./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-autofs4-autofs4.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh --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 ebed12b86dce507000a7a0630996a9595573172c73db75fed69855441af252c1 --- 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-2329fc7 [2022-12-14 09:04:48,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:04:48,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:04:48,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:04:48,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:04:48,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:04:48,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:04:48,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:04:48,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:04:48,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:04:48,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:04:48,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:04:48,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:04:48,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:04:48,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:04:48,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:04:48,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:04:48,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:04:48,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:04:48,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:04:48,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:04:48,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:04:48,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:04:48,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:04:48,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:04:48,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:04:48,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:04:48,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:04:48,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:04:48,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:04:48,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:04:48,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:04:48,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:04:48,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:04:48,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:04:48,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:04:48,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:04:48,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:04:48,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:04:48,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:04:48,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:04:48,974 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:04:48,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:04:48,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:04:48,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:04:48,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:04:48,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:04:48,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:04:48,989 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:04:48,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:04:48,990 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:04:48,990 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:04:48,990 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:04:48,990 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:04:48,990 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:04:48,990 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:04:48,990 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:04:48,990 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:04:48,990 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:04:48,991 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:04:48,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:04:48,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:04:48,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:04:48,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:04:48,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:04:48,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:04:48,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:04:48,992 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:04:48,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:04:48,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:04:48,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:04:48,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:04:48,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:04:48,992 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:04:48,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:04:48,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:04:48,993 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:04:48,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:04:48,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:04:48,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:04:48,993 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_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebed12b86dce507000a7a0630996a9595573172c73db75fed69855441af252c1 [2022-12-14 09:04:49,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:04:49,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:04:49,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:04:49,168 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:04:49,169 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:04:49,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2022-12-14 09:04:51,735 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:04:52,108 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:04:52,109 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2022-12-14 09:04:52,135 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/data/5bfd762a6/71afa60c8203412b8cc435e29b268909/FLAG57fabf3d9 [2022-12-14 09:04:52,148 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/data/5bfd762a6/71afa60c8203412b8cc435e29b268909 [2022-12-14 09:04:52,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:04:52,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:04:52,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:04:52,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:04:52,157 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:04:52,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:04:52" (1/1) ... [2022-12-14 09:04:52,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df623ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:52, skipping insertion in model container [2022-12-14 09:04:52,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:04:52" (1/1) ... [2022-12-14 09:04:52,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:04:52,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:04:52,749 WARN L623 FunctionHandler]: Unknown extern function mount_nodev [2022-12-14 09:04:52,782 WARN L623 FunctionHandler]: Unknown extern function register_filesystem [2022-12-14 09:04:52,792 WARN L623 FunctionHandler]: Unknown extern function unregister_filesystem [2022-12-14 09:04:53,174 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,176 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,176 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,177 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,178 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,179 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,179 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,180 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,181 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,181 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,181 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,181 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,182 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,182 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,182 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,182 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,183 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,183 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,183 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,183 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,184 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,184 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,184 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,184 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,184 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,185 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,185 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,185 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,186 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,186 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,186 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,186 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,187 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,187 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,187 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,187 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,188 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,193 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:04:53,262 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:04:53,443 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:53,447 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 09:04:53,449 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,450 WARN L623 FunctionHandler]: Unknown extern function kill_litter_super [2022-12-14 09:04:53,450 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_68 [2022-12-14 09:04:53,450 WARN L623 FunctionHandler]: Unknown extern function kfree_call_rcu [2022-12-14 09:04:53,455 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:53,456 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 09:04:53,456 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:53,457 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 09:04:53,457 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:53,458 WARN L623 FunctionHandler]: Unknown extern function pid_vnr [2022-12-14 09:04:53,458 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:53,458 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:53,458 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:53,459 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:53,459 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:53,460 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:53,460 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:53,464 WARN L623 FunctionHandler]: Unknown extern function clear_inode [2022-12-14 09:04:53,464 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:53,471 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:53,471 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:53,472 WARN L623 FunctionHandler]: Unknown extern function match_token [2022-12-14 09:04:53,473 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 09:04:53,473 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 09:04:53,474 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:53,474 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-12-14 09:04:53,474 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 09:04:53,475 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:53,475 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-12-14 09:04:53,476 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 09:04:53,476 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 09:04:53,476 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 09:04:53,477 WARN L623 FunctionHandler]: Unknown extern function strsep [2022-12-14 09:04:53,479 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,481 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:04:53,481 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:04:53,481 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:04:53,482 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:04:53,483 WARN L623 FunctionHandler]: Unknown extern function d_make_root [2022-12-14 09:04:53,484 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:53,484 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-12-14 09:04:53,485 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:53,485 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-12-14 09:04:53,486 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:53,488 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,488 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 09:04:53,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:53,489 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:53,489 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:53,489 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:53,489 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:53,490 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 09:04:53,490 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:53,491 WARN L623 FunctionHandler]: Unknown extern function new_inode [2022-12-14 09:04:53,492 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 09:04:53,492 WARN L623 FunctionHandler]: Unknown extern function get_next_ino [2022-12-14 09:04:53,493 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-14 09:04:53,494 WARN L623 FunctionHandler]: Unknown extern function simple_statfs [2022-12-14 09:04:53,504 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:04:53,514 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 09:04:53,566 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 09:04:53,577 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 09:04:53,607 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 09:04:53,607 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 09:04:53,619 WARN L623 FunctionHandler]: Unknown extern function lockref_get [2022-12-14 09:04:53,655 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:53,667 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-12-14 09:04:53,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,752 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 09:04:53,753 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-12-14 09:04:53,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,755 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:04:53,756 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:04:53,761 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:04:53,767 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:04:53,773 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,775 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,779 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:53,783 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 09:04:53,784 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:53,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,787 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 09:04:53,788 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 09:04:53,790 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,792 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 09:04:53,806 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,808 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,810 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 09:04:53,812 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,813 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:53,814 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:53,814 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 09:04:53,815 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:04:53,816 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:53,816 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-12-14 09:04:53,816 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 09:04:53,817 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-12-14 09:04:53,827 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,828 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 09:04:53,828 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-12-14 09:04:53,829 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:53,829 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-12-14 09:04:53,830 WARN L623 FunctionHandler]: Unknown extern function drop_nlink [2022-12-14 09:04:53,831 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,833 WARN L623 FunctionHandler]: Unknown extern function inc_nlink [2022-12-14 09:04:53,833 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 09:04:53,837 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:53,837 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:53,842 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:53,842 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:53,847 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:53,851 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:53,856 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-12-14 09:04:53,857 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,857 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:53,863 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:53,864 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:04:53,869 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-12-14 09:04:53,869 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-12-14 09:04:53,869 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-14 09:04:53,869 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-12-14 09:04:53,870 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-12-14 09:04:53,870 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-14 09:04:53,871 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-12-14 09:04:53,871 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-12-14 09:04:53,872 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-12-14 09:04:53,885 WARN L623 FunctionHandler]: Unknown extern function generic_readlink [2022-12-14 09:04:53,997 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:04:54,002 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:04:54,007 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:04:54,015 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:04:54,024 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 09:04:54,025 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 09:04:54,025 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 09:04:54,026 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 09:04:54,026 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 09:04:54,090 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 