:00,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-11-25 23:25:02,686 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:02,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216699851] [2022-11-25 23:25:02,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216699851] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:02,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:02,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:25:02,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180760991] [2022-11-25 23:25:02,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:02,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:25:02,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:02,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:25:02,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:02,794 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) [2022-11-25 23:25:05,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:09,041 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 [] [2022-11-25 23:25:10,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:10,325 INFO L93 Difference]: Finished difference Result 7356 states and 10872 transitions. [2022-11-25 23:25:10,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:25:10,329 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 465 [2022-11-25 23:25:10,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:10,407 INFO L225 Difference]: With dead ends: 7356 [2022-11-25 23:25:10,408 INFO L226 Difference]: Without dead ends: 4821 [2022-11-25 23:25:10,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:10,443 INFO L413 NwaCegarLoop]: 4960 mSDtfsCounter, 3284 mSDsluCounter, 3342 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3288 SdHoareTripleChecker+Valid, 8302 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:10,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3288 Valid, 8302 Invalid, 924 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 911 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-25 23:25:10,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4821 states. [2022-11-25 23:25:10,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4821 to 4816. [2022-11-25 23:25:10,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4816 states, 2875 states have (on average 1.3067826086956522) internal successors, (3757), 2963 states have internal predecessors, (3757), 1625 states have call successors, (1625), 314 states have call predecessors, (1625), 313 states have return successors, (1625), 1609 states have call predecessors, (1625), 1621 states have call successors, (1625) [2022-11-25 23:25:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4816 states to 4816 states and 7007 transitions. [2022-11-25 23:25:10,972 INFO L78 Accepts]: Start accepts. Automaton has 4816 states and 7007 transitions. Word has length 465 [2022-11-25 23:25:10,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:10,975 INFO L495 AbstractCegarLoop]: Abstraction has 4816 states and 7007 transitions. [2022-11-25 23:25:10,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-11-25 23:25:10,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4816 states and 7007 transitions. [2022-11-25 23:25:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2022-11-25 23:25:10,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:10,998 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 2, 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, 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] [2022-11-25 23:25:10,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:25:10,999 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-11-25 23:25:11,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:11,000 INFO L85 PathProgramCache]: Analyzing trace with hash 317232100, now seen corresponding path program 1 times [2022-11-25 23:25:11,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:11,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364184923] [2022-11-25 23:25:11,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:11,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:11,863 INFO L134 CoverageAnalysis]: Checked inductivity of 7659 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7659 trivial. 0 not checked. [2022-11-25 23:25:11,863 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:11,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364184923] [2022-11-25 23:25:11,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364184923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:11,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:11,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:25:11,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554356765] [2022-11-25 23:25:11,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:11,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:25:11,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:11,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:25:11,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:11,870 INFO L87 Difference]: Start difference. First operand 4816 states and 7007 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-25 23:25:14,418 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 [] [2022-11-25 23:25:17,745 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 [] [2022-11-25 23:25:19,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:19,086 INFO L93 Difference]: Finished difference Result 11680 states and 16960 transitions. [2022-11-25 23:25:19,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:25:19,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 494 [2022-11-25 23:25:19,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:19,153 INFO L225 Difference]: With dead ends: 11680 [2022-11-25 23:25:19,154 INFO L226 Difference]: Without dead ends: 6953 [2022-11-25 23:25:19,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:19,187 INFO L413 NwaCegarLoop]: 4925 mSDtfsCounter, 3174 mSDsluCounter, 3332 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3178 SdHoareTripleChecker+Valid, 8257 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:19,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3178 Valid, 8257 Invalid, 951 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 936 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-11-25 23:25:19,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6953 states. [2022-11-25 23:25:19,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6953 to 6934. [2022-11-25 23:25:19,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6934 states, 4150 states have (on average 1.3050602409638554) internal successors, (5416), 4280 states have internal predecessors, (5416), 2311 states have call successors, (2311), 471 states have call predecessors, (2311), 470 states have return successors, (2319), 2286 states have call predecessors, (2319), 2307 states have call successors, (2319) [2022-11-25 23:25:19,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6934 states to 6934 states and 10046 transitions. [2022-11-25 23:25:19,788 INFO L78 Accepts]: Start accepts. Automaton has 6934 states and 10046 transitions. Word has length 494 [2022-11-25 23:25:19,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:19,789 INFO L495 AbstractCegarLoop]: Abstraction has 6934 states and 10046 transitions. [2022-11-25 23:25:19,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-25 23:25:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 6934 states and 10046 transitions. [2022-11-25 23:25:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-11-25 23:25:19,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:19,805 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:19,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:25:19,806 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-11-25 23:25:19,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:19,807 INFO L85 PathProgramCache]: Analyzing trace with hash 2060169477, now seen corresponding path program 1 times [2022-11-25 23:25:19,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:19,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173661498] [2022-11-25 23:25:19,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:19,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:20,394 INFO L134 CoverageAnalysis]: Checked inductivity of 7659 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7659 trivial. 0 not checked. [2022-11-25 23:25:20,395 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:20,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173661498] [2022-11-25 23:25:20,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173661498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:20,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:20,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:25:20,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771098029] [2022-11-25 23:25:20,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:20,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:25:20,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:20,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:25:20,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:20,402 INFO L87 Difference]: Start difference. First operand 6934 states and 10046 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-25 23:25:23,897 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 [] [2022-11-25 23:25:27,694 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 [] [2022-11-25 23:25:28,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:28,224 INFO L93 Difference]: Finished difference Result 17713 states and 25600 transitions. [2022-11-25 23:25:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:25:28,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 493 [2022-11-25 23:25:28,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:28,330 INFO L225 Difference]: With dead ends: 17713 [2022-11-25 23:25:28,331 INFO L226 Difference]: Without dead ends: 10868 [2022-11-25 23:25:28,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:28,381 INFO L413 NwaCegarLoop]: 4112 mSDtfsCounter, 3042 mSDsluCounter, 3333 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3042 SdHoareTripleChecker+Valid, 7445 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:28,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3042 Valid, 7445 Invalid, 860 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 845 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-11-25 23:25:28,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10868 states. [2022-11-25 23:25:29,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10868 to 10850. [2022-11-25 23:25:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10850 states, 6491 states have (on average 1.3005700200277308) internal successors, (8442), 6702 states have internal predecessors, (8442), 3588 states have call successors, (3588), 769 states have call predecessors, (3588), 768 states have return successors, (3608), 3546 states have call predecessors, (3608), 3584 states have call successors, (3608) [2022-11-25 23:25:29,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10850 states to 10850 states and 15638 transitions. [2022-11-25 23:25:29,319 INFO L78 Accepts]: Start accepts. Automaton has 10850 states and 15638 transitions. Word has length 493 [2022-11-25 23:25:29,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:29,322 INFO L495 AbstractCegarLoop]: Abstraction has 10850 states and 15638 transitions. [2022-11-25 23:25:29,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-25 23:25:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 10850 states and 15638 transitions. [2022-11-25 23:25:29,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-11-25 23:25:29,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:29,341 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, 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] [2022-11-25 23:25:29,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:25:29,341 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-11-25 23:25:29,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:29,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1767236328, now seen corresponding path program 1 times [2022-11-25 23:25:29,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:29,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947684248] [2022-11-25 23:25:29,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:29,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:30,039 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-11-25 23:25:30,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:30,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947684248] [2022-11-25 23:25:30,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947684248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:30,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:30,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:25:30,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693669181] [2022-11-25 23:25:30,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:30,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:25:30,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:30,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:25:30,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:30,045 INFO L87 Difference]: Start difference. First operand 10850 states and 15638 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-25 23:25:33,392 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 [] [2022-11-25 23:25:35,587 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 [] [2022-11-25 23:25:37,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:37,193 INFO L93 Difference]: Finished difference Result 28341 states and 40757 transitions. [2022-11-25 23:25:37,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:25:37,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 492 [2022-11-25 23:25:37,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:37,345 INFO L225 Difference]: With dead ends: 28341 [2022-11-25 23:25:37,345 INFO L226 Difference]: Without dead ends: 17580 [2022-11-25 23:25:37,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:25:37,426 INFO L413 NwaCegarLoop]: 4493 mSDtfsCounter, 3195 mSDsluCounter, 3336 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3199 SdHoareTripleChecker+Valid, 7829 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:37,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3199 Valid, 7829 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 873 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-11-25 23:25:37,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17580 states. [2022-11-25 23:25:38,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17580 to 17548. [2022-11-25 23:25:38,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17548 states, 10545 states have (on average 1.2992887624466571) internal successors, (13701), 10903 states have internal predecessors, (13701), 5704 states have call successors, (5704), 1300 states have call predecessors, (5704), 1296 states have return successors, (5764), 5627 states have call predecessors, (5764), 5700 states have call successors, (5764) [2022-11-25 23:25:38,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17548 states to 17548 states and 25169 transitions. [2022-11-25 23:25:38,971 INFO L78 Accepts]: Start accepts. Automaton has 17548 states and 25169 transitions. Word has length 492 [2022-11-25 23:25:38,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:38,972 INFO L495 AbstractCegarLoop]: Abstraction has 17548 states and 25169 transitions. [2022-11-25 23:25:38,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (56), 2 states have call predecessors, (56), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-25 23:25:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 17548 states and 25169 transitions. [2022-11-25 23:25:38,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-11-25 23:25:38,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:38,999 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:38,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:25:38,999 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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)] === [2022-11-25 23:25:39,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:39,000 INFO L85 PathProgramCache]: Analyzing trace with hash 238195636, now seen corresponding path program 1 times [2022-11-25 23:25:39,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:39,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417544464] [2022-11-25 23:25:39,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:39,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:25:41,167 INFO L134 CoverageAnalysis]: Checked inductivity of 7963 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7963 trivial. 0 not checked. [2022-11-25 23:25:41,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:25:41,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417544464] [2022-11-25 23:25:41,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417544464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:25:41,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:25:41,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:25:41,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014085244] [2022-11-25 23:25:41,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:25:41,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:25:41,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:25:41,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:25:41,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:25:41,172 INFO L87 Difference]: Start difference. First operand 17548 states and 25169 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-25 23:25:44,698 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 [] [2022-11-25 23:25:47,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:49,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:53,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:55,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:25:57,458 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 [] [2022-11-25 23:25:58,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:25:58,142 INFO L93 Difference]: Finished difference Result 18788 states and 26866 transitions. [2022-11-25 23:25:58,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:25:58,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 515 [2022-11-25 23:25:58,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:25:58,242 INFO L225 Difference]: With dead ends: 18788 [2022-11-25 23:25:58,243 INFO L226 Difference]: Without dead ends: 18786 [2022-11-25 23:25:58,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:25:58,255 INFO L413 NwaCegarLoop]: 4177 mSDtfsCounter, 3360 mSDsluCounter, 10126 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3366 SdHoareTripleChecker+Valid, 14303 SdHoareTripleChecker+Invalid, 1524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:25:58,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3366 Valid, 14303 Invalid, 1524 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1517 Invalid, 6 Unknown, 0 Unchecked, 16.0s Time] [2022-11-25 23:25:58,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18786 states. [2022-11-25 23:25:59,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18786 to 18782. [2022-11-25 23:25:59,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18782 states, 11259 states have (on average 1.2969180211386446) internal successors, (14602), 11641 states have internal predecessors, (14602), 6099 states have call successors, (6099), 1424 states have call predecessors, (6099), 1421 states have return successors, (6161), 6020 states have call predecessors, (6161), 6095 states have call successors, (6161) [2022-11-25 23:25:59,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18782 states to 18782 states and 26862 transitions. [2022-11-25 23:25:59,296 INFO L78 Accepts]: Start accepts. Automaton has 18782 states and 26862 transitions. Word has length 515 [2022-11-25 23:25:59,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:25:59,297 INFO L495 AbstractCegarLoop]: Abstraction has 18782 states and 26862 transitions. [2022-11-25 23:25:59,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-11-25 23:25:59,297 INFO L276 IsEmpty]: Start isEmpty. Operand 18782 states and 26862 transitions. [2022-11-25 23:25:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2022-11-25 23:25:59,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:25:59,313 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:25:59,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:25:59,314 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-11-25 23:25:59,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:25:59,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1862050407, now seen corresponding path program 1 times [2022-11-25 23:25:59,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:25:59,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653316826] [2022-11-25 23:25:59,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:25:59,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:25:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 7965 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7963 trivial. 0 not checked. [2022-11-25 23:26:01,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:01,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653316826] [2022-11-25 23:26:01,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653316826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:01,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:26:01,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:26:01,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884623526] [2022-11-25 23:26:01,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:01,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:26:01,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:01,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:26:01,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:26:01,209 INFO L87 Difference]: Start difference. First operand 18782 states and 26862 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-25 23:26:04,743 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 [] [2022-11-25 23:26:07,018 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 [] [2022-11-25 23:26:08,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:08,951 INFO L93 Difference]: Finished difference Result 18796 states and 26875 transitions. [2022-11-25 23:26:08,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:26:08,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 520 [2022-11-25 23:26:08,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:09,046 INFO L225 Difference]: With dead ends: 18796 [2022-11-25 23:26:09,046 INFO L226 Difference]: Without dead ends: 18794 [2022-11-25 23:26:09,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:26:09,055 INFO L413 NwaCegarLoop]: 4180 mSDtfsCounter, 3354 mSDsluCounter, 10126 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3361 SdHoareTripleChecker+Valid, 14306 SdHoareTripleChecker+Invalid, 1519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:09,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3361 Valid, 14306 Invalid, 1519 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1516 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2022-11-25 23:26:09,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18794 states. [2022-11-25 23:26:10,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18794 to 18790. [2022-11-25 23:26:10,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18790 states, 11264 states have (on average 1.2967862215909092) internal successors, (14607), 11648 states have internal predecessors, (14607), 6099 states have call successors, (6099), 1425 states have call predecessors, (6099), 1424 states have return successors, (6165), 6020 states have call predecessors, (6165), 6095 states have call successors, (6165) [2022-11-25 23:26:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18790 states to 18790 states and 26871 transitions. [2022-11-25 23:26:10,477 INFO L78 Accepts]: Start accepts. Automaton has 18790 states and 26871 transitions. Word has length 520 [2022-11-25 23:26:10,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:10,478 INFO L495 AbstractCegarLoop]: Abstraction has 18790 states and 26871 transitions. [2022-11-25 23:26:10,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-25 23:26:10,479 INFO L276 IsEmpty]: Start isEmpty. Operand 18790 states and 26871 transitions. [2022-11-25 23:26:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-11-25 23:26:10,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:10,494 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2022-11-25 23:26:10,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:26:10,495 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-11-25 23:26:10,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:10,496 INFO L85 PathProgramCache]: Analyzing trace with hash -839485271, now seen corresponding path program 1 times [2022-11-25 23:26:10,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:10,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874746624] [2022-11-25 23:26:10,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:10,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:12,345 INFO L134 CoverageAnalysis]: Checked inductivity of 8071 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8067 trivial. 0 not checked. [2022-11-25 23:26:12,345 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:12,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874746624] [2022-11-25 23:26:12,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874746624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:12,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:26:12,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:26:12,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034999703] [2022-11-25 23:26:12,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:12,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:26:12,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:12,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:26:12,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:26:12,350 INFO L87 Difference]: Start difference. First operand 18790 states and 26871 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-25 23:26:15,698 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 [] [2022-11-25 23:26:17,934 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 [] [2022-11-25 23:26:20,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:20,008 INFO L93 Difference]: Finished difference Result 18800 states and 26878 transitions. [2022-11-25 23:26:20,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:26:20,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 535 [2022-11-25 23:26:20,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:20,108 INFO L225 Difference]: With dead ends: 18800 [2022-11-25 23:26:20,108 INFO L226 Difference]: Without dead ends: 18798 [2022-11-25 23:26:20,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:26:20,119 INFO L413 NwaCegarLoop]: 4158 mSDtfsCounter, 3353 mSDsluCounter, 10082 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3359 SdHoareTripleChecker+Valid, 14240 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:20,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3359 Valid, 14240 Invalid, 1516 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1513 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2022-11-25 23:26:20,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18798 states. [2022-11-25 23:26:21,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18798 to 18794. [2022-11-25 23:26:21,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18794 states, 11267 states have (on average 1.2967071980118932) internal successors, (14610), 11651 states have internal predecessors, (14610), 6099 states have call successors, (6099), 1426 states have call predecessors, (6099), 1425 states have return successors, (6165), 6020 states have call predecessors, (6165), 6095 states have call successors, (6165) [2022-11-25 23:26:21,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18794 states to 18794 states and 26874 transitions. [2022-11-25 23:26:21,491 INFO L78 Accepts]: Start accepts. Automaton has 18794 states and 26874 transitions. Word has length 535 [2022-11-25 23:26:21,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:21,492 INFO L495 AbstractCegarLoop]: Abstraction has 18794 states and 26874 transitions. [2022-11-25 23:26:21,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-25 23:26:21,493 INFO L276 IsEmpty]: Start isEmpty. Operand 18794 states and 26874 transitions. [2022-11-25 23:26:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2022-11-25 23:26:21,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:21,511 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 5, 5, 4, 3, 3, 2, 2, 2, 2, 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, 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] [2022-11-25 23:26:21,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:26:21,511 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-11-25 23:26:21,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:21,512 INFO L85 PathProgramCache]: Analyzing trace with hash -589517335, now seen corresponding path program 1 times [2022-11-25 23:26:21,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:21,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943762668] [2022-11-25 23:26:21,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:21,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 8080 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8074 trivial. 0 not checked. [2022-11-25 23:26:23,457 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:23,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943762668] [2022-11-25 23:26:23,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943762668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:23,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:26:23,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:26:23,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779081198] [2022-11-25 23:26:23,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:23,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:26:23,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:23,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:26:23,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:26:23,462 INFO L87 Difference]: Start difference. First operand 18794 states and 26874 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-25 23:26:26,948 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 [] [2022-11-25 23:26:29,327 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 [] [2022-11-25 23:26:32,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:32,661 INFO L93 Difference]: Finished difference Result 34761 states and 49869 transitions. [2022-11-25 23:26:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:26:32,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 539 [2022-11-25 23:26:32,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:32,861 INFO L225 Difference]: With dead ends: 34761 [2022-11-25 23:26:32,861 INFO L226 Difference]: Without dead ends: 34757 [2022-11-25 23:26:32,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:26:32,878 INFO L413 NwaCegarLoop]: 4597 mSDtfsCounter, 3396 mSDsluCounter, 12397 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 16994 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:32,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3399 Valid, 16994 Invalid, 1718 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1713 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-11-25 23:26:32,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34757 states. [2022-11-25 23:26:35,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34757 to 34741. [2022-11-25 23:26:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34741 states, 20839 states have (on average 1.2984308268151064) internal successors, (27058), 21545 states have internal predecessors, (27058), 11259 states have call successors, (11259), 2650 states have call predecessors, (11259), 2640 states have return successors, (11535), 11095 states have call predecessors, (11535), 11251 states have call successors, (11535) [2022-11-25 23:26:35,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34741 states to 34741 states and 49852 transitions. [2022-11-25 23:26:35,250 INFO L78 Accepts]: Start accepts. Automaton has 34741 states and 49852 transitions. Word has length 539 [2022-11-25 23:26:35,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:35,252 INFO L495 AbstractCegarLoop]: Abstraction has 34741 states and 49852 transitions. [2022-11-25 23:26:35,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-25 23:26:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand 34741 states and 49852 transitions. [2022-11-25 23:26:35,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-11-25 23:26:35,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:35,271 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:26:35,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:26:35,271 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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)] === [2022-11-25 23:26:35,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:35,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1085024628, now seen corresponding path program 1 times [2022-11-25 23:26:35,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:35,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962625882] [2022-11-25 23:26:35,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:35,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:37,071 INFO L134 CoverageAnalysis]: Checked inductivity of 7995 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7987 trivial. 0 not checked. [2022-11-25 23:26:37,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:37,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962625882] [2022-11-25 23:26:37,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962625882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:37,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:26:37,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:26:37,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719936092] [2022-11-25 23:26:37,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:37,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:26:37,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:37,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:26:37,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:26:37,076 INFO L87 Difference]: Start difference. First operand 34741 states and 49852 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-11-25 23:26:40,524 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 [] [2022-11-25 23:26:42,865 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 [] [2022-11-25 23:26:47,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:26:47,259 INFO L93 Difference]: Finished difference Result 63075 states and 91076 transitions. [2022-11-25 23:26:47,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 23:26:47,260 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 535 [2022-11-25 23:26:47,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:26:47,668 INFO L225 Difference]: With dead ends: 63075 [2022-11-25 23:26:47,668 INFO L226 Difference]: Without dead ends: 62896 [2022-11-25 23:26:47,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:26:47,709 INFO L413 NwaCegarLoop]: 4460 mSDtfsCounter, 3187 mSDsluCounter, 11980 mSDsCounter, 0 mSdLazyCounter, 1680 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3189 SdHoareTripleChecker+Valid, 16440 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1680 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:26:47,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3189 Valid, 16440 Invalid, 1685 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1680 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-11-25 23:26:47,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62896 states. [2022-11-25 23:26:52,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62896 to 62853. [2022-11-25 23:26:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62853 states, 37600 states have (on average 1.2995478723404255) internal successors, (48863), 38942 states have internal predecessors, (48863), 20385 states have call successors, (20385), 4935 states have call predecessors, (20385), 4865 states have return successors, (21486), 19974 states have call predecessors, (21486), 20373 states have call successors, (21486) [2022-11-25 23:26:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62853 states to 62853 states and 90734 transitions. [2022-11-25 23:26:53,192 INFO L78 Accepts]: Start accepts. Automaton has 62853 states and 90734 transitions. Word has length 535 [2022-11-25 23:26:53,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:26:53,193 INFO L495 AbstractCegarLoop]: Abstraction has 62853 states and 90734 transitions. [2022-11-25 23:26:53,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-11-25 23:26:53,193 INFO L276 IsEmpty]: Start isEmpty. Operand 62853 states and 90734 transitions. [2022-11-25 23:26:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2022-11-25 23:26:53,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:26:53,236 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 6, 6, 2, 2, 2, 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, 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] [2022-11-25 23:26:53,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:26:53,236 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-11-25 23:26:53,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:26:53,237 INFO L85 PathProgramCache]: Analyzing trace with hash 603319390, now seen corresponding path program 1 times [2022-11-25 23:26:53,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:26:53,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948661666] [2022-11-25 23:26:53,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:26:53,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:26:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:26:53,931 INFO L134 CoverageAnalysis]: Checked inductivity of 8076 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8073 trivial. 0 not checked. [2022-11-25 23:26:53,931 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:26:53,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948661666] [2022-11-25 23:26:53,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948661666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:26:53,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:26:53,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:26:53,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543758066] [2022-11-25 23:26:53,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:26:53,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:26:53,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:26:53,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:26:53,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:26:53,935 INFO L87 Difference]: Start difference. First operand 62853 states and 90734 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-25 23:26:57,773 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 [] [2022-11-25 23:27:00,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:27:02,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:27:08,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:27:08,256 INFO L93 Difference]: Finished difference Result 150873 states and 217989 transitions. [2022-11-25 23:27:08,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:27:08,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 554 [2022-11-25 23:27:08,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:27:08,775 INFO L225 Difference]: With dead ends: 150873 [2022-11-25 23:27:08,776 INFO L226 Difference]: Without dead ends: 90410 [2022-11-25 23:27:09,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:27:09,038 INFO L413 NwaCegarLoop]: 6086 mSDtfsCounter, 3037 mSDsluCounter, 3326 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 9 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3037 SdHoareTripleChecker+Valid, 9412 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:27:09,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3037 Valid, 9412 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1165 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2022-11-25 23:27:09,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90410 states. [2022-11-25 23:27:16,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90410 to 90335. [2022-11-25 23:27:16,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90335 states, 54027 states have (on average 1.29892461176819) internal successors, (70177), 55984 states have internal predecessors, (70177), 29302 states have call successors, (29302), 7112 states have call predecessors, (29302), 7003 states have return successors, (30912), 28691 states have call predecessors, (30912), 29290 states have call successors, (30912) [2022-11-25 23:27:16,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90335 states to 90335 states and 130391 transitions. [2022-11-25 23:27:16,587 INFO L78 Accepts]: Start accepts. Automaton has 90335 states and 130391 transitions. Word has length 554 [2022-11-25 23:27:16,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:27:16,589 INFO L495 AbstractCegarLoop]: Abstraction has 90335 states and 130391 transitions. [2022-11-25 23:27:16,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-25 23:27:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 90335 states and 130391 transitions. [2022-11-25 23:27:16,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2022-11-25 23:27:16,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:27:16,611 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 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, 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] [2022-11-25 23:27:16,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:27:16,611 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_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)] === [2022-11-25 23:27:16,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:27:16,612 INFO L85 PathProgramCache]: Analyzing trace with hash 349857359, now seen corresponding path program 1 times [2022-11-25 23:27:16,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:27:16,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980362750] [2022-11-25 23:27:16,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:27:16,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:27:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:27:17,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8049 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8046 trivial. 0 not checked. [2022-11-25 23:27:17,694 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:27:17,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980362750] [2022-11-25 23:27:17,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980362750] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:27:17,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:27:17,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:27:17,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567993141] [2022-11-25 23:27:17,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:27:17,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:27:17,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:27:17,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:27:17,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:27:17,707 INFO L87 Difference]: Start difference. First operand 90335 states and 130391 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-11-25 23:27:19,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:27:21,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:27:24,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:27:27,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []