./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-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/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_c31c1501-61be-4681-b05c-9cb8214e866b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/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_c31c1501-61be-4681-b05c-9cb8214e866b/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 d291badf6e321259e0b1b1625d2ed48867e61016cda7885a720272c3e12df877 --- 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 23:54:31,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:54:31,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:54:31,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:54:31,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:54:31,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:54:31,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:54:31,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:54:31,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:54:31,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:54:31,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:54:31,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:54:31,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:54:31,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:54:31,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:54:31,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:54:31,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:54:31,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:54:31,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:54:31,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:54:31,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:54:31,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:54:31,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:54:31,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:54:31,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:54:31,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:54:31,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:54:31,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:54:31,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:54:31,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:54:31,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:54:31,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:54:31,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:54:31,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:54:31,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:54:31,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:54:31,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:54:31,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:54:31,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:54:31,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:54:31,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:54:31,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:54:31,324 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:54:31,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:54:31,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:54:31,324 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:54:31,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:54:31,325 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:54:31,325 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:54:31,326 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:54:31,326 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:54:31,326 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:54:31,326 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:54:31,326 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:54:31,327 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:54:31,327 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:54:31,327 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:54:31,327 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:54:31,328 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:54:31,328 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:54:31,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:54:31,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:54:31,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:54:31,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:54:31,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:54:31,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:54:31,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:54:31,330 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:54:31,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:54:31,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:54:31,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:54:31,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:54:31,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:54:31,337 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:54:31,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:54:31,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:54:31,338 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:54:31,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:54:31,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:54:31,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:54:31,339 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_c31c1501-61be-4681-b05c-9cb8214e866b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d291badf6e321259e0b1b1625d2ed48867e61016cda7885a720272c3e12df877 [2022-11-25 23:54:31,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:54:31,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:54:31,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:54:31,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:54:31,663 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:54:31,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-11-25 23:54:34,644 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:54:35,359 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:54:35,359 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-11-25 23:54:35,421 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/bin/utaipan-ByfvJB40ur/data/ac5648dbd/ae6bf3e619fc4efc907c790a86fcd8ce/FLAGbda7ad19d [2022-11-25 23:54:35,444 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/bin/utaipan-ByfvJB40ur/data/ac5648dbd/ae6bf3e619fc4efc907c790a86fcd8ce [2022-11-25 23:54:35,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:54:35,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:54:35,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:54:35,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:54:35,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:54:35,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:54:35" (1/1) ... [2022-11-25 23:54:35,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bec4776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:35, skipping insertion in model container [2022-11-25 23:54:35,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:54:35" (1/1) ... [2022-11-25 23:54:35,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:54:35,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:54:36,405 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:54:36,418 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:54:36,438 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:54:36,739 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-11-25 23:54:36,828 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:54:36,837 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:54:36,851 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:54:36,887 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:54:36,902 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:54:36,935 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:54:36,936 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 23:54:36,937 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-25 23:54:36,938 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:54:36,966 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-11-25 23:54:37,067 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:37,088 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:54:37,464 WARN L623 FunctionHandler]: Unknown extern function _pnfs_return_layout [2022-11-25 23:54:37,550 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:54:37,552 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:54:37,577 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:54:37,579 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:54:37,589 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:54:37,590 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:54:37,619 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,624 WARN L623 FunctionHandler]: Unknown extern function pnfs_write_done_resend_to_mds [2022-11-25 23:54:37,634 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,636 WARN L623 FunctionHandler]: Unknown extern function pnfs_read_done_resend_to_mds [2022-11-25 23:54:37,673 WARN L623 FunctionHandler]: Unknown extern function nfs_remove_bad_delegation [2022-11-25 23:54:37,676 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_stateid_recovery [2022-11-25 23:54:37,677 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_stateid_recovery [2022-11-25 23:54:37,678 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_lease_recovery [2022-11-25 23:54:37,679 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,680 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_session_recovery [2022-11-25 23:54:37,681 WARN L623 FunctionHandler]: Unknown extern function rpc_delay [2022-11-25 23:54:37,682 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,683 WARN L623 FunctionHandler]: Unknown extern function pnfs_destroy_layout [2022-11-25 23:54:37,683 WARN L623 FunctionHandler]: Unknown extern function rpc_wake_up [2022-11-25 23:54:37,684 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,684 WARN L623 FunctionHandler]: Unknown extern function nfs4_mark_deviceid_unavailable [2022-11-25 23:54:37,685 WARN L623 FunctionHandler]: Unknown extern function rpc_wake_up [2022-11-25 23:54:37,688 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,690 WARN L623 FunctionHandler]: Unknown extern function rpc_sleep_on [2022-11-25 23:54:37,691 WARN L623 FunctionHandler]: Unknown extern function rpc_wake_up_queued_task [2022-11-25 23:54:37,701 WARN L623 FunctionHandler]: Unknown extern function rpc_restart_call_prepare [2022-11-25 23:54:37,708 WARN L623 FunctionHandler]: Unknown extern function pnfs_set_layoutcommit [2022-11-25 23:54:37,710 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,714 WARN L623 FunctionHandler]: Unknown extern function nfs4_test_deviceid_unavailable [2022-11-25 23:54:37,729 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-11-25 23:54:37,730 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,731 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-11-25 23:54:37,732 WARN L623 FunctionHandler]: Unknown extern function nfs41_setup_sequence [2022-11-25 23:54:37,733 WARN L623 FunctionHandler]: Unknown extern function nfs4_set_rw_stateid [2022-11-25 23:54:37,734 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-11-25 23:54:37,741 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,744 WARN L623 FunctionHandler]: Unknown extern function nfs41_sequence_done [2022-11-25 23:54:37,754 WARN L623 FunctionHandler]: Unknown extern function rpc_count_iostats [2022-11-25 23:54:37,761 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-11-25 23:54:37,773 WARN L623 FunctionHandler]: Unknown extern function rpc_restart_call_prepare [2022-11-25 23:54:37,790 WARN L623 FunctionHandler]: Unknown extern function rpc_restart_call_prepare [2022-11-25 23:54:37,796 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-11-25 23:54:37,798 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,798 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-11-25 23:54:37,799 WARN L623 FunctionHandler]: Unknown extern function nfs41_setup_sequence [2022-11-25 23:54:37,800 WARN L623 FunctionHandler]: Unknown extern function nfs4_set_rw_stateid [2022-11-25 23:54:37,802 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-11-25 23:54:37,811 WARN L623 FunctionHandler]: Unknown extern function nfs41_sequence_done [2022-11-25 23:54:37,827 WARN L623 FunctionHandler]: Unknown extern function rpc_count_iostats [2022-11-25 23:54:37,834 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-11-25 23:54:37,841 WARN L623 FunctionHandler]: Unknown extern function nfs41_setup_sequence [2022-11-25 23:54:37,856 WARN L623 FunctionHandler]: Unknown extern function rpc_count_iostats [2022-11-25 23:54:37,863 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-11-25 23:54:37,864 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-11-25 23:54:37,865 WARN L623 FunctionHandler]: Unknown extern function nfs_commitdata_release [2022-11-25 23:54:37,875 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,879 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_or_create_ds_client [2022-11-25 23:54:37,880 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,882 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_read [2022-11-25 23:54:37,889 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_or_create_ds_client [2022-11-25 23:54:37,891 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,898 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_write [2022-11-25 23:54:37,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,907 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,908 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,910 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,911 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_get_deviceid [2022-11-25 23:54:37,913 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,915 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,917 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,923 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,931 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:37,934 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:37,940 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:37,948 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,949 WARN L623 FunctionHandler]: Unknown extern function xdr_init_decode_pages [2022-11-25 23:54:37,952 WARN L623 FunctionHandler]: Unknown extern function xdr_set_scratch_buffer [2022-11-25 23:54:37,952 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:37,954 WARN L623 FunctionHandler]: Unknown extern function nfs4_print_deviceid [2022-11-25 23:54:37,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,976 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:37,978 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,982 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:37,984 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,985 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:54:37,986 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:54:37,995 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:37,996 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,004 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,012 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,019 WARN L623 FunctionHandler]: Unknown extern function pnfs_generic_pg_test [2022-11-25 23:54:38,020 WARN L623 FunctionHandler]: Unknown extern function nfs_generic_pg_test [2022-11-25 23:54:38,028 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:54:38,029 WARN L623 FunctionHandler]: Unknown extern function nfs_pageio_reset_read_mds [2022-11-25 23:54:38,029 WARN L623 FunctionHandler]: Unknown extern function pnfs_update_layout [2022-11-25 23:54:38,030 WARN L623 FunctionHandler]: Unknown extern function nfs_pageio_reset_read_mds [2022-11-25 23:54:38,036 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:54:38,038 WARN L623 FunctionHandler]: Unknown extern function pnfs_update_layout [2022-11-25 23:54:38,038 WARN L623 FunctionHandler]: Unknown extern function nfs_init_cinfo [2022-11-25 23:54:38,039 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-11-25 23:54:38,039 WARN L623 FunctionHandler]: Unknown extern function nfs_pageio_reset_write_mds [2022-11-25 23:54:38,052 WARN L623 FunctionHandler]: Unknown extern function nfs_request_remove_commit_list [2022-11-25 23:54:38,053 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-11-25 23:54:38,065 WARN L623 FunctionHandler]: Unknown extern function nfs_request_add_commit_list [2022-11-25 23:54:38,083 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_or_create_ds_client [2022-11-25 23:54:38,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,087 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_commit [2022-11-25 23:54:38,093 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:54:38,094 WARN L623 FunctionHandler]: Unknown extern function __cond_resched_lock [2022-11-25 23:54:38,094 WARN L623 FunctionHandler]: Unknown extern function nfs_request_remove_commit_list [2022-11-25 23:54:38,114 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-11-25 23:54:38,121 WARN L623 FunctionHandler]: Unknown extern function nfs_commitdata_alloc [2022-11-25 23:54:38,122 WARN L623 FunctionHandler]: Unknown extern function nfs_retry_commit [2022-11-25 23:54:38,123 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-11-25 23:54:38,129 WARN L623 FunctionHandler]: Unknown extern function nfs_commitdata_alloc [2022-11-25 23:54:38,130 WARN L623 FunctionHandler]: Unknown extern function nfs_retry_commit [2022-11-25 23:54:38,132 WARN L623 FunctionHandler]: Unknown extern function nfs_init_commit [2022-11-25 23:54:38,132 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_commit [2022-11-25 23:54:38,133 WARN L623 FunctionHandler]: Unknown extern function nfs_init_commit [2022-11-25 23:54:38,152 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,165 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,166 WARN L623 FunctionHandler]: Unknown extern function pnfs_register_layoutdriver [2022-11-25 23:54:38,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,172 WARN L623 FunctionHandler]: Unknown extern function pnfs_unregister_layoutdriver [2022-11-25 23:54:38,490 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,490 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,491 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,491 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,491 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,492 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,492 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,492 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,492 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,493 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,493 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,493 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,493 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,494 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,494 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,494 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,495 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,495 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,495 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,495 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,496 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,496 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,496 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,496 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,497 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,497 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,497 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,497 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,498 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,498 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,498 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,498 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,499 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,499 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:38,504 WARN L623 FunctionHandler]: Unknown extern function pnfs_generic_pg_readpages [2022-11-25 23:54:38,507 WARN L623 FunctionHandler]: Unknown extern function pnfs_generic_pg_writepages [2022-11-25 23:54:38,511 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:54:38,626 WARN L623 FunctionHandler]: Unknown extern function out_of_line_wait_on_bit [2022-11-25 23:54:38,639 WARN L623 FunctionHandler]: Unknown extern function __ipv6_addr_type [2022-11-25 23:54:38,684 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,690 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,691 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,699 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,718 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,719 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,720 WARN L623 FunctionHandler]: Unknown extern function nfs4_set_ds_client [2022-11-25 23:54:38,721 WARN L623 FunctionHandler]: Unknown extern function nfs4_init_ds_session [2022-11-25 23:54:38,722 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,760 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-11-25 23:54:38,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,767 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-11-25 23:54:38,767 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,768 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,768 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,768 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,769 WARN L623 FunctionHandler]: Unknown extern function nfs4_print_deviceid [2022-11-25 23:54:38,770 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,770 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,779 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,785 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,787 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,788 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,788 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,788 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,798 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:38,799 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:38,800 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:38,801 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:38,802 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,803 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,803 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 23:54:38,804 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,805 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 23:54:38,805 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,806 WARN L623 FunctionHandler]: Unknown extern function rpc_pton [2022-11-25 23:54:38,807 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,812 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,812 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 23:54:38,813 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,816 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,817 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,817 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,818 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,818 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,819 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,819 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,826 WARN L623 FunctionHandler]: Unknown extern function xdr_init_decode_pages [2022-11-25 23:54:38,827 WARN L623 FunctionHandler]: Unknown extern function xdr_set_scratch_buffer [2022-11-25 23:54:38,827 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:38,828 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,828 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,829 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:38,831 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:38,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,832 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,833 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,834 WARN L623 FunctionHandler]: Unknown extern function nfs4_init_deviceid_node [2022-11-25 23:54:38,835 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:38,836 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,838 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,838 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,839 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:54:38,839 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,839 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,840 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,840 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:54:38,841 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,847 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,848 WARN L623 FunctionHandler]: Unknown extern function nfs4_insert_deviceid_node [2022-11-25 23:54:38,850 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,851 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,852 WARN L623 FunctionHandler]: Unknown extern function nfs4_proc_getdeviceinfo [2022-11-25 23:54:38,853 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,854 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:54:38,854 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,854 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:38,855 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,856 WARN L623 FunctionHandler]: Unknown extern function nfs4_put_deviceid_node [2022-11-25 23:54:38,864 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:54:38,870 WARN L623 FunctionHandler]: Unknown extern function wake_up_bit [2022-11-25 23:54:38,871 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:38,873 WARN L623 FunctionHandler]: Unknown extern function nfs4_mark_deviceid_unavailable [2022-11-25 23:54:38,881 WARN L623 FunctionHandler]: Unknown extern function __ldv_atomic_dec_and_lock [2022-11-25 23:54:38,942 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:54:38,943 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:54:38,954 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:54:39,718 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_c31c1501-61be-4681-b05c-9cb8214e866b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2022-11-25 23:54:39,722 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_c31c1501-61be-4681-b05c-9cb8214e866b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2022-11-25 23:54:39,723 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_c31c1501-61be-4681-b05c-9cb8214e866b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2022-11-25 23:54:39,723 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_c31c1501-61be-4681-b05c-9cb8214e866b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2022-11-25 23:54:39,725 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:39,726 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:39,726 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:39,727 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:39,733 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:39,734 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:39,736 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:39,738 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:39,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:54:39,769 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:54:39,894 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:54:39,895 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:54:39,895 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:54:39,901 WARN L623 FunctionHandler]: Unknown extern function __xadd_wrong_size [2022-11-25 23:54:39,901 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:54:39,902 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:54:39,903 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:54:39,904 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 23:54:39,905 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 23:54:39,905 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:54:39,906 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-11-25 23:54:39,906 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-25 23:54:39,906 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:54:39,907 WARN L623 FunctionHandler]: Unknown extern function alloc_pages_current [2022-11-25 23:54:39,908 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:39,909 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:54:39,917 WARN L623 FunctionHandler]: Unknown extern function _pnfs_return_layout [2022-11-25 23:54:39,919 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:54:39,919 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:54:39,921 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:54:39,921 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:54:39,923 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:54:39,923 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:54:39,926 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:39,927 WARN L623 FunctionHandler]: Unknown extern function pnfs_write_done_resend_to_mds [2022-11-25 23:54:39,931 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:39,932 WARN L623 FunctionHandler]: Unknown extern function pnfs_read_done_resend_to_mds [2022-11-25 23:54:39,937 WARN L623 FunctionHandler]: Unknown extern function nfs_remove_bad_delegation [2022-11-25 23:54:39,938 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_stateid_recovery [2022-11-25 23:54:39,938 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_stateid_recovery [2022-11-25 23:54:39,939 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_lease_recovery [2022-11-25 23:54:39,939 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:39,940 WARN L623 FunctionHandler]: Unknown extern function nfs4_schedule_session_recovery [2022-11-25 23:54:39,944 WARN L623 FunctionHandler]: Unknown extern function rpc_delay [2022-11-25 23:54:39,944 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:39,945 WARN L623 FunctionHandler]: Unknown extern function pnfs_destroy_layout [2022-11-25 23:54:39,945 WARN L623 FunctionHandler]: Unknown extern function rpc_wake_up [2022-11-25 23:54:39,946 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:39,946 WARN L623 FunctionHandler]: Unknown extern function nfs4_mark_deviceid_unavailable [2022-11-25 23:54:39,946 WARN L623 FunctionHandler]: Unknown extern function rpc_wake_up [2022-11-25 23:54:39,947 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:39,947 WARN L623 FunctionHandler]: Unknown extern function rpc_sleep_on [2022-11-25 23:54:39,948 WARN L623 FunctionHandler]: Unknown extern function rpc_wake_up_queued_task [2022-11-25 23:54:39,958 WARN L623 FunctionHandler]: Unknown extern function rpc_restart_call_prepare [2022-11-25 23:54:39,959 WARN L623 FunctionHandler]: Unknown extern function pnfs_set_layoutcommit [2022-11-25 23:54:39,960 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:39,961 WARN L623 FunctionHandler]: Unknown extern function nfs4_test_deviceid_unavailable [2022-11-25 23:54:39,962 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-11-25 23:54:39,963 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:39,963 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-11-25 23:54:39,964 WARN L623 FunctionHandler]: Unknown extern function nfs41_setup_sequence [2022-11-25 23:54:40,019 WARN L623 FunctionHandler]: Unknown extern function nfs4_set_rw_stateid [2022-11-25 23:54:40,020 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-11-25 23:54:40,021 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,021 WARN L623 FunctionHandler]: Unknown extern function nfs41_sequence_done [2022-11-25 23:54:40,024 WARN L623 FunctionHandler]: Unknown extern function rpc_count_iostats [2022-11-25 23:54:40,025 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-11-25 23:54:40,037 WARN L623 FunctionHandler]: Unknown extern function rpc_restart_call_prepare [2022-11-25 23:54:40,041 WARN L623 FunctionHandler]: Unknown extern function rpc_restart_call_prepare [2022-11-25 23:54:40,042 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-11-25 23:54:40,043 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,043 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-11-25 23:54:40,044 WARN L623 FunctionHandler]: Unknown extern function nfs41_setup_sequence [2022-11-25 23:54:40,047 WARN L623 FunctionHandler]: Unknown extern function nfs4_set_rw_stateid [2022-11-25 23:54:40,048 WARN L623 FunctionHandler]: Unknown extern function rpc_exit [2022-11-25 23:54:40,049 WARN L623 FunctionHandler]: Unknown extern function nfs41_sequence_done [2022-11-25 23:54:40,050 WARN L623 FunctionHandler]: Unknown extern function rpc_count_iostats [2022-11-25 23:54:40,051 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-11-25 23:54:40,055 WARN L623 FunctionHandler]: Unknown extern function nfs41_setup_sequence [2022-11-25 23:54:40,059 WARN L623 FunctionHandler]: Unknown extern function rpc_count_iostats [2022-11-25 23:54:40,061 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-11-25 23:54:40,061 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-11-25 23:54:40,064 WARN L623 FunctionHandler]: Unknown extern function nfs_commitdata_release [2022-11-25 23:54:40,067 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,072 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_or_create_ds_client [2022-11-25 23:54:40,073 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,077 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_read [2022-11-25 23:54:40,078 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_or_create_ds_client [2022-11-25 23:54:40,079 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,084 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_write [2022-11-25 23:54:40,085 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,086 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,087 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,088 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,089 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_get_deviceid [2022-11-25 23:54:40,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,103 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,105 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,106 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,107 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,107 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,108 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,108 WARN L623 FunctionHandler]: Unknown extern function xdr_init_decode_pages [2022-11-25 23:54:40,109 WARN L623 FunctionHandler]: Unknown extern function xdr_set_scratch_buffer [2022-11-25 23:54:40,109 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:40,110 WARN L623 FunctionHandler]: Unknown extern function nfs4_print_deviceid [2022-11-25 23:54:40,111 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,112 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:40,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,113 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:40,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,115 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:54:40,115 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:54:40,116 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,118 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,119 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,123 WARN L623 FunctionHandler]: Unknown extern function pnfs_generic_pg_test [2022-11-25 23:54:40,124 WARN L623 FunctionHandler]: Unknown extern function nfs_generic_pg_test [2022-11-25 23:54:40,125 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:54:40,126 WARN L623 FunctionHandler]: Unknown extern function nfs_pageio_reset_read_mds [2022-11-25 23:54:40,126 WARN L623 FunctionHandler]: Unknown extern function pnfs_update_layout [2022-11-25 23:54:40,126 WARN L623 FunctionHandler]: Unknown extern function nfs_pageio_reset_read_mds [2022-11-25 23:54:40,127 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:54:40,128 WARN L623 FunctionHandler]: Unknown extern function pnfs_update_layout [2022-11-25 23:54:40,129 WARN L623 FunctionHandler]: Unknown extern function nfs_init_cinfo [2022-11-25 23:54:40,129 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-11-25 23:54:40,130 WARN L623 FunctionHandler]: Unknown extern function nfs_pageio_reset_write_mds [2022-11-25 23:54:40,133 WARN L623 FunctionHandler]: Unknown extern function nfs_request_remove_commit_list [2022-11-25 23:54:40,136 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-11-25 23:54:40,137 WARN L623 FunctionHandler]: Unknown extern function nfs_request_add_commit_list [2022-11-25 23:54:40,141 WARN L623 FunctionHandler]: Unknown extern function nfs4_find_or_create_ds_client [2022-11-25 23:54:40,141 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,147 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_commit [2022-11-25 23:54:40,148 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:54:40,149 WARN L623 FunctionHandler]: Unknown extern function __cond_resched_lock [2022-11-25 23:54:40,150 WARN L623 FunctionHandler]: Unknown extern function nfs_request_remove_commit_list [2022-11-25 23:54:40,153 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-11-25 23:54:40,156 WARN L623 FunctionHandler]: Unknown extern function nfs_commitdata_alloc [2022-11-25 23:54:40,157 WARN L623 FunctionHandler]: Unknown extern function nfs_retry_commit [2022-11-25 23:54:40,158 WARN L623 FunctionHandler]: Unknown extern function pnfs_put_lseg [2022-11-25 23:54:40,159 WARN L623 FunctionHandler]: Unknown extern function nfs_commitdata_alloc [2022-11-25 23:54:40,160 WARN L623 FunctionHandler]: Unknown extern function nfs_retry_commit [2022-11-25 23:54:40,162 WARN L623 FunctionHandler]: Unknown extern function nfs_init_commit [2022-11-25 23:54:40,163 WARN L623 FunctionHandler]: Unknown extern function nfs_initiate_commit [2022-11-25 23:54:40,163 WARN L623 FunctionHandler]: Unknown extern function nfs_init_commit [2022-11-25 23:54:40,165 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,167 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,167 WARN L623 FunctionHandler]: Unknown extern function pnfs_register_layoutdriver [2022-11-25 23:54:40,168 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,168 WARN L623 FunctionHandler]: Unknown extern function pnfs_unregister_layoutdriver [2022-11-25 23:54:40,175 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,175 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,175 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,176 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,176 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,176 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,176 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,178 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,178 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,178 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,178 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,178 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,179 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,179 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,179 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,179 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,181 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,181 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,181 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,181 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,182 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,182 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,182 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,182 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,185 WARN L623 FunctionHandler]: Unknown extern function pnfs_generic_pg_readpages [2022-11-25 23:54:40,187 WARN L623 FunctionHandler]: Unknown extern function pnfs_generic_pg_writepages [2022-11-25 23:54:40,191 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-11-25 23:54:40,197 WARN L623 FunctionHandler]: Unknown extern function out_of_line_wait_on_bit [2022-11-25 23:54:40,198 WARN L623 FunctionHandler]: Unknown extern function __ipv6_addr_type [2022-11-25 23:54:40,199 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,201 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,204 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,209 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,210 WARN L623 FunctionHandler]: Unknown extern function nfs4_set_ds_client [2022-11-25 23:54:40,211 WARN L623 FunctionHandler]: Unknown extern function nfs4_init_ds_session [2022-11-25 23:54:40,211 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,212 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-11-25 23:54:40,212 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,213 WARN L623 FunctionHandler]: Unknown extern function nfs_put_client [2022-11-25 23:54:40,213 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,214 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,214 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,214 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,215 WARN L623 FunctionHandler]: Unknown extern function nfs4_print_deviceid [2022-11-25 23:54:40,215 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,216 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,218 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,219 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,220 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,220 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,220 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,221 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,223 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:40,223 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:40,224 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:40,224 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:40,225 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,226 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,226 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 23:54:40,227 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,227 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 23:54:40,228 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,228 WARN L623 FunctionHandler]: Unknown extern function rpc_pton [2022-11-25 23:54:40,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,235 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,236 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 23:54:40,236 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,237 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,242 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,242 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,242 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,243 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,243 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,244 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,245 WARN L623 FunctionHandler]: Unknown extern function xdr_init_decode_pages [2022-11-25 23:54:40,246 WARN L623 FunctionHandler]: Unknown extern function xdr_set_scratch_buffer [2022-11-25 23:54:40,246 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:40,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,247 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,247 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:40,249 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:40,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,249 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,250 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,251 WARN L623 FunctionHandler]: Unknown extern function nfs4_init_deviceid_node [2022-11-25 23:54:40,260 WARN L623 FunctionHandler]: Unknown extern function xdr_inline_decode [2022-11-25 23:54:40,261 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,262 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,262 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,265 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:54:40,265 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,266 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,267 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,271 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:54:40,271 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,272 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,272 WARN L623 FunctionHandler]: Unknown extern function nfs4_insert_deviceid_node [2022-11-25 23:54:40,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,274 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,276 WARN L623 FunctionHandler]: Unknown extern function nfs4_proc_getdeviceinfo [2022-11-25 23:54:40,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,277 WARN L623 FunctionHandler]: Unknown extern function __free_pages [2022-11-25 23:54:40,278 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,279 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:54:40,279 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,280 WARN L623 FunctionHandler]: Unknown extern function nfs4_put_deviceid_node [2022-11-25 23:54:40,282 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-11-25 23:54:40,282 WARN L623 FunctionHandler]: Unknown extern function wake_up_bit [2022-11-25 23:54:40,283 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:54:40,285 WARN L623 FunctionHandler]: Unknown extern function nfs4_mark_deviceid_unavailable [2022-11-25 23:54:40,292 WARN L623 FunctionHandler]: Unknown extern function __ldv_atomic_dec_and_lock [2022-11-25 23:54:40,295 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-11-25 23:54:40,295 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 23:54:40,296 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 23:54:40,324 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_c31c1501-61be-4681-b05c-9cb8214e866b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462737,462750] [2022-11-25 23:54:40,324 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_c31c1501-61be-4681-b05c-9cb8214e866b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[462906,462919] [2022-11-25 23:54:40,324 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_c31c1501-61be-4681-b05c-9cb8214e866b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463073,463086] [2022-11-25 23:54:40,325 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_c31c1501-61be-4681-b05c-9cb8214e866b/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i[463241,463254] [2022-11-25 23:54:40,326 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,327 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,327 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,327 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,328 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,329 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,331 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,332 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-11-25 23:54:40,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:54:40,514 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:54:40,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40 WrapperNode [2022-11-25 23:54:40,514 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:54:40,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:54:40,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:54:40,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:54:40,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40" (1/1) ... [2022-11-25 23:54:40,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40" (1/1) ... [2022-11-25 23:54:40,872 INFO L138 Inliner]: procedures = 522, calls = 2020, calls flagged for inlining = 218, calls inlined = 177, statements flattened = 5278 [2022-11-25 23:54:40,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:54:40,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:54:40,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:54:40,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:54:40,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40" (1/1) ... [2022-11-25 23:54:40,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40" (1/1) ... [2022-11-25 23:54:40,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40" (1/1) ... [2022-11-25 23:54:40,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40" (1/1) ... [2022-11-25 23:54:41,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40" (1/1) ... [2022-11-25 23:54:41,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40" (1/1) ... [2022-11-25 23:54:41,190 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40" (1/1) ... [2022-11-25 23:54:41,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40" (1/1) ... [2022-11-25 23:54:41,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:54:41,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:54:41,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:54:41,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:54:41,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40" (1/1) ... [2022-11-25 23:54:41,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:54:41,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:54:41,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:54:41,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c31c1501-61be-4681-b05c-9cb8214e866b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:54:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_ds_info [2022-11-25 23:54:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_ds_info [2022-11-25 23:54:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-25 23:54:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_prepare [2022-11-25 23:54:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_prepare [2022-11-25 23:54:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_prepare_ds [2022-11-25 23:54:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_prepare_ds [2022-11-25 23:54:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_write [2022-11-25 23:54:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_write [2022-11-25 23:54:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 23:54:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 23:54:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-25 23:54:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-25 23:54:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:54:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:54:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-25 23:54:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-25 23:54:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:54:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 23:54:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_init_commit [2022-11-25 23:54:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_init_commit [2022-11-25 23:54:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_init_decode_pages [2022-11-25 23:54:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_init_decode_pages [2022-11-25 23:54:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-25 23:54:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-25 23:54:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_lseg [2022-11-25 23:54:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_lseg [2022-11-25 23:54:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_SERVER [2022-11-25 23:54:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_SERVER [2022-11-25 23:54:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_select_ds_fh [2022-11-25 23:54:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_select_ds_fh [2022-11-25 23:54:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-25 23:54:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-25 23:54:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_LSEG [2022-11-25 23:54:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_LSEG [2022-11-25 23:54:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 23:54:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 23:54:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_read [2022-11-25 23:54:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_read [2022-11-25 23:54:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-25 23:54:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 23:54:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 23:54:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_j_index [2022-11-25 23:54:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_j_index [2022-11-25 23:54:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:54:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_count_stats [2022-11-25 23:54:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_count_stats [2022-11-25 23:54:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 23:54:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 23:54:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_get_lseg [2022-11-25 23:54:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_get_lseg [2022-11-25 23:54:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-25 23:54:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-25 23:54:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:54:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_pageio_reset_read_mds [2022-11-25 23:54:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_pageio_reset_read_mds [2022-11-25 23:54:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_recover_commit_reqs [2022-11-25 23:54:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_recover_commit_reqs [2022-11-25 23:54:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:54:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 23:54:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 23:54:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_test [2022-11-25 23:54:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_test [2022-11-25 23:54:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_pg_init_write [2022-11-25 23:54:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_pg_init_write [2022-11-25 23:54:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure transfer_commit_list [2022-11-25 23:54:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure transfer_commit_list [2022-11-25 23:54:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:54:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_release [2022-11-25 23:54:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_release [2022-11-25 23:54:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_layout_hdr [2022-11-25 23:54:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_layout_hdr [2022-11-25 23:54:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:54:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:54:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_find_or_create_ds_client [2022-11-25 23:54:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_find_or_create_ds_client [2022-11-25 23:54:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-25 23:54:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-25 23:54:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-25 23:54:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-25 23:54:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 23:54:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-25 23:54:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_deveiceid_node [2022-11-25 23:54:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_deveiceid_node [2022-11-25 23:54:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:54:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-25 23:54:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-25 23:54:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-25 23:54:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-25 23:54:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_request_remove_commit_list [2022-11-25 23:54:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_request_remove_commit_list [2022-11-25 23:54:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_commit_done [2022-11-25 23:54:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_commit_done [2022-11-25 23:54:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-25 23:54:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-25 23:54:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:54:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_FROM_HDR [2022-11-25 23:54:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_FROM_HDR [2022-11-25 23:54:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_inline_decode [2022-11-25 23:54:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_inline_decode [2022-11-25 23:54:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 23:54:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 23:54:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:54:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_layout_hdr [2022-11-25 23:54:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_layout_hdr [2022-11-25 23:54:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure req_offset [2022-11-25 23:54:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure req_offset [2022-11-25 23:54:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:54:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:54:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_mark_request_commit [2022-11-25 23:54:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_mark_request_commit [2022-11-25 23:54:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80___0 [2022-11-25 23:54:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80___0 [2022-11-25 23:54:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-25 23:54:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-25 23:54:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:54:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:54:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure _filelayout_free_lseg [2022-11-25 23:54:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure _filelayout_free_lseg [2022-11-25 23:54:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_alloc_lseg [2022-11-25 23:54:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_alloc_lseg [2022-11-25 23:54:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-25 23:54:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-25 23:54:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_set_rw_stateid [2022-11-25 23:54:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_set_rw_stateid [2022-11-25 23:54:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:54:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:54:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 23:54:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 23:54:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:54:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:54:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 23:54:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 23:54:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_count_stats [2022-11-25 23:54:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_count_stats [2022-11-25 23:54:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:54:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 23:54:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure FILELAYOUT_DEVID_NODE [2022-11-25 23:54:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure FILELAYOUT_DEVID_NODE [2022-11-25 23:54:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_resend_writes [2022-11-25 23:54:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_resend_writes [2022-11-25 23:54:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-25 23:54:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-25 23:54:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_sequence_done [2022-11-25 23:54:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_sequence_done [2022-11-25 23:54:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_free_deviceid [2022-11-25 23:54:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_free_deviceid [2022-11-25 23:54:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_retry_commit [2022-11-25 23:54:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_retry_commit [2022-11-25 23:54:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_scan_commit_lists [2022-11-25 23:54:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_scan_commit_lists [2022-11-25 23:54:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_fenceme [2022-11-25 23:54:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_fenceme [2022-11-25 23:54:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_commit_pagelist [2022-11-25 23:54:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_commit_pagelist [2022-11-25 23:54:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_put_lseg [2022-11-25 23:54:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_put_lseg [2022-11-25 23:54:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-25 23:54:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-25 23:54:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure __be32_to_cpup [2022-11-25 23:54:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __be32_to_cpup [2022-11-25 23:54:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_count_stats [2022-11-25 23:54:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_count_stats [2022-11-25 23:54:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_read [2022-11-25 23:54:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_read [2022-11-25 23:54:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_exit [2022-11-25 23:54:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_exit [2022-11-25 23:54:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 23:54:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 23:54:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-25 23:54:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-25 23:54:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure rpc_count_iostats [2022-11-25 23:54:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure rpc_count_iostats [2022-11-25 23:54:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_clear_request_commit [2022-11-25 23:54:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_clear_request_commit [2022-11-25 23:54:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-25 23:54:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-25 23:54:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:54:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 23:54:41,370 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 23:54:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_FILEID [2022-11-25 23:54:41,370 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_FILEID [2022-11-25 23:54:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_calc_ds_index [2022-11-25 23:54:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_calc_ds_index [2022-11-25 23:54:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_get_dserver_offset [2022-11-25 23:54:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_get_dserver_offset [2022-11-25 23:54:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:54:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_fl_put_deviceid [2022-11-25 23:54:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_fl_put_deviceid [2022-11-25 23:54:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-25 23:54:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-25 23:54:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:54:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_prepare [2022-11-25 23:54:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_prepare [2022-11-25 23:54:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure NFS_I [2022-11-25 23:54:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure NFS_I [2022-11-25 23:54:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 23:54:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 23:54:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 23:54:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 23:54:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_put_client [2022-11-25 23:54:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_put_client [2022-11-25 23:54:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 23:54:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 23:54:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_call_done [2022-11-25 23:54:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_call_done [2022-11-25 23:54:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 23:54:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 23:54:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_release [2022-11-25 23:54:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_release [2022-11-25 23:54:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure nfs41_setup_sequence [2022-11-25 23:54:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs41_setup_sequence [2022-11-25 23:54:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 23:54:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 23:54:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_commitdata_alloc [2022-11-25 23:54:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_commitdata_alloc [2022-11-25 23:54:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure xdr_set_scratch_buffer [2022-11-25 23:54:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure xdr_set_scratch_buffer [2022-11-25 23:54:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2022-11-25 23:54:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2022-11-25 23:54:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_pagelist [2022-11-25 23:54:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_pagelist [2022-11-25 23:54:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-25 23:54:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-25 23:54:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:54:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:54:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_call_done [2022-11-25 23:54:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_call_done [2022-11-25 23:54:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:54:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_free_fh_array [2022-11-25 23:54:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_free_fh_array [2022-11-25 23:54:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_pagelist [2022-11-25 23:54:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_pagelist [2022-11-25 23:54:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:54:41,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:54:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2022-11-25 23:54:41,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2022-11-25 23:54:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure nfs_initiate_commit [2022-11-25 23:54:41,379 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs_initiate_commit [2022-11-25 23:54:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-11-25 23:54:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-25 23:54:41,380 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-25 23:54:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 23:54:41,380 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 23:54:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_print_deviceid [2022-11-25 23:54:41,380 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_print_deviceid [2022-11-25 23:54:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 23:54:41,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 23:54:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure pnfs_update_layout [2022-11-25 23:54:41,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pnfs_update_layout [2022-11-25 23:54:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-25 23:54:41,381 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-25 23:54:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-11-25 23:54:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nfs4filelayout_exit_5_2 [2022-11-25 23:54:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_read_release [2022-11-25 23:54:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_read_release [2022-11-25 23:54:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure nfs4_mark_deviceid_unavailable [2022-11-25 23:54:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure nfs4_mark_deviceid_unavailable [2022-11-25 23:54:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_test_devid_unavailable [2022-11-25 23:54:41,383 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_test_devid_unavailable [2022-11-25 23:54:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:54:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 23:54:41,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-25 23:54:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_write_prepare [2022-11-25 23:54:41,383 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_write_prepare [2022-11-25 23:54:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-25 23:54:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-25 23:54:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure filelayout_reset_to_mds [2022-11-25 23:54:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure filelayout_reset_to_mds [2022-11-25 23:54:42,431 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:54:42,435 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:54:43,123 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 23:54:46,247 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-25 23:54:46,426 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:54:47,619 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:54:47,619 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 23:54:47,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:54:47 BoogieIcfgContainer [2022-11-25 23:54:47,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:54:47,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:54:47,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:54:47,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:54:47,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:54:35" (1/3) ... [2022-11-25 23:54:47,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ace42a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:54:47, skipping insertion in model container [2022-11-25 23:54:47,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:40" (2/3) ... [2022-11-25 23:54:47,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ace42a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:54:47, skipping insertion in model container [2022-11-25 23:54:47,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:54:47" (3/3) ... [2022-11-25 23:54:47,634 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-nfs-nfs_layout_nfsv41_files.cil.i [2022-11-25 23:54:47,657 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:54:47,657 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 23:54:47,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:54:47,806 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;@6695eeed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:54:47,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 23:54:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 1743 states, 1021 states have (on average 1.307541625857003) internal successors, (1335), 1072 states have internal predecessors, (1335), 594 states have call successors, (594), 125 states have call predecessors, (594), 124 states have return successors, (588), 565 states have call predecessors, (588), 588 states have call successors, (588) [2022-11-25 23:54:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2022-11-25 23:54:47,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:47,876 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:54:47,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-25 23:54:47,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:47,884 INFO L85 PathProgramCache]: Analyzing trace with hash 556991049, now seen corresponding path program 1 times [2022-11-25 23:54:47,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:47,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784608781] [2022-11-25 23:54:47,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:47,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2022-11-25 23:54:48,976 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:48,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784608781] [2022-11-25 23:54:48,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784608781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:48,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:48,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:54:48,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351759753] [2022-11-25 23:54:48,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:48,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:54:48,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:49,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:54:49,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:49,057 INFO L87 Difference]: Start difference. First operand has 1743 states, 1021 states have (on average 1.307541625857003) internal successors, (1335), 1072 states have internal predecessors, (1335), 594 states have call successors, (594), 125 states have call predecessors, (594), 124 states have return successors, (588), 565 states have call predecessors, (588), 588 states have call successors, (588) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-25 23:54:50,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:50,870 INFO L93 Difference]: Finished difference Result 5020 states and 7383 transitions. [2022-11-25 23:54:50,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:54:50,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 355 [2022-11-25 23:54:50,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:50,936 INFO L225 Difference]: With dead ends: 5020 [2022-11-25 23:54:50,936 INFO L226 Difference]: Without dead ends: 3336 [2022-11-25 23:54:50,954 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 23:54:50,957 INFO L413 NwaCegarLoop]: 2725 mSDtfsCounter, 2317 mSDsluCounter, 2173 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2317 SdHoareTripleChecker+Valid, 4898 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:50,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2317 Valid, 4898 Invalid, 653 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 23:54:50,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3336 states. [2022-11-25 23:54:51,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3336 to 3330. [2022-11-25 23:54:51,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3330 states, 1973 states have (on average 1.3041054232133806) internal successors, (2573), 2073 states have internal predecessors, (2573), 1110 states have call successors, (1110), 244 states have call predecessors, (1110), 243 states have return successors, (1106), 1060 states have call predecessors, (1106), 1106 states have call successors, (1106) [2022-11-25 23:54:51,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3330 states to 3330 states and 4789 transitions. [2022-11-25 23:54:51,389 INFO L78 Accepts]: Start accepts. Automaton has 3330 states and 4789 transitions. Word has length 355 [2022-11-25 23:54:51,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:51,394 INFO L495 AbstractCegarLoop]: Abstraction has 3330 states and 4789 transitions. [2022-11-25 23:54:51,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-25 23:54:51,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3330 states and 4789 transitions. [2022-11-25 23:54:51,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-11-25 23:54:51,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:51,408 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:54:51,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:54:51,409 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-25 23:54:51,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:51,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1508327718, now seen corresponding path program 1 times [2022-11-25 23:54:51,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:51,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719312567] [2022-11-25 23:54:51,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:51,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:52,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2022-11-25 23:54:52,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:52,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719312567] [2022-11-25 23:54:52,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719312567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:52,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:52,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:54:52,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871950419] [2022-11-25 23:54:52,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:52,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:54:52,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:52,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:54:52,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:54:52,569 INFO L87 Difference]: Start difference. First operand 3330 states and 4789 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-25 23:54:59,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:59,915 INFO L93 Difference]: Finished difference Result 9817 states and 14092 transitions. [2022-11-25 23:54:59,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:54:59,916 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 365 [2022-11-25 23:54:59,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:59,965 INFO L225 Difference]: With dead ends: 9817 [2022-11-25 23:54:59,965 INFO L226 Difference]: Without dead ends: 6556 [2022-11-25 23:54:59,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:54:59,982 INFO L413 NwaCegarLoop]: 3245 mSDtfsCounter, 6255 mSDsluCounter, 6391 mSDsCounter, 0 mSdLazyCounter, 3110 mSolverCounterSat, 1096 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6339 SdHoareTripleChecker+Valid, 9636 SdHoareTripleChecker+Invalid, 4206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1096 IncrementalHoareTripleChecker+Valid, 3110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:59,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6339 Valid, 9636 Invalid, 4206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1096 Valid, 3110 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-25 23:54:59,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6556 states. [2022-11-25 23:55:00,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6556 to 6478. [2022-11-25 23:55:00,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6478 states, 3859 states have (on average 1.3065561026172583) internal successors, (5042), 4059 states have internal predecessors, (5042), 2126 states have call successors, (2126), 490 states have call predecessors, (2126), 489 states have return successors, (2122), 2024 states have call predecessors, (2122), 2122 states have call successors, (2122) [2022-11-25 23:55:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6478 states to 6478 states and 9290 transitions. [2022-11-25 23:55:00,377 INFO L78 Accepts]: Start accepts. Automaton has 6478 states and 9290 transitions. Word has length 365 [2022-11-25 23:55:00,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:00,378 INFO L495 AbstractCegarLoop]: Abstraction has 6478 states and 9290 transitions. [2022-11-25 23:55:00,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-25 23:55:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 6478 states and 9290 transitions. [2022-11-25 23:55:00,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-11-25 23:55:00,386 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:00,387 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:00,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:55:00,387 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-25 23:55:00,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:00,388 INFO L85 PathProgramCache]: Analyzing trace with hash -937913347, now seen corresponding path program 1 times [2022-11-25 23:55:00,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:00,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408276988] [2022-11-25 23:55:00,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:00,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2022-11-25 23:55:00,843 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:00,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408276988] [2022-11-25 23:55:00,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408276988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:00,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:00,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:00,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188748458] [2022-11-25 23:55:00,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:00,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:00,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:00,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:00,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:00,846 INFO L87 Difference]: Start difference. First operand 6478 states and 9290 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-25 23:55:02,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:02,539 INFO L93 Difference]: Finished difference Result 17597 states and 25211 transitions. [2022-11-25 23:55:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:02,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 369 [2022-11-25 23:55:02,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:02,608 INFO L225 Difference]: With dead ends: 17597 [2022-11-25 23:55:02,608 INFO L226 Difference]: Without dead ends: 11188 [2022-11-25 23:55:02,641 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 23:55:02,645 INFO L413 NwaCegarLoop]: 2738 mSDtfsCounter, 2319 mSDsluCounter, 2159 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2319 SdHoareTripleChecker+Valid, 4897 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:02,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2319 Valid, 4897 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 23:55:02,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11188 states. [2022-11-25 23:55:03,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11188 to 11150. [2022-11-25 23:55:03,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11150 states, 6662 states have (on average 1.306664665265686) internal successors, (8705), 7012 states have internal predecessors, (8705), 3626 states have call successors, (3626), 859 states have call predecessors, (3626), 858 states have return successors, (3622), 3446 states have call predecessors, (3622), 3622 states have call successors, (3622) [2022-11-25 23:55:03,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11150 states to 11150 states and 15953 transitions. [2022-11-25 23:55:03,512 INFO L78 Accepts]: Start accepts. Automaton has 11150 states and 15953 transitions. Word has length 369 [2022-11-25 23:55:03,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:03,513 INFO L495 AbstractCegarLoop]: Abstraction has 11150 states and 15953 transitions. [2022-11-25 23:55:03,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (42), 2 states have call predecessors, (42), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-11-25 23:55:03,514 INFO L276 IsEmpty]: Start isEmpty. Operand 11150 states and 15953 transitions. [2022-11-25 23:55:03,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-11-25 23:55:03,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:03,521 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:03,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:55:03,522 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-25 23:55:03,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:03,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1722097032, now seen corresponding path program 1 times [2022-11-25 23:55:03,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:03,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738389767] [2022-11-25 23:55:03,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:03,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:03,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2022-11-25 23:55:03,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:03,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738389767] [2022-11-25 23:55:03,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738389767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:03,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:03,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:03,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763667932] [2022-11-25 23:55:03,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:03,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:03,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:03,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:03,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:03,824 INFO L87 Difference]: Start difference. First operand 11150 states and 15953 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-25 23:55:06,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:06,115 INFO L93 Difference]: Finished difference Result 31391 states and 44831 transitions. [2022-11-25 23:55:06,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:06,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 366 [2022-11-25 23:55:06,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:06,260 INFO L225 Difference]: With dead ends: 31391 [2022-11-25 23:55:06,261 INFO L226 Difference]: Without dead ends: 20310 [2022-11-25 23:55:06,320 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 23:55:06,322 INFO L413 NwaCegarLoop]: 2717 mSDtfsCounter, 2277 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2277 SdHoareTripleChecker+Valid, 4861 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:06,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2277 Valid, 4861 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 23:55:06,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20310 states. [2022-11-25 23:55:07,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20310 to 20262. [2022-11-25 23:55:07,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20262 states, 12096 states have (on average 1.302662037037037) internal successors, (15757), 12756 states have internal predecessors, (15757), 6566 states have call successors, (6566), 1597 states have call predecessors, (6566), 1596 states have return successors, (6562), 6220 states have call predecessors, (6562), 6562 states have call successors, (6562) [2022-11-25 23:55:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20262 states to 20262 states and 28885 transitions. [2022-11-25 23:55:07,856 INFO L78 Accepts]: Start accepts. Automaton has 20262 states and 28885 transitions. Word has length 366 [2022-11-25 23:55:07,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:07,857 INFO L495 AbstractCegarLoop]: Abstraction has 20262 states and 28885 transitions. [2022-11-25 23:55:07,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-25 23:55:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 20262 states and 28885 transitions. [2022-11-25 23:55:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-11-25 23:55:07,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:07,865 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:07,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:55:07,865 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-25 23:55:07,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:07,866 INFO L85 PathProgramCache]: Analyzing trace with hash -798689079, now seen corresponding path program 1 times [2022-11-25 23:55:07,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:07,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531556880] [2022-11-25 23:55:07,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:07,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2022-11-25 23:55:08,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:08,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531556880] [2022-11-25 23:55:08,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531556880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:08,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:08,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:08,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818351204] [2022-11-25 23:55:08,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:08,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:08,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:08,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:08,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:08,192 INFO L87 Difference]: Start difference. First operand 20262 states and 28885 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-25 23:55:11,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:11,053 INFO L93 Difference]: Finished difference Result 53015 states and 75178 transitions. [2022-11-25 23:55:11,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:11,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 367 [2022-11-25 23:55:11,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:11,229 INFO L225 Difference]: With dead ends: 53015 [2022-11-25 23:55:11,229 INFO L226 Difference]: Without dead ends: 32822 [2022-11-25 23:55:11,308 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 23:55:11,309 INFO L413 NwaCegarLoop]: 3511 mSDtfsCounter, 2276 mSDsluCounter, 2144 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2276 SdHoareTripleChecker+Valid, 5655 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:11,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2276 Valid, 5655 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-25 23:55:11,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32822 states. [2022-11-25 23:55:13,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32822 to 32774. [2022-11-25 23:55:13,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32774 states, 19459 states have (on average 1.295441697928979) internal successors, (25208), 20620 states have internal predecessors, (25208), 10533 states have call successors, (10533), 2779 states have call predecessors, (10533), 2778 states have return successors, (10529), 9862 states have call predecessors, (10529), 10529 states have call successors, (10529) [2022-11-25 23:55:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32774 states to 32774 states and 46270 transitions. [2022-11-25 23:55:13,953 INFO L78 Accepts]: Start accepts. Automaton has 32774 states and 46270 transitions. Word has length 367 [2022-11-25 23:55:13,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:13,954 INFO L495 AbstractCegarLoop]: Abstraction has 32774 states and 46270 transitions. [2022-11-25 23:55:13,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-25 23:55:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 32774 states and 46270 transitions. [2022-11-25 23:55:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-11-25 23:55:13,961 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:13,962 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:55:13,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:55:13,962 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-25 23:55:13,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:13,963 INFO L85 PathProgramCache]: Analyzing trace with hash 971230803, now seen corresponding path program 1 times [2022-11-25 23:55:13,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:13,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056295043] [2022-11-25 23:55:13,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:13,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:14,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4556 trivial. 0 not checked. [2022-11-25 23:55:14,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:14,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056295043] [2022-11-25 23:55:14,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056295043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:14,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:14,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:55:14,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495004801] [2022-11-25 23:55:14,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:14,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:55:14,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:14,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:55:14,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:55:14,293 INFO L87 Difference]: Start difference. First operand 32774 states and 46270 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-25 23:55:18,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:18,244 INFO L93 Difference]: Finished difference Result 93921 states and 132646 transitions. [2022-11-25 23:55:18,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:55:18,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 372 [2022-11-25 23:55:18,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:18,809 INFO L225 Difference]: With dead ends: 93921 [2022-11-25 23:55:18,810 INFO L226 Difference]: Without dead ends: 61216 [2022-11-25 23:55:18,931 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 23:55:18,932 INFO L413 NwaCegarLoop]: 3052 mSDtfsCounter, 2320 mSDsluCounter, 2159 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2320 SdHoareTripleChecker+Valid, 5211 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:18,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2320 Valid, 5211 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 23:55:18,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61216 states. [2022-11-25 23:55:22,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61216 to 61172. [2022-11-25 23:55:22,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61172 states, 36498 states have (on average 1.2950572634116937) internal successors, (47267), 38585 states have internal predecessors, (47267), 19517 states have call successors, (19517), 5154 states have call predecessors, (19517), 5153 states have return successors, (19513), 18356 states have call predecessors, (19513), 19513 states have call successors, (19513) [2022-11-25 23:55:22,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61172 states to 61172 states and 86297 transitions. [2022-11-25 23:55:22,671 INFO L78 Accepts]: Start accepts. Automaton has 61172 states and 86297 transitions. Word has length 372 [2022-11-25 23:55:22,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:22,672 INFO L495 AbstractCegarLoop]: Abstraction has 61172 states and 86297 transitions. [2022-11-25 23:55:22,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-25 23:55:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 61172 states and 86297 transitions. [2022-11-25 23:55:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-11-25 23:55:22,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:22,679 INFO L195 NwaCegarLoop]: trace histogram [37, 34, 34, 34, 34, 34, 34, 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] [2022-11-25 23:55:22,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:55:22,679 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-25 23:55:22,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:22,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1040116225, now seen corresponding path program 1 times [2022-11-25 23:55:22,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:22,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391971198] [2022-11-25 23:55:22,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:22,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 4702 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4702 trivial. 0 not checked. [2022-11-25 23:55:23,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:23,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391971198] [2022-11-25 23:55:23,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391971198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:23,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:23,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:55:23,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747321321] [2022-11-25 23:55:23,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:23,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:55:23,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:23,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:55:23,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:55:23,638 INFO L87 Difference]: Start difference. First operand 61172 states and 86297 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-25 23:55:27,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:27,727 INFO L93 Difference]: Finished difference Result 61178 states and 86302 transitions. [2022-11-25 23:55:27,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:55:27,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 383 [2022-11-25 23:55:27,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:28,001 INFO L225 Difference]: With dead ends: 61178 [2022-11-25 23:55:28,002 INFO L226 Difference]: Without dead ends: 61176 [2022-11-25 23:55:28,028 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 23:55:28,029 INFO L413 NwaCegarLoop]: 2177 mSDtfsCounter, 2394 mSDsluCounter, 4336 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2410 SdHoareTripleChecker+Valid, 6513 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:28,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2410 Valid, 6513 Invalid, 955 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-25 23:55:28,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61176 states. [2022-11-25 23:55:31,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61176 to 61176. [2022-11-25 23:55:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61176 states, 36501 states have (on average 1.29503301279417) internal successors, (47270), 38588 states have internal predecessors, (47270), 19517 states have call successors, (19517), 5155 states have call predecessors, (19517), 5154 states have return successors, (19513), 18356 states have call predecessors, (19513), 19513 states have call successors, (19513) [2022-11-25 23:55:31,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61176 states to 61176 states and 86300 transitions. [2022-11-25 23:55:31,986 INFO L78 Accepts]: Start accepts. Automaton has 61176 states and 86300 transitions. Word has length 383 [2022-11-25 23:55:31,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:31,987 INFO L495 AbstractCegarLoop]: Abstraction has 61176 states and 86300 transitions. [2022-11-25 23:55:31,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-25 23:55:31,988 INFO L276 IsEmpty]: Start isEmpty. Operand 61176 states and 86300 transitions. [2022-11-25 23:55:31,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-11-25 23:55:31,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:31,995 INFO L195 NwaCegarLoop]: trace histogram [37, 34, 34, 34, 34, 34, 34, 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] [2022-11-25 23:55:31,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:55:31,996 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-25 23:55:31,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:31,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1879892803, now seen corresponding path program 1 times [2022-11-25 23:55:31,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:31,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946594871] [2022-11-25 23:55:31,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:31,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:32,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4705 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4703 trivial. 0 not checked. [2022-11-25 23:55:32,631 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:32,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946594871] [2022-11-25 23:55:32,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946594871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:32,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:32,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:55:32,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846066030] [2022-11-25 23:55:32,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:32,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:55:32,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:32,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:55:32,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:55:32,634 INFO L87 Difference]: Start difference. First operand 61176 states and 86300 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-25 23:55:36,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:36,479 INFO L93 Difference]: Finished difference Result 61182 states and 86305 transitions. [2022-11-25 23:55:36,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:55:36,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 389 [2022-11-25 23:55:36,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:36,762 INFO L225 Difference]: With dead ends: 61182 [2022-11-25 23:55:36,762 INFO L226 Difference]: Without dead ends: 61180 [2022-11-25 23:55:36,787 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 23:55:36,788 INFO L413 NwaCegarLoop]: 2180 mSDtfsCounter, 2389 mSDsluCounter, 4336 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 6516 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:36,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2404 Valid, 6516 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-25 23:55:36,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61180 states. [2022-11-25 23:55:40,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61180 to 61180. [2022-11-25 23:55:40,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61180 states, 36504 states have (on average 1.2950087661626124) internal successors, (47273), 38591 states have internal predecessors, (47273), 19517 states have call successors, (19517), 5156 states have call predecessors, (19517), 5155 states have return successors, (19513), 18356 states have call predecessors, (19513), 19513 states have call successors, (19513) [2022-11-25 23:55:40,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61180 states to 61180 states and 86303 transitions. [2022-11-25 23:55:40,411 INFO L78 Accepts]: Start accepts. Automaton has 61180 states and 86303 transitions. Word has length 389 [2022-11-25 23:55:40,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:55:40,412 INFO L495 AbstractCegarLoop]: Abstraction has 61180 states and 86303 transitions. [2022-11-25 23:55:40,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-25 23:55:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 61180 states and 86303 transitions. [2022-11-25 23:55:40,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-11-25 23:55:40,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:55:40,422 INFO L195 NwaCegarLoop]: trace histogram [37, 34, 34, 34, 34, 34, 34, 3, 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] [2022-11-25 23:55:40,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:55:40,423 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-25 23:55:40,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:55:40,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1933408577, now seen corresponding path program 1 times [2022-11-25 23:55:40,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:55:40,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921812841] [2022-11-25 23:55:40,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:55:40,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:55:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:55:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4710 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4706 trivial. 0 not checked. [2022-11-25 23:55:41,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:55:41,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921812841] [2022-11-25 23:55:41,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921812841] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:55:41,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:55:41,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:55:41,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365060855] [2022-11-25 23:55:41,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:55:41,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:55:41,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:55:41,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:55:41,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:55:41,028 INFO L87 Difference]: Start difference. First operand 61180 states and 86303 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-11-25 23:55:45,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:55:45,179 INFO L93 Difference]: Finished difference Result 61186 states and 86308 transitions. [2022-11-25 23:55:45,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:55:45,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (44), 3 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 393 [2022-11-25 23:55:45,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:55:45,438 INFO L225 Difference]: With dead ends: 61186 [2022-11-25 23:55:45,439 INFO L226 Difference]: Without dead ends: 61184 [2022-11-25 23:55:45,694 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 23:55:45,694 INFO L413 NwaCegarLoop]: 2180 mSDtfsCounter, 2389 mSDsluCounter, 4336 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2403 SdHoareTripleChecker+Valid, 6516 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:55:45,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2403 Valid, 6516 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 23:55:45,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61184 states.