09:04:54,094 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 09:04:54,098 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:54,099 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 09:04:54,099 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 09:04:54,103 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:54,103 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 09:04:54,104 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 09:04:54,143 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-12-14 09:04:54,159 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:04:54,159 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,160 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,161 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:54,161 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 09:04:54,161 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:54,161 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,166 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:04:54,167 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,168 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 09:04:54,173 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,176 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 09:04:54,176 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 09:04:54,177 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:54,177 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,177 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,178 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:54,183 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 09:04:54,184 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 09:04:54,189 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:04:54,194 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,195 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 09:04:54,195 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:04:54,196 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 09:04:54,196 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 09:04:54,197 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:54,198 WARN L623 FunctionHandler]: Unknown extern function task_tgid_nr_ns [2022-12-14 09:04:54,199 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:04:54,200 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:54,200 WARN L623 FunctionHandler]: Unknown extern function full_name_hash [2022-12-14 09:04:54,200 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:04:54,200 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:54,201 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,201 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:54,201 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:54,201 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,202 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:04:54,202 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:54,203 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:54,204 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,206 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,206 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,206 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:54,208 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 09:04:54,209 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 09:04:54,210 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 09:04:54,210 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 09:04:54,210 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 09:04:54,211 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,212 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 09:04:54,213 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:54,213 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:04:54,213 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:54,213 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,215 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:04:54,215 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,216 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:54,216 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 09:04:54,216 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:54,217 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,217 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:04:54,217 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:04:54,218 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:04:54,222 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 09:04:54,234 WARN L623 FunctionHandler]: Unknown extern function lock_set_class [2022-12-14 09:04:54,256 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-12-14 09:04:54,265 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:04:54,295 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:54,296 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:04:54,296 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:04:54,296 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 09:04:54,322 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,322 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-12-14 09:04:54,323 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-12-14 09:04:54,323 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-12-14 09:04:54,324 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,324 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 09:04:54,329 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:54,330 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:54,335 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:54,336 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:54,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,341 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-12-14 09:04:54,347 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,348 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:54,349 WARN L623 FunctionHandler]: Unknown extern function d_invalidate [2022-12-14 09:04:54,349 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:54,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,356 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,357 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:54,359 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,361 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,361 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 09:04:54,362 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:54,363 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,366 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 09:04:54,367 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:54,368 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:54,369 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 09:04:54,370 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 09:04:54,370 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:54,370 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:54,371 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:04:54,371 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:04:54,371 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:04:54,419 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:54,419 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:04:54,419 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:04:54,420 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 09:04:54,460 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 09:04:54,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:54,469 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 09:04:54,473 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:54,477 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:54,477 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:54,478 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:54,494 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-12-14 09:04:54,495 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-12-14 09:04:54,495 WARN L623 FunctionHandler]: Unknown extern function follow_up [2022-12-14 09:04:54,495 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 09:04:54,508 WARN L623 FunctionHandler]: Unknown extern function get_unused_fd_flags [2022-12-14 09:04:54,508 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:54,509 WARN L623 FunctionHandler]: Unknown extern function dentry_open [2022-12-14 09:04:54,509 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 09:04:54,509 WARN L623 FunctionHandler]: Unknown extern function fd_install [2022-12-14 09:04:54,509 WARN L623 FunctionHandler]: Unknown extern function put_unused_fd [2022-12-14 09:04:54,518 WARN L623 FunctionHandler]: Unknown extern function sys_close [2022-12-14 09:04:54,531 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:04:54,531 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,531 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-12-14 09:04:54,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:54,532 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 09:04:54,532 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:54,532 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 09:04:54,533 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:54,545 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:54,545 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 09:04:54,546 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:54,546 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 09:04:54,546 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 09:04:54,554 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-12-14 09:04:54,559 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-12-14 09:04:54,560 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 09:04:54,560 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-12-14 09:04:54,561 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 09:04:54,570 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:04:54,571 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:54,572 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 09:04:54,572 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:54,573 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:54,573 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:54,582 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:54,620 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 09:04:54,622 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 09:04:54,622 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 09:04:54,663 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 09:04:54,663 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:04:54,671 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 09:04:55,022 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_8f9e423e-9794-4956-8c9c-154cf5f11af0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2022-12-14 09:04:55,026 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_8f9e423e-9794-4956-8c9c-154cf5f11af0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2022-12-14 09:04:55,026 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_8f9e423e-9794-4956-8c9c-154cf5f11af0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2022-12-14 09:04:55,027 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_8f9e423e-9794-4956-8c9c-154cf5f11af0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2022-12-14 09:04:55,033 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,034 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,039 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,040 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,040 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,045 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,047 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,048 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,048 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,049 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:04:55,078 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:04:55,140 WARN L623 FunctionHandler]: Unknown extern function mount_nodev [2022-12-14 09:04:55,143 WARN L623 FunctionHandler]: Unknown extern function register_filesystem [2022-12-14 09:04:55,143 WARN L623 FunctionHandler]: Unknown extern function unregister_filesystem [2022-12-14 09:04:55,148 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,148 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,149 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,149 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,149 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,149 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,149 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,149 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,150 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,150 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,150 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,150 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,151 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,151 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,151 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,151 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,151 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,151 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,152 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,152 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,152 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,152 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,152 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,152 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,152 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,153 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,153 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,153 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,153 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,153 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,153 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,154 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,154 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,154 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,154 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,154 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,155 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,155 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,155 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,155 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,155 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,155 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,156 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,156 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,158 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 09:04:55,174 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:04:55,184 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,184 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 09:04:55,185 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,186 WARN L623 FunctionHandler]: Unknown extern function kill_litter_super [2022-12-14 09:04:55,186 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_68 [2022-12-14 09:04:55,187 WARN L623 FunctionHandler]: Unknown extern function kfree_call_rcu [2022-12-14 09:04:55,191 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:55,191 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 09:04:55,192 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:55,192 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 09:04:55,192 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:55,193 WARN L623 FunctionHandler]: Unknown extern function pid_vnr [2022-12-14 09:04:55,193 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:55,193 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:55,193 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:55,194 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:55,194 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:55,194 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:55,195 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 09:04:55,195 WARN L623 FunctionHandler]: Unknown extern function clear_inode [2022-12-14 09:04:55,195 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,197 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:55,198 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:55,198 WARN L623 FunctionHandler]: Unknown extern function match_token [2022-12-14 09:04:55,199 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 09:04:55,199 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 09:04:55,199 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:55,200 WARN L623 FunctionHandler]: Unknown extern function make_kuid [2022-12-14 09:04:55,200 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 09:04:55,200 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:55,200 WARN L623 FunctionHandler]: Unknown extern function make_kgid [2022-12-14 09:04:55,201 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 09:04:55,201 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 09:04:55,202 WARN L623 FunctionHandler]: Unknown extern function match_int [2022-12-14 09:04:55,202 WARN L623 FunctionHandler]: Unknown extern function strsep [2022-12-14 09:04:55,204 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,205 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:04:55,205 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 09:04:55,206 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:04:55,206 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 09:04:55,209 WARN L623 FunctionHandler]: Unknown extern function d_make_root [2022-12-14 09:04:55,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,210 WARN L623 FunctionHandler]: Unknown extern function find_get_pid [2022-12-14 09:04:55,210 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,211 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-12-14 09:04:55,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,216 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,217 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 09:04:55,217 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,218 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,218 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:55,218 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,218 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,218 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 09:04:55,218 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,219 WARN L623 FunctionHandler]: Unknown extern function new_inode [2022-12-14 09:04:55,220 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 09:04:55,221 WARN L623 FunctionHandler]: Unknown extern function get_next_ino [2022-12-14 09:04:55,221 WARN L623 FunctionHandler]: Unknown extern function set_nlink [2022-12-14 09:04:55,246 WARN L623 FunctionHandler]: Unknown extern function simple_statfs [2022-12-14 09:04:55,247 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 09:04:55,247 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 09:04:55,248 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 09:04:55,249 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 09:04:55,250 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 09:04:55,250 WARN L623 FunctionHandler]: Unknown extern function d_rehash [2022-12-14 09:04:55,251 WARN L623 FunctionHandler]: Unknown extern function lockref_get [2022-12-14 09:04:55,252 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,253 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-12-14 09:04:55,269 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,270 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 09:04:55,271 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-12-14 09:04:55,274 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,275 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:04:55,275 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 09:04:55,280 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:04:55,284 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:04:55,289 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,290 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,291 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,294 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 09:04:55,295 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,299 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,300 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 09:04:55,301 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 09:04:55,305 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,307 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 09:04:55,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,313 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,314 WARN L623 FunctionHandler]: Unknown extern function d_instantiate [2022-12-14 09:04:55,317 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,319 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,320 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,321 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 09:04:55,322 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:04:55,323 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,324 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-12-14 09:04:55,325 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 09:04:55,325 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-12-14 09:04:55,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,329 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 09:04:55,330 WARN L623 FunctionHandler]: Unknown extern function d_drop [2022-12-14 09:04:55,331 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,331 WARN L623 FunctionHandler]: Unknown extern function clear_nlink [2022-12-14 09:04:55,332 WARN L623 FunctionHandler]: Unknown extern function drop_nlink [2022-12-14 09:04:55,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,337 WARN L623 FunctionHandler]: Unknown extern function inc_nlink [2022-12-14 09:04:55,337 WARN L623 FunctionHandler]: Unknown extern function current_kernel_time [2022-12-14 09:04:55,338 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:55,338 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:55,339 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:55,339 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:55,340 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:55,341 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:55,342 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-12-14 09:04:55,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,343 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:55,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,347 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:04:55,356 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-12-14 09:04:55,356 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-12-14 09:04:55,356 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-14 09:04:55,357 WARN L623 FunctionHandler]: Unknown extern function dcache_readdir [2022-12-14 09:04:55,357 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_lseek [2022-12-14 09:04:55,357 WARN L623 FunctionHandler]: Unknown extern function generic_read_dir [2022-12-14 09:04:55,358 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_open [2022-12-14 09:04:55,358 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-12-14 09:04:55,359 WARN L623 FunctionHandler]: Unknown extern function dcache_dir_close [2022-12-14 09:04:55,362 WARN L623 FunctionHandler]: Unknown extern function generic_readlink [2022-12-14 09:04:55,365 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:04:55,366 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:04:55,367 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 09:04:55,367 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 09:04:55,368 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 09:04:55,368 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 09:04:55,368 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 09:04:55,369 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_off [2022-12-14 09:04:55,369 WARN L623 FunctionHandler]: Unknown extern function trace_hardirqs_on [2022-12-14 09:04:55,370 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 09:04:55,371 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 09:04:55,371 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:55,371 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 09:04:55,372 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 09:04:55,372 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:55,372 WARN L623 FunctionHandler]: Unknown extern function rcu_is_watching [2022-12-14 09:04:55,372 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 09:04:55,376 WARN L623 FunctionHandler]: Unknown extern function __task_pid_nr_ns [2022-12-14 09:04:55,377 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:04:55,377 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,378 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,378 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,379 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 09:04:55,379 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:55,379 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,380 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:04:55,381 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,382 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 09:04:55,383 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,386 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 09:04:55,386 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 09:04:55,387 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,387 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,387 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,387 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:55,389 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 09:04:55,390 WARN L623 FunctionHandler]: Unknown extern function strncpy [2022-12-14 09:04:55,391 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 09:04:55,392 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,393 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout_interruptible [2022-12-14 09:04:55,393 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:04:55,394 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 09:04:55,394 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 09:04:55,395 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,396 WARN L623 FunctionHandler]: Unknown extern function task_tgid_nr_ns [2022-12-14 09:04:55,398 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 09:04:55,399 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,399 WARN L623 FunctionHandler]: Unknown extern function full_name_hash [2022-12-14 09:04:55,399 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 09:04:55,400 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,400 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,400 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,401 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,401 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,401 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:04:55,402 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:55,402 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:55,404 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,405 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,405 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,406 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,406 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 09:04:55,407 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 09:04:55,407 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 09:04:55,407 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 09:04:55,408 WARN L623 FunctionHandler]: Unknown extern function recalc_sigpending [2022-12-14 09:04:55,409 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,409 WARN L623 FunctionHandler]: Unknown extern function d_lookup [2022-12-14 09:04:55,410 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,410 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:04:55,411 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,411 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,412 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:04:55,412 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,413 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,413 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 09:04:55,413 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,413 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,414 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:04:55,414 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:04:55,414 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:04:55,414 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 09:04:55,415 WARN L623 FunctionHandler]: Unknown extern function lock_set_class [2022-12-14 09:04:55,415 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_trylock [2022-12-14 09:04:55,416 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 09:04:55,417 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:55,417 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:04:55,418 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 09:04:55,418 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 09:04:55,420 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,421 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-12-14 09:04:55,421 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-12-14 09:04:55,422 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-12-14 09:04:55,423 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,423 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 09:04:55,425 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,426 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,427 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,428 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,429 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,430 WARN L623 FunctionHandler]: Unknown extern function may_umount_tree [2022-12-14 09:04:55,431 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,433 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,433 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,433 WARN L623 FunctionHandler]: Unknown extern function d_invalidate [2022-12-14 09:04:55,434 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,435 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,436 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,438 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,440 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,441 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,442 WARN L623 FunctionHandler]: Unknown extern function simple_empty [2022-12-14 09:04:55,443 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,444 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,446 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,447 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion [2022-12-14 09:04:55,447 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 09:04:55,449 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,449 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 09:04:55,450 WARN L623 FunctionHandler]: Unknown extern function complete_all [2022-12-14 09:04:55,451 WARN L623 FunctionHandler]: Unknown extern function dput [2022-12-14 09:04:55,451 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:55,451 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:04:55,452 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:04:55,452 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 09:04:55,453 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 09:04:55,454 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:04:55,454 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 09:04:55,454 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 09:04:55,464 WARN L623 FunctionHandler]: Unknown extern function memchr [2022-12-14 09:04:55,464 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,465 WARN L623 FunctionHandler]: Unknown extern function memdup_user [2022-12-14 09:04:55,465 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 09:04:55,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,467 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-12-14 09:04:55,467 WARN L623 FunctionHandler]: Unknown extern function path_get [2022-12-14 09:04:55,468 WARN L623 FunctionHandler]: Unknown extern function follow_up [2022-12-14 09:04:55,468 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 09:04:55,469 WARN L623 FunctionHandler]: Unknown extern function get_unused_fd_flags [2022-12-14 09:04:55,469 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:55,469 WARN L623 FunctionHandler]: Unknown extern function dentry_open [2022-12-14 09:04:55,469 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 09:04:55,469 WARN L623 FunctionHandler]: Unknown extern function fd_install [2022-12-14 09:04:55,470 WARN L623 FunctionHandler]: Unknown extern function put_unused_fd [2022-12-14 09:04:55,470 WARN L623 FunctionHandler]: Unknown extern function sys_close [2022-12-14 09:04:55,471 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 09:04:55,472 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,472 WARN L623 FunctionHandler]: Unknown extern function get_task_pid [2022-12-14 09:04:55,472 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,472 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 09:04:55,472 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:55,473 WARN L623 FunctionHandler]: Unknown extern function put_pid [2022-12-14 09:04:55,473 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 09:04:55,474 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:55,474 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-12-14 09:04:55,474 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 09:04:55,474 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-12-14 09:04:55,475 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 09:04:55,475 WARN L623 FunctionHandler]: Unknown extern function may_umount [2022-12-14 09:04:55,476 WARN L623 FunctionHandler]: Unknown extern function kern_path_mountpoint [2022-12-14 09:04:55,477 WARN L623 FunctionHandler]: Unknown extern function have_submounts [2022-12-14 09:04:55,477 WARN L623 FunctionHandler]: Unknown extern function follow_down_one [2022-12-14 09:04:55,477 WARN L623 FunctionHandler]: Unknown extern function path_put [2022-12-14 09:04:55,479 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 09:04:55,480 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,480 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 09:04:55,480 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:55,481 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:55,481 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 09:04:55,482 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 09:04:55,486 WARN L623 FunctionHandler]: Unknown extern function noop_llseek [2022-12-14 09:04:55,487 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 09:04:55,487 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 09:04:55,489 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 09:04:55,489 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 09:04:55,489 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 09:04:55,499 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_8f9e423e-9794-4956-8c9c-154cf5f11af0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402143,402156] [2022-12-14 09:04:55,499 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_8f9e423e-9794-4956-8c9c-154cf5f11af0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402312,402325] [2022-12-14 09:04:55,500 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_8f9e423e-9794-4956-8c9c-154cf5f11af0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402479,402492] [2022-12-14 09:04:55,500 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_8f9e423e-9794-4956-8c9c-154cf5f11af0/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i[402647,402660] [2022-12-14 09:04:55,501 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,501 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,502 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,502 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,502 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,502 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,503 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,504 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,504 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,505 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 09:04:55,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:04:55,622 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:04:55,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55 WrapperNode [2022-12-14 09:04:55,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:04:55,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:04:55,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:04:55,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:04:55,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55" (1/1) ... [2022-12-14 09:04:55,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55" (1/1) ... [2022-12-14 09:04:55,828 INFO L138 Inliner]: procedures = 553, calls = 3861, calls flagged for inlining = 272, calls inlined = 248, statements flattened = 9211 [2022-12-14 09:04:55,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:04:55,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:04:55,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:04:55,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:04:55,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55" (1/1) ... [2022-12-14 09:04:55,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55" (1/1) ... [2022-12-14 09:04:55,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55" (1/1) ... [2022-12-14 09:04:55,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55" (1/1) ... [2022-12-14 09:04:55,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55" (1/1) ... [2022-12-14 09:04:55,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55" (1/1) ... [2022-12-14 09:04:56,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55" (1/1) ... [2022-12-14 09:04:56,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55" (1/1) ... [2022-12-14 09:04:56,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:04:56,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:04:56,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:04:56,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:04:56,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55" (1/1) ... [2022-12-14 09:04:56,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:04:56,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:04:56,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:04:56,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f9e423e-9794-4956-8c9c-154cf5f11af0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:04:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_evict_inode [2022-12-14 09:04:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_evict_inode [2022-12-14 09:04:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure dput [2022-12-14 09:04:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dput [2022-12-14 09:04:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 09:04:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 09:04:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_unlink [2022-12-14 09:04:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_unlink [2022-12-14 09:04:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_get_inode [2022-12-14 09:04:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_get_inode [2022-12-14 09:04:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 09:04:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 09:04:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 09:04:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 09:04:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_lseek [2022-12-14 09:04:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_lseek [2022-12-14 09:04:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure do_expire_wait [2022-12-14 09:04:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure do_expire_wait [2022-12-14 09:04:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 09:04:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 09:04:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-12-14 09:04:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-12-14 09:04:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure dget [2022-12-14 09:04:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dget [2022-12-14 09:04:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2022-12-14 09:04:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2022-12-14 09:04:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure current_kernel_time [2022-12-14 09:04:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure current_kernel_time [2022-12-14 09:04:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_indirect [2022-12-14 09:04:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_indirect [2022-12-14 09:04:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure new_encode_dev [2022-12-14 09:04:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure new_encode_dev [2022-12-14 09:04:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_clear_managed [2022-12-14 09:04:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_clear_managed [2022-12-14 09:04:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure from_kgid_munged [2022-12-14 09:04:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kgid_munged [2022-12-14 09:04:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure follow_down_one [2022-12-14 09:04:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_down_one [2022-12-14 09:04:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_show_options [2022-12-14 09:04:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_show_options [2022-12-14 09:04:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_48 [2022-12-14 09:04:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_48 [2022-12-14 09:04:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_57 [2022-12-14 09:04:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_57 [2022-12-14 09:04:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure __autofs4_add_expiring [2022-12-14 09:04:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __autofs4_add_expiring [2022-12-14 09:04:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 09:04:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_expire_wait [2022-12-14 09:04:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_expire_wait [2022-12-14 09:04:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl [2022-12-14 09:04:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl [2022-12-14 09:04:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 09:04:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 09:04:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-12-14 09:04:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-12-14 09:04:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 09:04:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 09:04:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:04:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure d_count [2022-12-14 09:04:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure d_count [2022-12-14 09:04:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 09:04:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 09:04:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure from_kuid_munged [2022-12-14 09:04:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure from_kuid_munged [2022-12-14 09:04:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 09:04:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 09:04:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 09:04:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 09:04:56,122 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-12-14 09:04:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-12-14 09:04:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_oz_mode [2022-12-14 09:04:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_oz_mode [2022-12-14 09:04:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_do_expire_multi [2022-12-14 09:04:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_do_expire_multi [2022-12-14 09:04:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2022-12-14 09:04:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2022-12-14 09:04:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure __task_pid_nr_ns [2022-12-14 09:04:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __task_pid_nr_ns [2022-12-14 09:04:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-12-14 09:04:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-12-14 09:04:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_54 [2022-12-14 09:04:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_54 [2022-12-14 09:04:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_sbi [2022-12-14 09:04:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_sbi [2022-12-14 09:04:56,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 09:04:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 09:04:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 09:04:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2022-12-14 09:04:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2022-12-14 09:04:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_new_ino [2022-12-14 09:04:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_new_ino [2022-12-14 09:04:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure simple_empty [2022-12-14 09:04:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_empty [2022-12-14 09:04:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 09:04:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 09:04:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 09:04:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_can_expire [2022-12-14 09:04:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_can_expire [2022-12-14 09:04:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_ino [2022-12-14 09:04:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_ino [2022-12-14 09:04:56,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:04:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure fget [2022-12-14 09:04:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure fget [2022-12-14 09:04:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_open [2022-12-14 09:04:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_open [2022-12-14 09:04:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 09:04:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 09:04:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_rmdir [2022-12-14 09:04:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_rmdir [2022-12-14 09:04:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount [2022-12-14 09:04:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount [2022-12-14 09:04:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_dev_ioctl_exit [2022-12-14 09:04:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_dev_ioctl_exit [2022-12-14 09:04:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-12-14 09:04:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-12-14 09:04:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 09:04:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 09:04:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_open [2022-12-14 09:04:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_open [2022-12-14 09:04:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 09:04:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 09:04:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure clear_nlink [2022-12-14 09:04:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_nlink [2022-12-14 09:04:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_trigger [2022-12-14 09:04:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_trigger [2022-12-14 09:04:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 09:04:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 09:04:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:04:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-12-14 09:04:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-12-14 09:04:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 09:04:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 09:04:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 09:04:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 09:04:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-12-14 09:04:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-12-14 09:04:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 09:04:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 09:04:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2022-12-14 09:04:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-12-14 09:04:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-12-14 09:04:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:04:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 09:04:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 09:04:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:04:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 09:04:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure simple_positive [2022-12-14 09:04:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_positive [2022-12-14 09:04:56,127 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-14 09:04:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-14 09:04:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure path_get [2022-12-14 09:04:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure path_get [2022-12-14 09:04:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure dget_dlock [2022-12-14 09:04:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dget_dlock [2022-12-14 09:04:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure d_lookup [2022-12-14 09:04:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure d_lookup [2022-12-14 09:04:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-12-14 09:04:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-12-14 09:04:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 09:04:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 09:04:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2022-12-14 09:04:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure recalc_sigpending [2022-12-14 09:04:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 09:04:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 09:04:56,128 INFO L130 BoogieDeclarations]: Found specification of procedure d_drop [2022-12-14 09:04:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure d_drop [2022-12-14 09:04:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_mount [2022-12-14 09:04:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_mount [2022-12-14 09:04:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_type_indirect [2022-12-14 09:04:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_type_indirect [2022-12-14 09:04:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:04:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:04:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_wait [2022-12-14 09:04:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_wait [2022-12-14 09:04:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 09:04:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 09:04:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl [2022-12-14 09:04:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl [2022-12-14 09:04:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 09:04:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-12-14 09:04:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2022-12-14 09:04:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2022-12-14 09:04:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2022-12-14 09:04:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2022-12-14 09:04:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 09:04:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 09:04:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait_release [2022-12-14 09:04:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait_release [2022-12-14 09:04:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 09:04:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 09:04:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_ioctl_unlocked [2022-12-14 09:04:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_ioctl_unlocked [2022-12-14 09:04:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 09:04:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 09:04:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-12-14 09:04:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-12-14 09:04:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 09:04:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 09:04:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-12-14 09:04:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-12-14 09:04:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_root_compat_ioctl [2022-12-14 09:04:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_root_compat_ioctl [2022-12-14 09:04:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqretry [2022-12-14 09:04:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqretry [2022-12-14 09:04:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-12-14 09:04:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-12-14 09:04:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-12-14 09:04:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-12-14 09:04:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_readdir [2022-12-14 09:04:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_readdir [2022-12-14 09:04:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure d_instantiate [2022-12-14 09:04:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure d_instantiate [2022-12-14 09:04:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 09:04:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 09:04:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure may_umount_tree [2022-12-14 09:04:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure may_umount_tree [2022-12-14 09:04:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 09:04:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 09:04:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure simple_statfs [2022-12-14 09:04:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_statfs [2022-12-14 09:04:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 09:04:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 09:04:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure get_task_pid [2022-12-14 09:04:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure get_task_pid [2022-12-14 09:04:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure path_put [2022-12-14 09:04:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure path_put [2022-12-14 09:04:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_mount_busy [2022-12-14 09:04:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_mount_busy [2022-12-14 09:04:56,132 INFO L130 BoogieDeclarations]: Found specification of procedure d_unhashed [2022-12-14 09:04:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure d_unhashed [2022-12-14 09:04:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 09:04:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 09:04:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_kill_sb [2022-12-14 09:04:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_kill_sb [2022-12-14 09:04:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:04:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 09:04:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 09:04:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure generic_read_dir [2022-12-14 09:04:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_read_dir [2022-12-14 09:04:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-12-14 09:04:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-12-14 09:04:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure managed_dentry_set_managed [2022-12-14 09:04:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure managed_dentry_set_managed [2022-12-14 09:04:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:04:56,133 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-12-14 09:04:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-12-14 09:04:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-12-14 09:04:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-12-14 09:04:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 09:04:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 09:04:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:04:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 09:04:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 09:04:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 09:04:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 09:04:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure find_autofs_mount [2022-12-14 09:04:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure find_autofs_mount [2022-12-14 09:04:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 09:04:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 09:04:56,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 09:04:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 09:04:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure dcache_dir_close [2022-12-14 09:04:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dcache_dir_close [2022-12-14 09:04:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure ns_of_pid [2022-12-14 09:04:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_of_pid [2022-12-14 09:04:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 09:04:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 09:04:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_55 [2022-12-14 09:04:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_55 [2022-12-14 09:04:56,135 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 09:04:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 09:04:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_clean_ino [2022-12-14 09:04:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_clean_ino [2022-12-14 09:04:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_49 [2022-12-14 09:04:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_49 [2022-12-14 09:04:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_77 [2022-12-14 09:04:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_77 [2022-12-14 09:04:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure kern_path_mountpoint [2022-12-14 09:04:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kern_path_mountpoint [2022-12-14 09:04:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_positive_dentry [2022-12-14 09:04:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_positive_dentry [2022-12-14 09:04:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 09:04:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 09:04:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure __managed_dentry_set_managed [2022-12-14 09:04:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __managed_dentry_set_managed [2022-12-14 09:04:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_wait [2022-12-14 09:04:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_wait [2022-12-14 09:04:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_find_wait [2022-12-14 09:04:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_find_wait [2022-12-14 09:04:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-12-14 09:04:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-12-14 09:04:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-12-14 09:04:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_exit_autofs4_fs_8_2 [2022-12-14 09:04:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:04:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dentry_release [2022-12-14 09:04:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dentry_release [2022-12-14 09:04:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure task_pgrp_nr [2022-12-14 09:04:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pgrp_nr [2022-12-14 09:04:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 09:04:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 09:04:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure uid_eq [2022-12-14 09:04:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure uid_eq [2022-12-14 09:04:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_dir_symlink [2022-12-14 09:04:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_dir_symlink [2022-12-14 09:04:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2022-12-14 09:04:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2022-12-14 09:04:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_78 [2022-12-14 09:04:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_78 [2022-12-14 09:04:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2022-12-14 09:04:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2022-12-14 09:04:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 09:04:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 09:04:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure d_mountpoint [2022-12-14 09:04:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure d_mountpoint [2022-12-14 09:04:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-14 09:04:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-14 09:04:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure have_submounts [2022-12-14 09:04:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure have_submounts [2022-12-14 09:04:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-14 09:04:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-14 09:04:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-14 09:04:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-14 09:04:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 09:04:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 09:04:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 09:04:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 09:04:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure autofs_prepare_pipe [2022-12-14 09:04:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs_prepare_pipe [2022-12-14 09:04:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 09:04:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 09:04:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_del_active [2022-12-14 09:04:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_del_active [2022-12-14 09:04:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-12-14 09:04:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-12-14 09:04:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 09:04:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 09:04:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-12-14 09:04:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-12-14 09:04:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:04:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure d_add [2022-12-14 09:04:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure d_add [2022-12-14 09:04:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure autofs4_catatonic_mode [2022-12-14 09:04:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure autofs4_catatonic_mode [2022-12-14 09:04:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure gid_eq [2022-12-14 09:04:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure gid_eq [2022-12-14 09:04:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 09:04:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 09:04:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-12-14 09:04:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_relax [2022-12-14 09:04:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_relax [2022-12-14 09:04:56,992 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:04:56,995 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:04:57,252 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 09:04:57,792 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint switch_break: call ULTIMATE.dealloc(~#descriptor~12#1.base, ~#descriptor~12#1.offset);havoc ~#descriptor~12#1.base, ~#descriptor~12#1.offset; [2022-12-14 09:05:03,801 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 09:05:03,956 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:05:04,947 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:05:04,947 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-12-14 09:05:04,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:05:04 BoogieIcfgContainer [2022-12-14 09:05:04,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:05:04,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:05:04,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:05:04,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:05:04,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:04:52" (1/3) ... [2022-12-14 09:05:04,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60623804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:05:04, skipping insertion in model container [2022-12-14 09:05:04,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:55" (2/3) ... [2022-12-14 09:05:04,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60623804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:05:04, skipping insertion in model container [2022-12-14 09:05:04,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:05:04" (3/3) ... [2022-12-14 09:05:04,959 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_fs-autofs4-autofs4.cil.i [2022-12-14 09:05:04,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:05:04,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-12-14 09:05:05,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:05:05,050 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;@f179278, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:05:05,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-14 09:05:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 2633 states, 1548 states have (on average 1.3152454780361758) internal successors, (2036), 1601 states have internal predecessors, (2036), 917 states have call successors, (917), 165 states have call predecessors, (917), 164 states have return successors, (906), 900 states have call predecessors, (906), 906 states have call successors, (906) [2022-12-14 09:05:05,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-12-14 09:05:05,096 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:05:05,096 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:05:05,097 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)] === [2022-12-14 09:05:05,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:05:05,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1166748109, now seen corresponding path program 1 times [2022-12-14 09:05:05,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:05:05,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029919757] [2022-12-14 09:05:05,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:05:05,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:05:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:05:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-12-14 09:05:06,207 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:05:06,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029919757] [2022-12-14 09:05:06,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029919757] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:05:06,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:05:06,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:05:06,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020755034] [2022-12-14 09:05:06,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:05:06,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:05:06,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:05:06,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:05:06,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:05:06,252 INFO L87 Difference]: Start difference. First operand has 2633 states, 1548 states have (on average 1.3152454780361758) internal successors, (2036), 1601 states have internal predecessors, (2036), 917 states have call successors, (917), 165 states have call predecessors, (917), 164 states have return successors, (906), 900 states have call predecessors, (906), 906 states have call successors, (906) Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 09:05:08,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:11,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:12,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:05:12,086 INFO L93 Difference]: Finished difference Result 7432 states and 11199 transitions. [2022-12-14 09:05:12,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:05:12,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 465 [2022-12-14 09:05:12,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:05:12,131 INFO L225 Difference]: With dead ends: 7432 [2022-12-14 09:05:12,131 INFO L226 Difference]: Without dead ends: 4872 [2022-12-14 09:05:12,151 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 [2022-12-14 09:05:12,153 INFO L413 NwaCegarLoop]: 4806 mSDtfsCounter, 3327 mSDsluCounter, 3390 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3331 SdHoareTripleChecker+Valid, 8196 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:05:12,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3331 Valid, 8196 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 888 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 09:05:12,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4872 states. [2022-12-14 09:05:12,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4872 to 4865. [2022-12-14 09:05:12,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4865 states, 2874 states have (on average 1.3072372999304105) internal successors, (3757), 2967 states have internal predecessors, (3757), 1668 states have call successors, (1668), 320 states have call predecessors, (1668), 319 states have return successors, (1668), 1652 states have call predecessors, (1668), 1664 states have call successors, (1668) [2022-12-14 09:05:12,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4865 states to 4865 states and 7093 transitions. [2022-12-14 09:05:12,378 INFO L78 Accepts]: Start accepts. Automaton has 4865 states and 7093 transitions. Word has length 465 [2022-12-14 09:05:12,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:05:12,380 INFO L495 AbstractCegarLoop]: Abstraction has 4865 states and 7093 transitions. [2022-12-14 09:05:12,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 09:05:12,380 INFO L276 IsEmpty]: Start isEmpty. Operand 4865 states and 7093 transitions. [2022-12-14 09:05:12,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-12-14 09:05:12,391 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:05:12,391 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:05:12,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:05:12,391 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)] === [2022-12-14 09:05:12,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:05:12,392 INFO L85 PathProgramCache]: Analyzing trace with hash -439447818, now seen corresponding path program 1 times [2022-12-14 09:05:12,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:05:12,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920969938] [2022-12-14 09:05:12,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:05:12,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:05:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:05:12,818 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-12-14 09:05:12,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:05:12,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920969938] [2022-12-14 09:05:12,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920969938] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:05:12,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:05:12,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:05:12,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808187652] [2022-12-14 09:05:12,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:05:12,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:05:12,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:05:12,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:05:12,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:05:12,822 INFO L87 Difference]: Start difference. First operand 4865 states and 7093 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 09:05:15,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:17,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:18,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:05:18,534 INFO L93 Difference]: Finished difference Result 11506 states and 16713 transitions. [2022-12-14 09:05:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:05:18,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 480 [2022-12-14 09:05:18,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:05:18,562 INFO L225 Difference]: With dead ends: 11506 [2022-12-14 09:05:18,562 INFO L226 Difference]: Without dead ends: 6730 [2022-12-14 09:05:18,576 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 [2022-12-14 09:05:18,576 INFO L413 NwaCegarLoop]: 4704 mSDtfsCounter, 2996 mSDsluCounter, 3408 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3000 SdHoareTripleChecker+Valid, 8112 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:05:18,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3000 Valid, 8112 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 880 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 09:05:18,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6730 states. [2022-12-14 09:05:18,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6730 to 6703. [2022-12-14 09:05:18,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6703 states, 3956 states have (on average 1.3043478260869565) internal successors, (5160), 4077 states have internal predecessors, (5160), 2274 states have call successors, (2274), 470 states have call predecessors, (2274), 469 states have return successors, (2278), 2253 states have call predecessors, (2278), 2270 states have call successors, (2278) [2022-12-14 09:05:18,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6703 states to 6703 states and 9712 transitions. [2022-12-14 09:05:18,792 INFO L78 Accepts]: Start accepts. Automaton has 6703 states and 9712 transitions. Word has length 480 [2022-12-14 09:05:18,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:05:18,793 INFO L495 AbstractCegarLoop]: Abstraction has 6703 states and 9712 transitions. [2022-12-14 09:05:18,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 09:05:18,793 INFO L276 IsEmpty]: Start isEmpty. Operand 6703 states and 9712 transitions. [2022-12-14 09:05:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-12-14 09:05:18,808 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:05:18,808 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:05:18,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:05:18,808 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)] === [2022-12-14 09:05:18,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:05:18,809 INFO L85 PathProgramCache]: Analyzing trace with hash 615718268, now seen corresponding path program 1 times [2022-12-14 09:05:18,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:05:18,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664408234] [2022-12-14 09:05:18,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:05:18,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:05:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:05:19,248 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-12-14 09:05:19,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:05:19,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664408234] [2022-12-14 09:05:19,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664408234] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:05:19,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:05:19,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:05:19,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210242877] [2022-12-14 09:05:19,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:05:19,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:05:19,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:05:19,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:05:19,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:05:19,251 INFO L87 Difference]: Start difference. First operand 6703 states and 9712 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 09:05:22,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:24,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:24,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:05:24,817 INFO L93 Difference]: Finished difference Result 17206 states and 24871 transitions. [2022-12-14 09:05:24,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:05:24,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 481 [2022-12-14 09:05:24,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:05:24,867 INFO L225 Difference]: With dead ends: 17206 [2022-12-14 09:05:24,867 INFO L226 Difference]: Without dead ends: 10592 [2022-12-14 09:05:24,917 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 [2022-12-14 09:05:24,918 INFO L413 NwaCegarLoop]: 4311 mSDtfsCounter, 3100 mSDsluCounter, 3381 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 7692 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:05:24,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 7692 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 843 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 09:05:24,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10592 states. [2022-12-14 09:05:25,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10592 to 10567. [2022-12-14 09:05:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10567 states, 6230 states have (on average 1.2996789727126805) internal successors, (8097), 6432 states have internal predecessors, (8097), 3561 states have call successors, (3561), 773 states have call predecessors, (3561), 772 states have return successors, (3575), 3523 states have call predecessors, (3575), 3557 states have call successors, (3575) [2022-12-14 09:05:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10567 states to 10567 states and 15233 transitions. [2022-12-14 09:05:25,360 INFO L78 Accepts]: Start accepts. Automaton has 10567 states and 15233 transitions. Word has length 481 [2022-12-14 09:05:25,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:05:25,361 INFO L495 AbstractCegarLoop]: Abstraction has 10567 states and 15233 transitions. [2022-12-14 09:05:25,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (53), 2 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 09:05:25,361 INFO L276 IsEmpty]: Start isEmpty. Operand 10567 states and 15233 transitions. [2022-12-14 09:05:25,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-12-14 09:05:25,389 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:05:25,389 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:05:25,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 09:05:25,389 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)] === [2022-12-14 09:05:25,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:05:25,390 INFO L85 PathProgramCache]: Analyzing trace with hash -540175660, now seen corresponding path program 1 times [2022-12-14 09:05:25,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:05:25,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304723847] [2022-12-14 09:05:25,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:05:25,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:05:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:05:25,741 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7656 trivial. 0 not checked. [2022-12-14 09:05:25,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:05:25,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304723847] [2022-12-14 09:05:25,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304723847] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:05:25,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:05:25,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:05:25,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737006369] [2022-12-14 09:05:25,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:05:25,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:05:25,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:05:25,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:05:25,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:05:25,743 INFO L87 Difference]: Start difference. First operand 10567 states and 15233 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 09:05:28,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:30,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:31,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:05:31,295 INFO L93 Difference]: Finished difference Result 28984 states and 41738 transitions. [2022-12-14 09:05:31,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:05:31,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 480 [2022-12-14 09:05:31,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:05:31,366 INFO L225 Difference]: With dead ends: 28984 [2022-12-14 09:05:31,366 INFO L226 Difference]: Without dead ends: 18506 [2022-12-14 09:05:31,392 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 [2022-12-14 09:05:31,392 INFO L413 NwaCegarLoop]: 4217 mSDtfsCounter, 3227 mSDsluCounter, 3380 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3231 SdHoareTripleChecker+Valid, 7597 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:05:31,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3231 Valid, 7597 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 841 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 09:05:31,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18506 states. [2022-12-14 09:05:31,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18506 to 18481. [2022-12-14 09:05:31,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18481 states, 10924 states have (on average 1.298333943610399) internal successors, (14183), 11285 states have internal predecessors, (14183), 6163 states have call successors, (6163), 1391 states have call predecessors, (6163), 1390 states have return successors, (6213), 6091 states have call predecessors, (6213), 6159 states have call successors, (6213) [2022-12-14 09:05:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18481 states to 18481 states and 26559 transitions. [2022-12-14 09:05:31,971 INFO L78 Accepts]: Start accepts. Automaton has 18481 states and 26559 transitions. Word has length 480 [2022-12-14 09:05:31,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:05:31,972 INFO L495 AbstractCegarLoop]: Abstraction has 18481 states and 26559 transitions. [2022-12-14 09:05:31,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 09:05:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand 18481 states and 26559 transitions. [2022-12-14 09:05:31,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-12-14 09:05:31,976 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:05:31,976 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:05:31,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 09:05:31,976 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)] === [2022-12-14 09:05:31,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:05:31,976 INFO L85 PathProgramCache]: Analyzing trace with hash -882886676, now seen corresponding path program 1 times [2022-12-14 09:05:31,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:05:31,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633814712] [2022-12-14 09:05:31,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:05:31,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:05:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:05:32,302 INFO L134 CoverageAnalysis]: Checked inductivity of 7660 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7660 trivial. 0 not checked. [2022-12-14 09:05:32,302 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:05:32,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633814712] [2022-12-14 09:05:32,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633814712] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:05:32,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:05:32,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:05:32,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439357934] [2022-12-14 09:05:32,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:05:32,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:05:32,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:05:32,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:05:32,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:05:32,304 INFO L87 Difference]: Start difference. First operand 18481 states and 26559 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 09:05:34,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:37,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:38,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:05:38,436 INFO L93 Difference]: Finished difference Result 50313 states and 72178 transitions. [2022-12-14 09:05:38,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:05:38,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 484 [2022-12-14 09:05:38,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:05:38,556 INFO L225 Difference]: With dead ends: 50313 [2022-12-14 09:05:38,556 INFO L226 Difference]: Without dead ends: 31921 [2022-12-14 09:05:38,608 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 [2022-12-14 09:05:38,608 INFO L413 NwaCegarLoop]: 4167 mSDtfsCounter, 2963 mSDsluCounter, 3401 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2965 SdHoareTripleChecker+Valid, 7568 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 09:05:38,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2965 Valid, 7568 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 818 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 09:05:38,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31921 states. [2022-12-14 09:05:39,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31921 to 31881. [2022-12-14 09:05:39,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31881 states, 18867 states have (on average 1.2974505750781788) internal successors, (24479), 19456 states have internal predecessors, (24479), 10548 states have call successors, (10548), 2463 states have call predecessors, (10548), 2462 states have return successors, (10636), 10401 states have call predecessors, (10636), 10544 states have call successors, (10636) [2022-12-14 09:05:39,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31881 states to 31881 states and 45663 transitions. [2022-12-14 09:05:39,733 INFO L78 Accepts]: Start accepts. Automaton has 31881 states and 45663 transitions. Word has length 484 [2022-12-14 09:05:39,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:05:39,734 INFO L495 AbstractCegarLoop]: Abstraction has 31881 states and 45663 transitions. [2022-12-14 09:05:39,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 09:05:39,734 INFO L276 IsEmpty]: Start isEmpty. Operand 31881 states and 45663 transitions. [2022-12-14 09:05:39,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2022-12-14 09:05:39,741 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:05:39,741 INFO L195 NwaCegarLoop]: trace histogram [45, 44, 44, 44, 44, 44, 44, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:05:39,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 09:05:39,741 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)] === [2022-12-14 09:05:39,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:05:39,742 INFO L85 PathProgramCache]: Analyzing trace with hash 964936014, now seen corresponding path program 1 times [2022-12-14 09:05:39,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:05:39,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641403871] [2022-12-14 09:05:39,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:05:39,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:05:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:05:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7658 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7658 trivial. 0 not checked. [2022-12-14 09:05:40,243 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:05:40,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641403871] [2022-12-14 09:05:40,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641403871] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:05:40,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:05:40,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:05:40,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710959618] [2022-12-14 09:05:40,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:05:40,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:05:40,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:05:40,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:05:40,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:05:40,245 INFO L87 Difference]: Start difference. First operand 31881 states and 45663 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-12-14 09:05:42,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:45,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:47,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:05:47,055 INFO L93 Difference]: Finished difference Result 85719 states and 122569 transitions. [2022-12-14 09:05:47,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:05:47,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 511 [2022-12-14 09:05:47,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:05:47,252 INFO L225 Difference]: With dead ends: 85719 [2022-12-14 09:05:47,252 INFO L226 Difference]: Without dead ends: 53927 [2022-12-14 09:05:47,382 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 [2022-12-14 09:05:47,382 INFO L413 NwaCegarLoop]: 5172 mSDtfsCounter, 3246 mSDsluCounter, 3384 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3250 SdHoareTripleChecker+Valid, 8556 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:05:47,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3250 Valid, 8556 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 948 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 09:05:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53927 states. [2022-12-14 09:05:48,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53927 to 53854. [2022-12-14 09:05:49,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53854 states, 32024 states have (on average 1.295590806894829) internal successors, (41490), 33065 states have internal predecessors, (41490), 17535 states have call successors, (17535), 4304 states have call predecessors, (17535), 4291 states have return successors, (17767), 17250 states have call predecessors, (17767), 17531 states have call successors, (17767) [2022-12-14 09:05:49,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53854 states to 53854 states and 76792 transitions. [2022-12-14 09:05:49,230 INFO L78 Accepts]: Start accepts. Automaton has 53854 states and 76792 transitions. Word has length 511 [2022-12-14 09:05:49,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:05:49,231 INFO L495 AbstractCegarLoop]: Abstraction has 53854 states and 76792 transitions. [2022-12-14 09:05:49,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-12-14 09:05:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 53854 states and 76792 transitions. [2022-12-14 09:05:49,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-12-14 09:05:49,235 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:05:49,235 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:05:49,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 09:05:49,236 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)] === [2022-12-14 09:05:49,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:05:49,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1289990125, now seen corresponding path program 1 times [2022-12-14 09:05:49,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:05:49,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509359808] [2022-12-14 09:05:49,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:05:49,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:05:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:05:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 7963 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7963 trivial. 0 not checked. [2022-12-14 09:05:49,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:05:49,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509359808] [2022-12-14 09:05:49,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509359808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:05:49,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:05:49,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:05:49,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808593561] [2022-12-14 09:05:49,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:05:49,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:05:49,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:05:49,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:05:49,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:05:49,999 INFO L87 Difference]: Start difference. First operand 53854 states and 76792 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 09:05:52,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:55,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:05:56,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:05:56,934 INFO L93 Difference]: Finished difference Result 55120 states and 78534 transitions. [2022-12-14 09:05:56,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:05:56,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 515 [2022-12-14 09:05:56,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:05:57,102 INFO L225 Difference]: With dead ends: 55120 [2022-12-14 09:05:57,102 INFO L226 Difference]: Without dead ends: 55118 [2022-12-14 09:05:57,118 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 [2022-12-14 09:05:57,119 INFO L413 NwaCegarLoop]: 4490 mSDtfsCounter, 3406 mSDsluCounter, 10788 mSDsCounter, 0 mSdLazyCounter, 1621 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3418 SdHoareTripleChecker+Valid, 15278 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1621 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:05:57,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3418 Valid, 15278 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1621 Invalid, 2 Unknown, 0 Unchecked, 5.7s Time] [2022-12-14 09:05:57,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55118 states. [2022-12-14 09:05:59,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55118 to 55111. [2022-12-14 09:05:59,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55111 states, 32738 states have (on average 1.2948866760339666) internal successors, (42392), 33806 states have internal predecessors, (42392), 17950 states have call successors, (17950), 4431 states have call predecessors, (17950), 4419 states have return successors, (18186), 17662 states have call predecessors, (18186), 17946 states have call successors, (18186) [2022-12-14 09:05:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55111 states to 55111 states and 78528 transitions. [2022-12-14 09:05:59,264 INFO L78 Accepts]: Start accepts. Automaton has 55111 states and 78528 transitions. Word has length 515 [2022-12-14 09:05:59,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:05:59,265 INFO L495 AbstractCegarLoop]: Abstraction has 55111 states and 78528 transitions. [2022-12-14 09:05:59,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 09:05:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 55111 states and 78528 transitions. [2022-12-14 09:05:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2022-12-14 09:05:59,270 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:05:59,270 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:05:59,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 09:05:59,271 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)] === [2022-12-14 09:05:59,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:05:59,271 INFO L85 PathProgramCache]: Analyzing trace with hash 22218329, now seen corresponding path program 1 times [2022-12-14 09:05:59,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:05:59,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004318843] [2022-12-14 09:05:59,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:05:59,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:05:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:05:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 7965 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7963 trivial. 0 not checked. [2022-12-14 09:05:59,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:05:59,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004318843] [2022-12-14 09:05:59,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004318843] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:05:59,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:05:59,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:05:59,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574871513] [2022-12-14 09:05:59,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:05:59,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:05:59,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:05:59,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:05:59,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:05:59,982 INFO L87 Difference]: Start difference. First operand 55111 states and 78528 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 09:06:02,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:06,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:08,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:06:08,418 INFO L93 Difference]: Finished difference Result 97635 states and 138580 transitions. [2022-12-14 09:06:08,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:06:08,418 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 520 [2022-12-14 09:06:08,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:06:08,716 INFO L225 Difference]: With dead ends: 97635 [2022-12-14 09:06:08,716 INFO L226 Difference]: Without dead ends: 97633 [2022-12-14 09:06:08,747 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 [2022-12-14 09:06:08,747 INFO L413 NwaCegarLoop]: 4570 mSDtfsCounter, 2975 mSDsluCounter, 12188 mSDsCounter, 0 mSdLazyCounter, 1773 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2984 SdHoareTripleChecker+Valid, 16758 SdHoareTripleChecker+Invalid, 1778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1773 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 09:06:08,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2984 Valid, 16758 Invalid, 1778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1773 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 09:06:08,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97633 states. [2022-12-14 09:06:11,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97633 to 97597. [2022-12-14 09:06:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97597 states, 58163 states have (on average 1.2936059006584941) internal successors, (75240), 60163 states have internal predecessors, (75240), 31251 states have call successors, (31251), 8262 states have call predecessors, (31251), 8179 states have return successors, (32054), 30498 states have call predecessors, (32054), 31243 states have call successors, (32054) [2022-12-14 09:06:12,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97597 states to 97597 states and 138545 transitions. [2022-12-14 09:06:12,237 INFO L78 Accepts]: Start accepts. Automaton has 97597 states and 138545 transitions. Word has length 520 [2022-12-14 09:06:12,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:06:12,237 INFO L495 AbstractCegarLoop]: Abstraction has 97597 states and 138545 transitions. [2022-12-14 09:06:12,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 09:06:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 97597 states and 138545 transitions. [2022-12-14 09:06:12,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2022-12-14 09:06:12,243 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:06:12,243 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:06:12,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 09:06:12,243 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)] === [2022-12-14 09:06:12,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:06:12,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1164461472, now seen corresponding path program 1 times [2022-12-14 09:06:12,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:06:12,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162167286] [2022-12-14 09:06:12,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:06:12,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:06:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:06:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 8070 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8066 trivial. 0 not checked. [2022-12-14 09:06:12,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:06:12,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162167286] [2022-12-14 09:06:12,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162167286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:06:12,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:06:12,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:06:12,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059770621] [2022-12-14 09:06:12,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:06:12,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:06:12,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:06:12,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:06:12,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:06:12,794 INFO L87 Difference]: Start difference. First operand 97597 states and 138545 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 09:06:15,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:19,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:21,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:23,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:26,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:28,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:06:28,351 INFO L93 Difference]: Finished difference Result 97616 states and 138559 transitions. [2022-12-14 09:06:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:06:28,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 534 [2022-12-14 09:06:28,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:06:28,629 INFO L225 Difference]: With dead ends: 97616 [2022-12-14 09:06:28,629 INFO L226 Difference]: Without dead ends: 97614 [2022-12-14 09:06:28,660 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 [2022-12-14 09:06:28,660 INFO L413 NwaCegarLoop]: 4374 mSDtfsCounter, 3401 mSDsluCounter, 10550 mSDsCounter, 0 mSdLazyCounter, 1591 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3409 SdHoareTripleChecker+Valid, 14924 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1591 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:06:28,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3409 Valid, 14924 Invalid, 1596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1591 Invalid, 4 Unknown, 0 Unchecked, 12.5s Time] [2022-12-14 09:06:28,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97614 states. [2022-12-14 09:06:31,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97614 to 97608. [2022-12-14 09:06:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97608 states, 58171 states have (on average 1.2935655223393099) internal successors, (75248), 60171 states have internal predecessors, (75248), 31251 states have call successors, (31251), 8264 states have call predecessors, (31251), 8182 states have return successors, (32054), 30499 states have call predecessors, (32054), 31243 states have call successors, (32054) [2022-12-14 09:06:32,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97608 states to 97608 states and 138553 transitions. [2022-12-14 09:06:32,398 INFO L78 Accepts]: Start accepts. Automaton has 97608 states and 138553 transitions. Word has length 534 [2022-12-14 09:06:32,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:06:32,399 INFO L495 AbstractCegarLoop]: Abstraction has 97608 states and 138553 transitions. [2022-12-14 09:06:32,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-12-14 09:06:32,399 INFO L276 IsEmpty]: Start isEmpty. Operand 97608 states and 138553 transitions. [2022-12-14 09:06:32,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2022-12-14 09:06:32,405 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:06:32,405 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:06:32,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 09:06:32,405 INFO L420 AbstractCegarLoop]: === Iteration 10 === 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)] === [2022-12-14 09:06:32,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:06:32,406 INFO L85 PathProgramCache]: Analyzing trace with hash 518128281, now seen corresponding path program 1 times [2022-12-14 09:06:32,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:06:32,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753043141] [2022-12-14 09:06:32,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:06:32,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:06:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:06:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 7981 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7975 trivial. 0 not checked. [2022-12-14 09:06:32,893 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:06:32,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753043141] [2022-12-14 09:06:32,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753043141] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:06:32,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:06:32,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:06:32,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779837042] [2022-12-14 09:06:32,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:06:32,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:06:32,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:06:32,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:06:32,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:06:32,896 INFO L87 Difference]: Start difference. First operand 97608 states and 138553 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 09:06:35,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:39,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:41,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:06:41,766 INFO L93 Difference]: Finished difference Result 97624 states and 138565 transitions. [2022-12-14 09:06:41,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:06:41,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 530 [2022-12-14 09:06:41,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:06:42,054 INFO L225 Difference]: With dead ends: 97624 [2022-12-14 09:06:42,054 INFO L226 Difference]: Without dead ends: 97622 [2022-12-14 09:06:42,090 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 [2022-12-14 09:06:42,091 INFO L413 NwaCegarLoop]: 4372 mSDtfsCounter, 3401 mSDsluCounter, 10546 mSDsCounter, 0 mSdLazyCounter, 1588 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3410 SdHoareTripleChecker+Valid, 14918 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1588 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:06:42,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3410 Valid, 14918 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1588 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 09:06:42,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97622 states. [2022-12-14 09:06:45,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97622 to 97616. [2022-12-14 09:06:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97616 states, 58177 states have (on average 1.29353524588755) internal successors, (75254), 60177 states have internal predecessors, (75254), 31251 states have call successors, (31251), 8266 states have call predecessors, (31251), 8184 states have return successors, (32054), 30499 states have call predecessors, (32054), 31243 states have call successors, (32054) [2022-12-14 09:06:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97616 states to 97616 states and 138559 transitions. [2022-12-14 09:06:46,168 INFO L78 Accepts]: Start accepts. Automaton has 97616 states and 138559 transitions. Word has length 530 [2022-12-14 09:06:46,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:06:46,168 INFO L495 AbstractCegarLoop]: Abstraction has 97616 states and 138559 transitions. [2022-12-14 09:06:46,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 09:06:46,168 INFO L276 IsEmpty]: Start isEmpty. Operand 97616 states and 138559 transitions. [2022-12-14 09:06:46,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2022-12-14 09:06:46,175 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:06:46,176 INFO L195 NwaCegarLoop]: trace histogram [48, 44, 44, 44, 44, 44, 44, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:06:46,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 09:06:46,176 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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)] === [2022-12-14 09:06:46,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:06:46,176 INFO L85 PathProgramCache]: Analyzing trace with hash -783235475, now seen corresponding path program 1 times [2022-12-14 09:06:46,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:06:46,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602475726] [2022-12-14 09:06:46,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:06:46,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:06:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:06:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7995 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7987 trivial. 0 not checked. [2022-12-14 09:06:46,654 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:06:46,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602475726] [2022-12-14 09:06:46,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602475726] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:06:46,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:06:46,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:06:46,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700954098] [2022-12-14 09:06:46,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:06:46,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:06:46,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:06:46,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:06:46,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:06:46,656 INFO L87 Difference]: Start difference. First operand 97616 states and 138559 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-12-14 09:06:49,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:53,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:06:58,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:06:58,943 INFO L93 Difference]: Finished difference Result 185462 states and 263724 transitions. [2022-12-14 09:06:58,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:06:58,943 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 535 [2022-12-14 09:06:58,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:06:59,549 INFO L225 Difference]: With dead ends: 185462 [2022-12-14 09:06:59,549 INFO L226 Difference]: Without dead ends: 185460 [2022-12-14 09:06:59,607 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 [2022-12-14 09:06:59,607 INFO L413 NwaCegarLoop]: 4727 mSDtfsCounter, 3427 mSDsluCounter, 12408 mSDsCounter, 0 mSdLazyCounter, 1826 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3433 SdHoareTripleChecker+Valid, 17135 SdHoareTripleChecker+Invalid, 1831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1826 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:06:59,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3433 Valid, 17135 Invalid, 1831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1826 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-12-14 09:06:59,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185460 states. [2022-12-14 09:07:07,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185460 to 185312. [2022-12-14 09:07:07,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185312 states, 110753 states have (on average 1.2924616037488827) internal successors, (143144), 114877 states have internal predecessors, (143144), 58834 states have call successors, (58834), 16142 states have call predecessors, (58834), 15721 states have return successors, (61599), 56759 states have call predecessors, (61599), 58818 states have call successors, (61599) [2022-12-14 09:07:08,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185312 states to 185312 states and 263577 transitions. [2022-12-14 09:07:08,587 INFO L78 Accepts]: Start accepts. Automaton has 185312 states and 263577 transitions. Word has length 535 [2022-12-14 09:07:08,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:08,588 INFO L495 AbstractCegarLoop]: Abstraction has 185312 states and 263577 transitions. [2022-12-14 09:07:08,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-12-14 09:07:08,588 INFO L276 IsEmpty]: Start isEmpty. Operand 185312 states and 263577 transitions. [2022-12-14 09:07:08,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2022-12-14 09:07:08,597 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:08,598 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:07:08,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 09:07:08,598 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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)] === [2022-12-14 09:07:08,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:08,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1357791072, now seen corresponding path program 1 times [2022-12-14 09:07:08,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:08,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389961763] [2022-12-14 09:07:08,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:08,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 8113 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8103 trivial. 0 not checked. [2022-12-14 09:07:09,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:09,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389961763] [2022-12-14 09:07:09,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389961763] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:09,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:09,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:07:09,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792096525] [2022-12-14 09:07:09,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:09,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:07:09,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:09,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:07:09,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:07:09,059 INFO L87 Difference]: Start difference. First operand 185312 states and 263577 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-12-14 09:07:11,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:07:16,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:07:18,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:07:21,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:07:30,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:07:30,203 INFO L93 Difference]: Finished difference Result 336078 states and 478804 transitions. [2022-12-14 09:07:30,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 09:07:30,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) Word has length 550 [2022-12-14 09:07:30,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:07:31,401 INFO L225 Difference]: With dead ends: 336078 [2022-12-14 09:07:31,401 INFO L226 Difference]: Without dead ends: 336076 [2022-12-14 09:07:31,518 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 [2022-12-14 09:07:31,519 INFO L413 NwaCegarLoop]: 4622 mSDtfsCounter, 3245 mSDsluCounter, 11978 mSDsCounter, 0 mSdLazyCounter, 1816 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3248 SdHoareTripleChecker+Valid, 16600 SdHoareTripleChecker+Invalid, 1822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1816 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-14 09:07:31,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3248 Valid, 16600 Invalid, 1822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1816 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2022-12-14 09:07:31,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336076 states. [2022-12-14 09:07:45,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336076 to 335945. [2022-12-14 09:07:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335945 states, 202257 states have (on average 1.292721636333971) internal successors, (261462), 209503 states have internal predecessors, (261462), 104832 states have call successors, (104832), 29683 states have call predecessors, (104832), 28852 states have return successors, (112377), 100584 states have call predecessors, (112377), 104800 states have call successors, (112377) [2022-12-14 09:07:48,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335945 states to 335945 states and 478671 transitions. [2022-12-14 09:07:48,045 INFO L78 Accepts]: Start accepts. Automaton has 335945 states and 478671 transitions. Word has length 550 [2022-12-14 09:07:48,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:07:48,045 INFO L495 AbstractCegarLoop]: Abstraction has 335945 states and 478671 transitions. [2022-12-14 09:07:48,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (64), 3 states have call predecessors, (64), 1 states have return successors, (62), 2 states have call predecessors, (62), 2 states have call successors, (62) [2022-12-14 09:07:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 335945 states and 478671 transitions. [2022-12-14 09:07:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2022-12-14 09:07:48,055 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:07:48,055 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:07:48,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 09:07:48,056 INFO L420 AbstractCegarLoop]: === Iteration 13 === 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)] === [2022-12-14 09:07:48,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:07:48,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1697520847, now seen corresponding path program 1 times [2022-12-14 09:07:48,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:07:48,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161371160] [2022-12-14 09:07:48,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:07:48,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:07:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:07:48,365 INFO L134 CoverageAnalysis]: Checked inductivity of 8049 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8046 trivial. 0 not checked. [2022-12-14 09:07:48,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:07:48,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161371160] [2022-12-14 09:07:48,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161371160] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:07:48,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:07:48,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:07:48,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452352115] [2022-12-14 09:07:48,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:07:48,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:07:48,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:07:48,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:07:48,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:07:48,367 INFO L87 Difference]: Start difference. First operand 335945 states and 478671 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2022-12-14 09:07:52,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:07:54,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:08:14,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:08:14,584 INFO L93 Difference]: Finished difference Result 819913 states and 1167622 transitions. [2022-12-14 09:08:14,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:08:14,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 542 [2022-12-14 09:08:14,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:08:16,716 INFO L225 Difference]: With dead ends: 819913 [2022-12-14 09:08:16,716 INFO L226 Difference]: Without dead ends: 484197 [2022-12-14 09:08:17,700 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 [2022-12-14 09:08:17,701 INFO L413 NwaCegarLoop]: 6187 mSDtfsCounter, 3094 mSDsluCounter, 3374 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3096 SdHoareTripleChecker+Valid, 9561 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 09:08:17,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3096 Valid, 9561 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1154 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 09:08:18,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484197 states. [2022-12-14 09:08:38,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484197 to 483915. [2022-12-14 09:08:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483915 states, 291468 states have (on average 1.2909170131884118) internal successors, (376261), 302110 states have internal predecessors, (376261), 150552 states have call successors, (150552), 43158 states have call predecessors, (150552), 41891 states have return successors, (160977), 144244 states have call predecessors, (160977), 150520 states have call successors, (160977) [2022-12-14 09:08:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483915 states to 483915 states and 687790 transitions. [2022-12-14 09:08:42,497 INFO L78 Accepts]: Start accepts. Automaton has 483915 states and 687790 transitions. Word has length 542 [2022-12-14 09:08:42,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:08:42,498 INFO L495 AbstractCegarLoop]: Abstraction has 483915 states and 687790 transitions. [2022-12-14 09:08:42,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2022-12-14 09:08:42,498 INFO L276 IsEmpty]: Start isEmpty. Operand 483915 states and 687790 transitions. [2022-12-14 09:08:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2022-12-14 09:08:42,506 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:08:42,506 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:08:42,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 09:08:42,507 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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)] === [2022-12-14 09:08:42,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:08:42,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1001843742, now seen corresponding path program 1 times [2022-12-14 09:08:42,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:08:42,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568076646] [2022-12-14 09:08:42,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:08:42,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:08:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:08:42,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8049 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8046 trivial. 0 not checked. [2022-12-14 09:08:42,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:08:42,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568076646] [2022-12-14 09:08:42,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568076646] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:08:42,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:08:42,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:08:42,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801137460] [2022-12-14 09:08:42,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:08:42,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:08:42,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:08:42,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:08:42,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:08:42,803 INFO L87 Difference]: Start difference. First operand 483915 states and 687790 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2022-12-14 09:08:46,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:08:48,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:09:18,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:09:18,110 INFO L93 Difference]: Finished difference Result 1166261 states and 1657210 transitions. [2022-12-14 09:09:18,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:09:18,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) Word has length 542 [2022-12-14 09:09:18,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:09:21,374 INFO L225 Difference]: With dead ends: 1166261 [2022-12-14 09:09:21,375 INFO L226 Difference]: Without dead ends: 682575 [2022-12-14 09:09:23,112 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 [2022-12-14 09:09:23,112 INFO L413 NwaCegarLoop]: 6306 mSDtfsCounter, 3221 mSDsluCounter, 3373 mSDsCounter, 0 mSdLazyCounter, 1171 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3225 SdHoareTripleChecker+Valid, 9679 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1171 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 09:09:23,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3225 Valid, 9679 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1171 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 09:09:23,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682575 states. [2022-12-14 09:09:53,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682575 to 682293. [2022-12-14 09:09:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682293 states, 411713 states have (on average 1.2899034035845358) internal successors, (531070), 426831 states have internal predecessors, (531070), 210922 states have call successors, (210922), 61609 states have call predecessors, (210922), 59654 states have return successors, (225691), 201734 states have call predecessors, (225691), 210890 states have call successors, (225691) [2022-12-14 09:09:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682293 states to 682293 states and 967683 transitions. [2022-12-14 09:09:57,863 INFO L78 Accepts]: Start accepts. Automaton has 682293 states and 967683 transitions. Word has length 542 [2022-12-14 09:09:57,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:09:57,864 INFO L495 AbstractCegarLoop]: Abstraction has 682293 states and 967683 transitions. [2022-12-14 09:09:57,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (58), 3 states have call predecessors, (58), 3 states have call successors, (58) [2022-12-14 09:09:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 682293 states and 967683 transitions. [2022-12-14 09:09:57,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2022-12-14 09:09:57,873 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:09:57,873 INFO L195 NwaCegarLoop]: trace histogram [49, 44, 44, 44, 44, 44, 44, 7, 6, 6, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 09:09:57,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 09:09:57,873 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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)] === [2022-12-14 09:09:57,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:09:57,874 INFO L85 PathProgramCache]: Analyzing trace with hash 473162912, now seen corresponding path program 1 times [2022-12-14 09:09:57,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:09:57,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715438087] [2022-12-14 09:09:57,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:09:57,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:09:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:09:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 8134 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8122 trivial. 0 not checked. [2022-12-14 09:09:58,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:09:58,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715438087] [2022-12-14 09:09:58,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715438087] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:09:58,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:09:58,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:09:58,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101134317] [2022-12-14 09:09:58,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:09:58,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:09:58,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:09:58,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:09:58,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:09:58,370 INFO L87 Difference]: Start difference. First operand 682293 states and 967683 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (65), 3 states have call predecessors, (65), 1 states have return successors, (63), 2 states have call predecessors, (63), 2 states have call successors, (63) [2022-12-14 09:10:02,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 09:10:04,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []