./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.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_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/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_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/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_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/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 f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- 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 03:12:11,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 03:12:11,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 03:12:11,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 03:12:11,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 03:12:11,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 03:12:11,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 03:12:11,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 03:12:11,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 03:12:11,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 03:12:11,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 03:12:11,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 03:12:11,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 03:12:11,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 03:12:11,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 03:12:11,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 03:12:11,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 03:12:11,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 03:12:11,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 03:12:11,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 03:12:11,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 03:12:11,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 03:12:11,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 03:12:11,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 03:12:11,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 03:12:11,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 03:12:11,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 03:12:11,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 03:12:11,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 03:12:11,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 03:12:11,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 03:12:11,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 03:12:11,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 03:12:11,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 03:12:11,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 03:12:11,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 03:12:11,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 03:12:11,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 03:12:11,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 03:12:11,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 03:12:11,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 03:12:11,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 03:12:11,701 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 03:12:11,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 03:12:11,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 03:12:11,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 03:12:11,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 03:12:11,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 03:12:11,703 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 03:12:11,703 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 03:12:11,703 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 03:12:11,703 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 03:12:11,704 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 03:12:11,704 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 03:12:11,704 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 03:12:11,704 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 03:12:11,704 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 03:12:11,705 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 03:12:11,705 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 03:12:11,705 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 03:12:11,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 03:12:11,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 03:12:11,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 03:12:11,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 03:12:11,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 03:12:11,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 03:12:11,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 03:12:11,707 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 03:12:11,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 03:12:11,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 03:12:11,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 03:12:11,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:12:11,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 03:12:11,708 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 03:12:11,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 03:12:11,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 03:12:11,708 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 03:12:11,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 03:12:11,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 03:12:11,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 03:12:11,709 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_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2022-12-14 03:12:11,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 03:12:11,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 03:12:11,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 03:12:11,923 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 03:12:11,923 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 03:12:11,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-12-14 03:12:14,539 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 03:12:14,914 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 03:12:14,914 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-12-14 03:12:14,938 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/data/94e0b8c12/d5093f05746940dba623e494b0cd31fa/FLAG35eccc6c8 [2022-12-14 03:12:14,949 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/data/94e0b8c12/d5093f05746940dba623e494b0cd31fa [2022-12-14 03:12:14,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 03:12:14,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 03:12:14,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 03:12:14,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 03:12:14,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 03:12:14,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:12:14" (1/1) ... [2022-12-14 03:12:14,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72359e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:14, skipping insertion in model container [2022-12-14 03:12:14,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:12:14" (1/1) ... [2022-12-14 03:12:14,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 03:12:15,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 03:12:15,474 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 03:12:15,484 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 03:12:15,500 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 03:12:15,640 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 03:12:15,665 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 03:12:15,668 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 03:12:15,671 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 03:12:15,718 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-14 03:12:15,727 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 03:12:15,731 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 03:12:15,737 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:15,737 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:15,738 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 03:12:15,738 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:15,742 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:15,742 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:15,743 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:15,747 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:15,747 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:15,747 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:15,767 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:15,824 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:15,824 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 03:12:15,825 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 03:12:15,826 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 03:12:15,829 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:15,829 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 03:12:15,833 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:15,838 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:15,953 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:15,960 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 03:12:15,965 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 03:12:15,968 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 03:12:15,976 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 03:12:15,976 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:15,976 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 03:12:15,978 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:15,979 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 03:12:15,991 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-14 03:12:15,992 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 03:12:15,993 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 03:12:15,993 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 03:12:15,996 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:15,996 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:15,996 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-14 03:12:16,000 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,000 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,001 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,001 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,013 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:16,013 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 03:12:16,015 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:16,020 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-14 03:12:16,028 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-14 03:12:16,029 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 03:12:16,029 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 03:12:16,030 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 03:12:16,031 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 03:12:16,035 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:16,036 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,037 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,037 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:16,038 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,039 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:16,039 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,040 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,040 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:16,040 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,041 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,041 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:16,042 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 03:12:16,042 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 03:12:16,061 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,061 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:16,061 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,065 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,066 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:16,066 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,073 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,073 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,074 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,074 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:16,074 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,075 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,079 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,084 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:16,086 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:16,087 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:16,087 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:16,088 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:16,089 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:16,090 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,093 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,094 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:16,095 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:16,096 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:16,096 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,104 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 03:12:16,105 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-14 03:12:16,105 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 03:12:16,111 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,115 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:16,116 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,120 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:16,121 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,122 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,126 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,126 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,136 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,137 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,138 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,138 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,139 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,140 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,141 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,142 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,142 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-14 03:12:16,143 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,143 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,144 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,145 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,146 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,146 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,148 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,149 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,151 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:16,152 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,152 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,153 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,154 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,154 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:16,155 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,156 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,157 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,157 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,159 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,159 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,160 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,160 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,162 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,162 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,163 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,164 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,165 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,165 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,167 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,167 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,169 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:16,170 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,171 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,171 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:16,172 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,172 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,173 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:16,173 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,174 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,174 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,179 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,180 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,182 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,183 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,183 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,183 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,188 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:16,189 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,189 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,190 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,191 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,191 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,192 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,194 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,194 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,195 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,195 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,196 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:16,197 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,197 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,199 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,199 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,202 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 03:12:16,203 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 03:12:16,204 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 03:12:16,205 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:16,205 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 03:12:16,205 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,206 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,206 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,206 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,207 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 03:12:16,207 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,207 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,207 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,208 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,208 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,208 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,208 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,208 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,209 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,209 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,209 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,209 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,209 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,210 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,210 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,317 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:16,357 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,360 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,360 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,361 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,361 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,364 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,368 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:16,373 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,374 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,379 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,382 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,382 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-14 03:12:16,383 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,383 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,384 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-14 03:12:16,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,385 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,403 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,410 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,411 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:16,411 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,415 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,416 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:16,416 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,456 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,456 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,456 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,461 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-12-14 03:12:16,462 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,467 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 03:12:16,467 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-12-14 03:12:16,468 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-12-14 03:12:16,468 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,478 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,479 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:16,479 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,481 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,481 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,486 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,487 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,508 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 03:12:16,512 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 03:12:16,531 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:16,532 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:16,532 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 03:12:16,532 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:16,533 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:16,533 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:16,533 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:16,534 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,534 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,534 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,535 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,535 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,535 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,535 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,536 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,536 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,536 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 03:12:16,537 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,537 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,537 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,537 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,538 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,538 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,538 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,538 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,539 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,539 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,539 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,539 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,540 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,540 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,540 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,540 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,541 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,541 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,541 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,541 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,542 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,542 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,542 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,542 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,543 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,543 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,547 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_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-12-14 03:12:16,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:12:16,665 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 03:12:16,768 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 03:12:16,769 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 03:12:16,770 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 03:12:16,772 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 03:12:16,774 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 03:12:16,774 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 03:12:16,774 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 03:12:16,776 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-14 03:12:16,776 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 03:12:16,776 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 03:12:16,777 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,777 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:16,777 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 03:12:16,778 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:16,778 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,778 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:16,779 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,779 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,779 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:16,780 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,781 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:16,784 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,784 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 03:12:16,784 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 03:12:16,785 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 03:12:16,785 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,785 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 03:12:16,786 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,787 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,791 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,792 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 03:12:16,793 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 03:12:16,799 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 03:12:16,800 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 03:12:16,801 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:16,801 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 03:12:16,804 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:16,805 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 03:12:16,809 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-14 03:12:16,810 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 03:12:16,810 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 03:12:16,811 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 03:12:16,812 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:16,812 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:16,812 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-14 03:12:16,813 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,814 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,814 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,814 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,818 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:16,819 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 03:12:16,822 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:16,824 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-14 03:12:16,826 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-14 03:12:16,826 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 03:12:16,827 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 03:12:16,827 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 03:12:16,828 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 03:12:16,833 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:16,834 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,834 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,835 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:16,835 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,836 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:16,836 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,836 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,837 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:16,837 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,837 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,838 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:16,838 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 03:12:16,838 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 03:12:16,843 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,843 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:16,843 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,844 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,845 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:16,845 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,854 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,854 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,854 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,855 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:16,855 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,855 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,856 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,882 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:16,883 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:16,883 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:16,884 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:16,885 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:16,885 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:16,886 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,889 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,889 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:16,890 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:16,891 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:16,891 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:16,893 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 03:12:16,894 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-14 03:12:16,894 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 03:12:16,896 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,897 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:16,898 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,898 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:16,899 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,900 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,901 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,901 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:16,905 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,905 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,907 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,907 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,908 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,908 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,910 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,910 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,910 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-14 03:12:16,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,912 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,913 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,913 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,915 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,915 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,917 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,917 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,920 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:16,921 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,921 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,922 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,923 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,923 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:16,924 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,925 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,926 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,927 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,928 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,929 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,929 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,930 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,931 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,932 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,932 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,933 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,933 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,935 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,935 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,938 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:16,939 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,939 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,940 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:16,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,941 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,941 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:16,942 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,942 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,943 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,945 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,946 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,948 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,949 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,949 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,950 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,951 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:16,952 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,952 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,953 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:16,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,954 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,955 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,957 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,957 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,958 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,959 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,959 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:16,960 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,960 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,962 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,962 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,963 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 03:12:16,963 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 03:12:16,965 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 03:12:16,966 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:16,966 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 03:12:16,966 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:16,967 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,968 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,968 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,968 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 03:12:16,968 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,969 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,969 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,969 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,969 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,969 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,970 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,970 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,970 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,970 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,970 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,970 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,971 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,971 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:16,971 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:16,973 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:16,986 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:16,989 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,989 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,990 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,991 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:16,994 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:16,996 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:17,000 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:17,000 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:17,004 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:17,007 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:17,008 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-14 03:12:17,009 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:17,009 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:17,009 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-14 03:12:17,010 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:17,010 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:17,023 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:17,023 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:17,024 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:17,024 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:17,025 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:17,025 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:17,025 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:17,026 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:17,027 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:17,027 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:17,027 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-12-14 03:12:17,029 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:17,030 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 03:12:17,030 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-12-14 03:12:17,030 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-12-14 03:12:17,030 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:17,032 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:17,032 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:17,033 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:17,034 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:17,034 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:17,035 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:17,035 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:17,040 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 03:12:17,040 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 03:12:17,041 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:17,041 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:17,041 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 03:12:17,041 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:17,042 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:17,042 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:17,042 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:17,042 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,043 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,043 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,043 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,043 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,043 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,043 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,044 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,044 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,044 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 03:12:17,044 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,044 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,045 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,045 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,045 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,045 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,045 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,045 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,046 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,046 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,046 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,046 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,046 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,046 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,047 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,047 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,047 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,047 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,047 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,047 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,048 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,048 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,048 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,048 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,048 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:17,048 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:17,049 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_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-12-14 03:12:17,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:12:17,145 INFO L208 MainTranslator]: Completed translation [2022-12-14 03:12:17,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17 WrapperNode [2022-12-14 03:12:17,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 03:12:17,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 03:12:17,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 03:12:17,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 03:12:17,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17" (1/1) ... [2022-12-14 03:12:17,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17" (1/1) ... [2022-12-14 03:12:17,356 INFO L138 Inliner]: procedures = 335, calls = 2629, calls flagged for inlining = 138, calls inlined = 130, statements flattened = 6646 [2022-12-14 03:12:17,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 03:12:17,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 03:12:17,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 03:12:17,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 03:12:17,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17" (1/1) ... [2022-12-14 03:12:17,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17" (1/1) ... [2022-12-14 03:12:17,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17" (1/1) ... [2022-12-14 03:12:17,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17" (1/1) ... [2022-12-14 03:12:17,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17" (1/1) ... [2022-12-14 03:12:17,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17" (1/1) ... [2022-12-14 03:12:17,586 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17" (1/1) ... [2022-12-14 03:12:17,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17" (1/1) ... [2022-12-14 03:12:17,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 03:12:17,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 03:12:17,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 03:12:17,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 03:12:17,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17" (1/1) ... [2022-12-14 03:12:17,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:12:17,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:12:17,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 03:12:17,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 03:12:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2022-12-14 03:12:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2022-12-14 03:12:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2022-12-14 03:12:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2022-12-14 03:12:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2022-12-14 03:12:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2022-12-14 03:12:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-12-14 03:12:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-12-14 03:12:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-14 03:12:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-14 03:12:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-12-14 03:12:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-12-14 03:12:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 03:12:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-12-14 03:12:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-12-14 03:12:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 03:12:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-12-14 03:12:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-12-14 03:12:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2022-12-14 03:12:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2022-12-14 03:12:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-12-14 03:12:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-12-14 03:12:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2022-12-14 03:12:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2022-12-14 03:12:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-12-14 03:12:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-12-14 03:12:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 03:12:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 03:12:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 03:12:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 03:12:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-12-14 03:12:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-12-14 03:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 03:12:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 03:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-12-14 03:12:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-12-14 03:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 03:12:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 03:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 03:12:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 03:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-12-14 03:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 03:12:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 03:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2022-12-14 03:12:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2022-12-14 03:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2022-12-14 03:12:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2022-12-14 03:12:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-12-14 03:12:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-12-14 03:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2022-12-14 03:12:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2022-12-14 03:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2022-12-14 03:12:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2022-12-14 03:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2022-12-14 03:12:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2022-12-14 03:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 03:12:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 03:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 03:12:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 03:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 03:12:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 03:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-12-14 03:12:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-12-14 03:12:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2022-12-14 03:12:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2022-12-14 03:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 03:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 03:12:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 03:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-12-14 03:12:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-12-14 03:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2022-12-14 03:12:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2022-12-14 03:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 03:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 03:12:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 03:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-12-14 03:12:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-12-14 03:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2022-12-14 03:12:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2022-12-14 03:12:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 03:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 03:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-12-14 03:12:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-12-14 03:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2022-12-14 03:12:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2022-12-14 03:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 03:12:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 03:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2022-12-14 03:12:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2022-12-14 03:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2022-12-14 03:12:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2022-12-14 03:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-14 03:12:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-14 03:12:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-14 03:12:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-14 03:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 03:12:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 03:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-12-14 03:12:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-12-14 03:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 03:12:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 03:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-12-14 03:12:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-12-14 03:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2022-12-14 03:12:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2022-12-14 03:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2022-12-14 03:12:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2022-12-14 03:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-12-14 03:12:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-12-14 03:12:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-14 03:12:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-14 03:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 03:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 03:12:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 03:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-12-14 03:12:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-12-14 03:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 03:12:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 03:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 03:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-12-14 03:12:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-12-14 03:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 03:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-12-14 03:12:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-12-14 03:12:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-12-14 03:12:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-12-14 03:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2022-12-14 03:12:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2022-12-14 03:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-12-14 03:12:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-12-14 03:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 03:12:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 03:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-12-14 03:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2022-12-14 03:12:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2022-12-14 03:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 03:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 03:12:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 03:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-12-14 03:12:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-12-14 03:12:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-12-14 03:12:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-12-14 03:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-12-14 03:12:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-12-14 03:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-12-14 03:12:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-12-14 03:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2022-12-14 03:12:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2022-12-14 03:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2022-12-14 03:12:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2022-12-14 03:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-12-14 03:12:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-12-14 03:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-14 03:12:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-14 03:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-14 03:12:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-14 03:12:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 03:12:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 03:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2022-12-14 03:12:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2022-12-14 03:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-12-14 03:12:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-12-14 03:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 03:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-12-14 03:12:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-12-14 03:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 03:12:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 03:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2022-12-14 03:12:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2022-12-14 03:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 03:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-12-14 03:12:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-12-14 03:12:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2022-12-14 03:12:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2022-12-14 03:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-12-14 03:12:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-12-14 03:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 03:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-14 03:12:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-14 03:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 03:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-12-14 03:12:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-12-14 03:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 03:12:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 03:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-12-14 03:12:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-12-14 03:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-14 03:12:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-14 03:12:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-14 03:12:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-14 03:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-12-14 03:12:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-12-14 03:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 03:12:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 03:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2022-12-14 03:12:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2022-12-14 03:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 03:12:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 03:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-12-14 03:12:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-12-14 03:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-14 03:12:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-14 03:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 03:12:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 03:12:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-12-14 03:12:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-12-14 03:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2022-12-14 03:12:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2022-12-14 03:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-12-14 03:12:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-12-14 03:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-12-14 03:12:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-12-14 03:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-12-14 03:12:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-12-14 03:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 03:12:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 03:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-12-14 03:12:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-12-14 03:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 03:12:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 03:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 03:12:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 03:12:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-12-14 03:12:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-12-14 03:12:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 03:12:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2022-12-14 03:12:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2022-12-14 03:12:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2022-12-14 03:12:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2022-12-14 03:12:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 03:12:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 03:12:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 03:12:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 03:12:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 03:12:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 03:12:18,287 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 03:12:18,289 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 03:12:22,370 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: SUMMARY for call __copy_to_user_#t~ret139#1 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-12-14 03:12:22,370 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857-1: assume -9223372036854775808 <= __copy_to_user_#t~ret139#1 && __copy_to_user_#t~ret139#1 <= 9223372036854775807;__copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret139#1;havoc __copy_to_user_#t~ret139#1; [2022-12-14 03:12:22,371 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: SUMMARY for call __copy_to_user_#t~ret138#1 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-12-14 03:12:22,371 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845-1: assume -9223372036854775808 <= __copy_to_user_#t~ret138#1 && __copy_to_user_#t~ret138#1 <= 9223372036854775807;__copy_to_user_~tmp___0~6#1 := __copy_to_user_#t~ret138#1;havoc __copy_to_user_#t~ret138#1; [2022-12-14 03:12:22,371 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch137#1; [2022-12-14 03:12:22,371 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch137#1; [2022-12-14 03:12:22,371 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:12:22,371 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:12:22,371 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch137#1; [2022-12-14 03:12:22,371 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := true; [2022-12-14 03:12:22,371 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch137#1; [2022-12-14 03:12:22,371 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0 != __copy_to_user_~tmp___0~6#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:12:22,371 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0 != __copy_to_user_~tmp___0~6#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:12:22,371 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch137#1; [2022-12-14 03:12:22,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 16 == __copy_to_user_~size#1; [2022-12-14 03:12:22,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:12:22,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 10 == __copy_to_user_~size#1; [2022-12-14 03:12:22,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867: SUMMARY for call __copy_to_user_#t~ret140#1 := copy_user_generic(__copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1); srcloc: null [2022-12-14 03:12:22,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:12:22,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 8 == __copy_to_user_~size#1; [2022-12-14 03:12:22,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867-1: __copy_to_user_~tmp___2~4#1 := __copy_to_user_#t~ret140#1;havoc __copy_to_user_#t~ret140#1;__copy_to_user_#res#1 := (if __copy_to_user_~tmp___2~4#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4#1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-12-14 03:12:22,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:12:22,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 4 == __copy_to_user_~size#1; [2022-12-14 03:12:22,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:12:22,372 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 2 == __copy_to_user_~size#1; [2022-12-14 03:12:24,363 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: SUMMARY for call __copy_from_user_#t~ret133#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-12-14 03:12:24,363 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785-1: assume -9223372036854775808 <= __copy_from_user_#t~ret133#1 && __copy_from_user_#t~ret133#1 <= 9223372036854775807;__copy_from_user_~tmp___0~5#1 := __copy_from_user_#t~ret133#1;havoc __copy_from_user_#t~ret133#1; [2022-12-14 03:12:24,363 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0 != __copy_from_user_~tmp___0~5#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:12:24,363 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0 != __copy_from_user_~tmp___0~5#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:12:24,363 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch132#1; [2022-12-14 03:12:24,363 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch132#1; [2022-12-14 03:12:24,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := true; [2022-12-14 03:12:24,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798: SUMMARY for call __copy_from_user_#t~ret134#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-12-14 03:12:24,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798-1: assume -9223372036854775808 <= __copy_from_user_#t~ret134#1 && __copy_from_user_#t~ret134#1 <= 9223372036854775807;__copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret134#1;havoc __copy_from_user_#t~ret134#1; [2022-12-14 03:12:24,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:12:24,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:12:24,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:12:24,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 4 == __copy_from_user_~size#1; [2022-12-14 03:12:24,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:12:24,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 8 == __copy_from_user_~size#1; [2022-12-14 03:12:24,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 2 == __copy_from_user_~size#1; [2022-12-14 03:12:24,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:12:24,364 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch132#1; [2022-12-14 03:12:24,365 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch132#1; [2022-12-14 03:12:24,365 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808-1: __copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret135#1;havoc __copy_from_user_#t~ret135#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-12-14 03:12:24,365 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808: SUMMARY for call __copy_from_user_#t~ret135#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2022-12-14 03:12:24,365 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:12:24,365 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 10 == __copy_from_user_~size#1; [2022-12-14 03:12:24,365 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch132#1; [2022-12-14 03:12:24,365 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 16 == __copy_from_user_~size#1; [2022-12-14 03:12:25,227 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 03:12:26,239 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 03:12:26,240 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 03:12:26,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:12:26 BoogieIcfgContainer [2022-12-14 03:12:26,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 03:12:26,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 03:12:26,245 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 03:12:26,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 03:12:26,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:12:14" (1/3) ... [2022-12-14 03:12:26,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2eb2fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:12:26, skipping insertion in model container [2022-12-14 03:12:26,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:17" (2/3) ... [2022-12-14 03:12:26,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2eb2fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:12:26, skipping insertion in model container [2022-12-14 03:12:26,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:12:26" (3/3) ... [2022-12-14 03:12:26,250 INFO L112 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-12-14 03:12:26,265 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 03:12:26,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 03:12:26,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 03:12:26,330 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;@46a51160, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 03:12:26,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 03:12:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 1814 states, 1125 states have (on average 1.3217777777777777) internal successors, (1487), 1171 states have internal predecessors, (1487), 579 states have call successors, (579), 108 states have call predecessors, (579), 108 states have return successors, (579), 574 states have call predecessors, (579), 579 states have call successors, (579) [2022-12-14 03:12:26,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 03:12:26,343 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:12:26,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:12:26,344 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:12:26,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:12:26,347 INFO L85 PathProgramCache]: Analyzing trace with hash -440571069, now seen corresponding path program 1 times [2022-12-14 03:12:26,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:12:26,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817771881] [2022-12-14 03:12:26,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:12:26,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:12:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:12:26,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:12:26,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:12:26,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817771881] [2022-12-14 03:12:26,670 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817771881] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:12:26,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:12:26,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:12:26,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703552853] [2022-12-14 03:12:26,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:12:26,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:12:26,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:12:26,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:12:26,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:12:26,711 INFO L87 Difference]: Start difference. First operand has 1814 states, 1125 states have (on average 1.3217777777777777) internal successors, (1487), 1171 states have internal predecessors, (1487), 579 states have call successors, (579), 108 states have call predecessors, (579), 108 states have return successors, (579), 574 states have call predecessors, (579), 579 states have call successors, (579) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:12:28,912 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 03:12:29,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:12:29,397 INFO L93 Difference]: Finished difference Result 3622 states and 5351 transitions. [2022-12-14 03:12:29,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:12:29,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-12-14 03:12:29,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:12:29,423 INFO L225 Difference]: With dead ends: 3622 [2022-12-14 03:12:29,423 INFO L226 Difference]: Without dead ends: 1806 [2022-12-14 03:12:29,437 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 03:12:29,440 INFO L413 NwaCegarLoop]: 2415 mSDtfsCounter, 2628 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 2415 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 03:12:29,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 2415 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 03:12:29,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2022-12-14 03:12:29,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1806. [2022-12-14 03:12:29,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1120 states have (on average 1.3169642857142858) internal successors, (1475), 1163 states have internal predecessors, (1475), 578 states have call successors, (578), 108 states have call predecessors, (578), 107 states have return successors, (573), 568 states have call predecessors, (573), 573 states have call successors, (573) [2022-12-14 03:12:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2626 transitions. [2022-12-14 03:12:29,615 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2626 transitions. Word has length 10 [2022-12-14 03:12:29,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:12:29,616 INFO L495 AbstractCegarLoop]: Abstraction has 1806 states and 2626 transitions. [2022-12-14 03:12:29,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:12:29,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2626 transitions. [2022-12-14 03:12:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 03:12:29,618 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:12:29,618 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:12:29,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 03:12:29,618 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:12:29,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:12:29,618 INFO L85 PathProgramCache]: Analyzing trace with hash -773831728, now seen corresponding path program 1 times [2022-12-14 03:12:29,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:12:29,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402650936] [2022-12-14 03:12:29,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:12:29,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:12:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:12:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:12:29,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:12:29,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402650936] [2022-12-14 03:12:29,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402650936] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:12:29,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:12:29,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:12:29,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984637731] [2022-12-14 03:12:29,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:12:29,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:12:29,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:12:29,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:12:29,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:12:29,728 INFO L87 Difference]: Start difference. First operand 1806 states and 2626 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:12:31,904 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 03:12:32,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:12:32,310 INFO L93 Difference]: Finished difference Result 1808 states and 2627 transitions. [2022-12-14 03:12:32,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:12:32,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-14 03:12:32,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:12:32,318 INFO L225 Difference]: With dead ends: 1808 [2022-12-14 03:12:32,318 INFO L226 Difference]: Without dead ends: 1805 [2022-12-14 03:12:32,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:12:32,321 INFO L413 NwaCegarLoop]: 2404 mSDtfsCounter, 2615 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2617 SdHoareTripleChecker+Valid, 2404 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 03:12:32,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2617 Valid, 2404 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 219 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 03:12:32,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2022-12-14 03:12:32,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1805. [2022-12-14 03:12:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1805 states, 1120 states have (on average 1.3160714285714286) internal successors, (1474), 1162 states have internal predecessors, (1474), 577 states have call successors, (577), 108 states have call predecessors, (577), 107 states have return successors, (573), 568 states have call predecessors, (573), 573 states have call successors, (573) [2022-12-14 03:12:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2624 transitions. [2022-12-14 03:12:32,439 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2624 transitions. Word has length 11 [2022-12-14 03:12:32,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:12:32,439 INFO L495 AbstractCegarLoop]: Abstraction has 1805 states and 2624 transitions. [2022-12-14 03:12:32,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:12:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2624 transitions. [2022-12-14 03:12:32,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 03:12:32,440 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:12:32,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:12:32,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 03:12:32,440 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:12:32,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:12:32,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1779994598, now seen corresponding path program 1 times [2022-12-14 03:12:32,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:12:32,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598651912] [2022-12-14 03:12:32,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:12:32,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:12:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:12:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:12:32,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:12:32,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598651912] [2022-12-14 03:12:32,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598651912] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:12:32,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:12:32,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:12:32,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300732790] [2022-12-14 03:12:32,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:12:32,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:12:32,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:12:32,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:12:32,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:12:32,528 INFO L87 Difference]: Start difference. First operand 1805 states and 2624 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:12:34,735 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 03:12:35,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:12:35,173 INFO L93 Difference]: Finished difference Result 1807 states and 2625 transitions. [2022-12-14 03:12:35,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:12:35,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-14 03:12:35,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:12:35,181 INFO L225 Difference]: With dead ends: 1807 [2022-12-14 03:12:35,182 INFO L226 Difference]: Without dead ends: 1804 [2022-12-14 03:12:35,183 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 03:12:35,183 INFO L413 NwaCegarLoop]: 2402 mSDtfsCounter, 2612 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2614 SdHoareTripleChecker+Valid, 2402 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-12-14 03:12:35,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2614 Valid, 2402 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 219 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-12-14 03:12:35,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2022-12-14 03:12:35,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1804. [2022-12-14 03:12:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1120 states have (on average 1.3151785714285715) internal successors, (1473), 1161 states have internal predecessors, (1473), 576 states have call successors, (576), 108 states have call predecessors, (576), 107 states have return successors, (573), 568 states have call predecessors, (573), 573 states have call successors, (573) [2022-12-14 03:12:35,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2622 transitions. [2022-12-14 03:12:35,273 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2622 transitions. Word has length 12 [2022-12-14 03:12:35,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:12:35,273 INFO L495 AbstractCegarLoop]: Abstraction has 1804 states and 2622 transitions. [2022-12-14 03:12:35,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:12:35,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2622 transitions. [2022-12-14 03:12:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 03:12:35,274 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:12:35,274 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:12:35,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 03:12:35,274 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:12:35,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:12:35,274 INFO L85 PathProgramCache]: Analyzing trace with hash -655763053, now seen corresponding path program 1 times [2022-12-14 03:12:35,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:12:35,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635986536] [2022-12-14 03:12:35,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:12:35,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:12:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:12:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:12:35,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:12:35,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635986536] [2022-12-14 03:12:35,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635986536] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:12:35,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:12:35,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:12:35,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410790834] [2022-12-14 03:12:35,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:12:35,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:12:35,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:12:35,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:12:35,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:12:35,357 INFO L87 Difference]: Start difference. First operand 1804 states and 2622 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:12:37,572 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 03:12:38,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:12:38,346 INFO L93 Difference]: Finished difference Result 4135 states and 5979 transitions. [2022-12-14 03:12:38,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:12:38,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-12-14 03:12:38,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:12:38,359 INFO L225 Difference]: With dead ends: 4135 [2022-12-14 03:12:38,360 INFO L226 Difference]: Without dead ends: 2328 [2022-12-14 03:12:38,369 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 03:12:38,370 INFO L413 NwaCegarLoop]: 2761 mSDtfsCounter, 1045 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 4813 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 03:12:38,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 4813 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 463 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 03:12:38,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2328 states. [2022-12-14 03:12:38,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2328 to 2324. [2022-12-14 03:12:38,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2324 states, 1424 states have (on average 1.2949438202247192) internal successors, (1844), 1486 states have internal predecessors, (1844), 721 states have call successors, (721), 182 states have call predecessors, (721), 178 states have return successors, (731), 698 states have call predecessors, (731), 708 states have call successors, (731) [2022-12-14 03:12:38,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 2324 states and 3296 transitions. [2022-12-14 03:12:38,519 INFO L78 Accepts]: Start accepts. Automaton has 2324 states and 3296 transitions. Word has length 13 [2022-12-14 03:12:38,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:12:38,519 INFO L495 AbstractCegarLoop]: Abstraction has 2324 states and 3296 transitions. [2022-12-14 03:12:38,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:12:38,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 3296 transitions. [2022-12-14 03:12:38,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 03:12:38,521 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:12:38,521 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 03:12:38,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 03:12:38,522 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:12:38,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:12:38,522 INFO L85 PathProgramCache]: Analyzing trace with hash 847564749, now seen corresponding path program 1 times [2022-12-14 03:12:38,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:12:38,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477967715] [2022-12-14 03:12:38,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:12:38,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:12:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:12:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 03:12:38,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 03:12:38,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477967715] [2022-12-14 03:12:38,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477967715] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:12:38,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:12:38,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:12:38,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374614197] [2022-12-14 03:12:38,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:12:38,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:12:38,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 03:12:38,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:12:38,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:12:38,702 INFO L87 Difference]: Start difference. First operand 2324 states and 3296 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 03:12:40,959 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 03:12:41,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:12:41,643 INFO L93 Difference]: Finished difference Result 3850 states and 5396 transitions. [2022-12-14 03:12:41,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:12:41,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2022-12-14 03:12:41,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:12:41,649 INFO L225 Difference]: With dead ends: 3850 [2022-12-14 03:12:41,649 INFO L226 Difference]: Without dead ends: 1864 [2022-12-14 03:12:41,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 03:12:41,654 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 1761 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-14 03:12:41,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 2935 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 339 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-12-14 03:12:41,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2022-12-14 03:12:41,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1863. [2022-12-14 03:12:41,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1863 states, 1133 states have (on average 1.2797881729920564) internal successors, (1450), 1179 states have internal predecessors, (1450), 565 states have call successors, (565), 169 states have call predecessors, (565), 164 states have return successors, (550), 543 states have call predecessors, (550), 550 states have call successors, (550) [2022-12-14 03:12:41,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2565 transitions. [2022-12-14 03:12:41,732 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2565 transitions. Word has length 46 [2022-12-14 03:12:41,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:12:41,732 INFO L495 AbstractCegarLoop]: Abstraction has 1863 states and 2565 transitions. [2022-12-14 03:12:41,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 03:12:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2565 transitions. [2022-12-14 03:12:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 03:12:41,734 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:12:41,734 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 03:12:41,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 03:12:41,734 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:12:41,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:12:41,735 INFO L85 PathProgramCache]: Analyzing trace with hash 445816922, now seen corresponding path program 1 times [2022-12-14 03:12:41,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 03:12:41,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10525137] [2022-12-14 03:12:41,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:12:41,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 03:12:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 03:12:41,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 03:12:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 03:12:41,931 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 03:12:41,931 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 03:12:41,932 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 03:12:41,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 03:12:41,936 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-12-14 03:12:41,938 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 03:12:41,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:12:41 BoogieIcfgContainer [2022-12-14 03:12:41,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 03:12:41,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 03:12:41,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 03:12:41,994 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 03:12:41,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:12:26" (3/4) ... [2022-12-14 03:12:41,997 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 03:12:41,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 03:12:41,998 INFO L158 Benchmark]: Toolchain (without parser) took 27046.02ms. Allocated memory was 176.2MB in the beginning and 373.3MB in the end (delta: 197.1MB). Free memory was 102.8MB in the beginning and 75.3MB in the end (delta: 27.4MB). Peak memory consumption was 226.1MB. Max. memory is 16.1GB. [2022-12-14 03:12:41,999 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 67.0MB in the beginning and 66.9MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:12:41,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2193.21ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 102.8MB in the beginning and 167.1MB in the end (delta: -64.3MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. [2022-12-14 03:12:41,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 209.38ms. Allocated memory is still 253.8MB. Free memory was 167.1MB in the beginning and 131.4MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-14 03:12:42,000 INFO L158 Benchmark]: Boogie Preprocessor took 281.73ms. Allocated memory is still 253.8MB. Free memory was 131.4MB in the beginning and 151.3MB in the end (delta: -19.9MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-12-14 03:12:42,000 INFO L158 Benchmark]: RCFGBuilder took 8604.74ms. Allocated memory was 253.8MB in the beginning and 310.4MB in the end (delta: 56.6MB). Free memory was 151.3MB in the beginning and 94.7MB in the end (delta: 56.6MB). Peak memory consumption was 143.6MB. Max. memory is 16.1GB. [2022-12-14 03:12:42,000 INFO L158 Benchmark]: TraceAbstraction took 15748.04ms. Allocated memory was 310.4MB in the beginning and 373.3MB in the end (delta: 62.9MB). Free memory was 93.7MB in the beginning and 76.4MB in the end (delta: 17.3MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2022-12-14 03:12:42,001 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 373.3MB. Free memory was 76.4MB in the beginning and 75.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:12:42,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory was 67.0MB in the beginning and 66.9MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2193.21ms. Allocated memory was 176.2MB in the beginning and 253.8MB in the end (delta: 77.6MB). Free memory was 102.8MB in the beginning and 167.1MB in the end (delta: -64.3MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 209.38ms. Allocated memory is still 253.8MB. Free memory was 167.1MB in the beginning and 131.4MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 281.73ms. Allocated memory is still 253.8MB. Free memory was 131.4MB in the beginning and 151.3MB in the end (delta: -19.9MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * RCFGBuilder took 8604.74ms. Allocated memory was 253.8MB in the beginning and 310.4MB in the end (delta: 56.6MB). Free memory was 151.3MB in the beginning and 94.7MB in the end (delta: 56.6MB). Peak memory consumption was 143.6MB. Max. memory is 16.1GB. * TraceAbstraction took 15748.04ms. Allocated memory was 310.4MB in the beginning and 373.3MB in the end (delta: 62.9MB). Free memory was 93.7MB in the beginning and 76.4MB in the end (delta: 17.3MB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 373.3MB. Free memory was 76.4MB in the beginning and 75.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10595, overapproximation of shiftLeft at line 6296, overapproximation of bitwiseOr at line 6296. Possible FailurePath: [L5971] static unsigned int vhost_zcopy_mask ; [L9348] static int experimental_zcopytx ; [L10590-L10593] static struct file_operations const vhost_net_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_net_ioctl, & vhost_net_compat_ioctl, 0, & vhost_net_open, 0, & vhost_net_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10594-L10595] static struct miscdevice vhost_net_misc = {238, "vhost-net", & vhost_net_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L10620] int LDV_IN_INTERRUPT ; [L11002] static int ldv_mutex_cred_guard_mutex ; [L11109] static int ldv_mutex_lock ; [L11216] static int ldv_mutex_mtx ; [L11323] static int ldv_mutex_mutex ; [L10623] struct inode *var_group1 ; [L10624] struct file *var_group2 ; [L10625] unsigned int var_vhost_net_ioctl_27_p1 ; [L10626] unsigned long var_vhost_net_ioctl_27_p2 ; [L10627] unsigned int var_vhost_net_compat_ioctl_28_p1 ; [L10628] unsigned long var_vhost_net_compat_ioctl_28_p2 ; [L10629] int res_vhost_net_open_13 ; [L10630] int ldv_s_vhost_net_fops_file_operations ; [L10631] int tmp ; [L10632] int tmp___0 ; [L10633] int tmp___1 ; [L10635] ldv_s_vhost_net_fops_file_operations = 0 [L10636] LDV_IN_INTERRUPT = 1 [L10637] CALL ldv_initialize() [L11433] ldv_mutex_cred_guard_mutex = 1 [L11434] ldv_mutex_lock = 1 [L11435] ldv_mutex_mtx = 1 [L11436] ldv_mutex_mutex = 1 [L10637] RET ldv_initialize() [L10638] FCALL ldv_handler_precall() VAL [__this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] CALL, EXPR vhost_net_init() [L10598] int tmp ; [L10600] COND FALSE !(experimental_zcopytx != 0) [L10604] CALL, EXPR misc_register(& vhost_net_misc) [L11595] return __VERIFIER_nondet_int(); [L10604] RET, EXPR misc_register(& vhost_net_misc) [L10604] tmp = misc_register(& vhost_net_misc) [L10605] return (tmp); [L10639] RET, EXPR vhost_net_init() [L10639] tmp = vhost_net_init() [L10640] COND FALSE !(tmp != 0) VAL [__this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10682] tmp___1 = __VERIFIER_nondet_int() [L10683] COND TRUE tmp___1 != 0 || ldv_s_vhost_net_fops_file_operations != 0 [L10646] tmp___0 = __VERIFIER_nondet_int() [L10648] case 0: [L10661] case 1: [L10669] case 2: [L10673] case 3: VAL [__this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=3, tmp___1=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10674] FCALL ldv_handler_precall() VAL [__this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=3, tmp___1=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10675] CALL vhost_net_compat_ioctl(var_group2, var_vhost_net_compat_ioctl_28_p1, var_vhost_net_compat_ioctl_28_p2) [L10582] void *tmp ; [L10583] long tmp___0 ; [L10585] CALL, EXPR compat_ptr((compat_uptr_t )arg) [L9300] return ((void *)((unsigned long )uptr)); [L10585] RET, EXPR compat_ptr((compat_uptr_t )arg) [L10585] tmp = compat_ptr((compat_uptr_t )arg) [L10586] CALL vhost_net_ioctl(f, ioctl, (unsigned long )tmp) VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10521] struct vhost_net *n ; [L10522] void *argp ; [L10523] u64 *featurep ; [L10524] struct vhost_vring_file backend ; [L10525] u64 features ; [L10526] int r ; [L10527] unsigned long tmp ; [L10528] long tmp___0 ; [L10529] int tmp___1 ; [L10530] unsigned long tmp___2 ; [L10531] int tmp___3 ; [L10532] long tmp___4 ; [L10533] long tmp___5 ; [L10535] EXPR f->private_data [L10535] n = (struct vhost_net *)f->private_data [L10536] argp = (void *)arg [L10537] featurep = (u64 *)argp [L10539] case 1074310960U: [L10547] case 2148052736U: [L10555] case 1074310912U: [L10567] case 44802U: [L10568] CALL vhost_net_reset_owner(n) [L10445] struct socket *tx_sock ; [L10446] struct socket *rx_sock ; [L10447] long err ; [L10449] tx_sock = 0 [L10450] rx_sock = 0 [L10451] CALL ldv_mutex_lock_66(& n->dev.mutex) [L10919] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={4294967307:-17400}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND TRUE ldv_mutex_mutex == 1 VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={4294967307:-17400}, lock={4294967307:-17400}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11365] ldv_mutex_mutex = 2 [L10919] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967304:4294967299}, experimental_zcopytx=0, ldv_func_arg1={4294967307:-17400}, ldv_func_arg1={4294967307:-17400}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10920] FCALL mutex_lock(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967304:4294967299}, experimental_zcopytx=0, ldv_func_arg1={4294967307:-17400}, ldv_func_arg1={4294967307:-17400}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10451] RET ldv_mutex_lock_66(& n->dev.mutex) [L10452] CALL, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967304:4294967299}, dev={4294967307:-17416}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6410] struct task_struct *tmp ; VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967304:4294967299}, dev={4294967307:-17416}, dev={4294967307:-17416}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] CALL, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5283] struct task_struct *pfo_ret__ ; [L5286] case 1UL: [L5289] case 2UL: [L5292] case 4UL: [L5295] case 8UL: [L5302] return (pfo_ret__); [L6412] RET, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967304:4294967299}, dev={4294967307:-17416}, dev={4294967307:-17416}, experimental_zcopytx=0, get_current()={4294967306:-3}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] tmp = get_current() [L6413] EXPR dev->mm [L6413] EXPR tmp->mm [L6413] return ((unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L); [L10452] RET, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={4294967307:-17416}, n={4294967307:-17416}, rx_sock={220:0}, tx_sock={217:0}, vhost_dev_check_owner(& n->dev)=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10452] err = vhost_dev_check_owner(& n->dev) [L10453] COND FALSE !(err != 0L) VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967304:4294967299}, err=0, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={4294967307:-17416}, n={4294967307:-17416}, rx_sock={220:0}, tx_sock={217:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10457] CALL vhost_net_stop(n, & tx_sock, & rx_sock) VAL [\old(ldv_mutex_mutex)=2, __this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={4294967307:-17416}, rx_sock={220:0}, tx_sock={217:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10183] CALL vhost_net_stop_vq(n, (struct vhost_virtqueue *)(& n->vqs) + 1UL) VAL [\old(ldv_mutex_mutex)=2, __this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={4294967307:-17416}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, vq={4294967307:0}] [L10155] struct socket *sock ; [L10156] bool __warned ; [L10157] int tmp ; [L10158] int tmp___0 ; [L10160] CALL ldv_mutex_lock_56(& vq->mutex) [L10839] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=2, __this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={4294967307:8}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND FALSE !(ldv_mutex_mutex == 1) VAL [\old(ldv_mutex_mutex)=2, __this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={4294967307:8}, lock={4294967307:8}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11363] CALL ldv_error() VAL [\old(ldv_mutex_mutex)=2, __this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10992] reach_error() VAL [\old(ldv_mutex_mutex)=2, __this_module={4294967304:4294967299}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 109 procedures, 1814 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.6s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 10670 SdHoareTripleChecker+Valid, 13.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10661 mSDsluCounter, 14969 SdHoareTripleChecker+Invalid, 12.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2747 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1460 IncrementalHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 12222 mSDtfsCounter, 1460 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2324occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 03:12:42,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/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_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/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 f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- 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 03:12:43,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 03:12:43,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 03:12:43,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 03:12:43,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 03:12:43,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 03:12:43,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 03:12:43,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 03:12:43,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 03:12:43,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 03:12:43,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 03:12:43,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 03:12:43,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 03:12:43,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 03:12:43,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 03:12:43,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 03:12:43,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 03:12:43,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 03:12:43,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 03:12:43,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 03:12:43,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 03:12:43,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 03:12:43,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 03:12:43,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 03:12:43,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 03:12:43,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 03:12:43,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 03:12:43,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 03:12:43,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 03:12:43,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 03:12:43,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 03:12:43,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 03:12:43,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 03:12:43,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 03:12:43,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 03:12:43,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 03:12:43,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 03:12:43,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 03:12:43,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 03:12:43,645 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 03:12:43,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 03:12:43,646 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 03:12:43,664 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 03:12:43,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 03:12:43,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 03:12:43,665 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 03:12:43,665 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 03:12:43,666 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 03:12:43,666 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 03:12:43,666 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 03:12:43,666 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 03:12:43,666 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 03:12:43,667 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 03:12:43,667 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 03:12:43,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 03:12:43,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 03:12:43,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 03:12:43,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 03:12:43,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 03:12:43,669 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 03:12:43,669 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 03:12:43,669 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 03:12:43,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 03:12:43,669 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 03:12:43,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 03:12:43,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 03:12:43,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 03:12:43,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 03:12:43,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:12:43,671 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 03:12:43,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 03:12:43,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 03:12:43,671 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 03:12:43,671 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 03:12:43,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 03:12:43,672 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 03:12:43,672 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 03:12:43,672 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2022-12-14 03:12:43,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 03:12:43,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 03:12:43,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 03:12:43,917 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 03:12:43,917 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 03:12:43,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-12-14 03:12:46,549 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 03:12:47,041 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 03:12:47,042 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-12-14 03:12:47,081 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/data/f89381fa9/7ab3f3184bcb4b9490bfd0796ac66ee0/FLAG02251d150 [2022-12-14 03:12:47,094 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/data/f89381fa9/7ab3f3184bcb4b9490bfd0796ac66ee0 [2022-12-14 03:12:47,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 03:12:47,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 03:12:47,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 03:12:47,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 03:12:47,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 03:12:47,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:12:47" (1/1) ... [2022-12-14 03:12:47,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@690fd7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:47, skipping insertion in model container [2022-12-14 03:12:47,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:12:47" (1/1) ... [2022-12-14 03:12:47,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 03:12:47,212 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 03:12:47,611 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 03:12:47,624 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 03:12:47,646 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 03:12:47,930 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 03:12:47,967 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 03:12:47,971 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 03:12:47,975 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 03:12:48,030 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-14 03:12:48,041 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 03:12:48,046 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 03:12:48,055 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,056 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:48,056 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 03:12:48,057 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:48,063 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,063 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:48,064 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:48,069 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,069 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:48,070 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:48,091 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:48,163 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:48,164 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 03:12:48,165 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 03:12:48,165 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 03:12:48,169 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:48,170 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 03:12:48,173 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:48,178 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:48,311 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,318 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 03:12:48,324 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 03:12:48,327 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 03:12:48,337 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 03:12:48,337 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:48,337 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 03:12:48,339 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:48,340 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 03:12:48,350 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-14 03:12:48,351 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 03:12:48,351 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 03:12:48,352 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 03:12:48,353 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:48,354 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:48,354 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-14 03:12:48,357 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,358 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,358 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,359 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,370 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:48,371 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 03:12:48,372 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:48,378 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-14 03:12:48,386 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-14 03:12:48,387 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 03:12:48,388 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 03:12:48,388 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 03:12:48,389 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 03:12:48,394 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:48,395 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,396 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,397 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:48,398 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,399 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:48,399 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,400 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,400 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:48,401 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:48,401 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,402 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:48,403 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 03:12:48,403 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 03:12:48,422 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,422 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:48,429 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:48,434 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,434 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:48,434 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:48,442 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,442 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,443 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,443 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:48,443 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:48,444 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,448 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:48,455 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:48,456 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:48,457 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:48,458 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:48,459 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:48,460 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:48,460 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,464 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:48,465 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:48,466 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:48,467 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:48,467 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,475 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 03:12:48,476 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-14 03:12:48,476 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 03:12:48,482 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,485 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:48,486 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,490 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:48,491 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,492 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:48,496 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,497 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:48,508 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,508 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,510 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,512 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,512 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,514 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,514 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-14 03:12:48,515 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,516 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,517 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,518 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,520 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,520 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,522 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,522 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,525 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:48,526 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,526 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,528 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,528 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,529 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:48,530 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,531 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,532 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,533 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,534 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,535 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,536 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,536 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,538 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,538 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,540 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,540 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,541 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,542 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,544 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,545 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,547 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:48,548 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,549 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,549 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:48,550 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,550 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,551 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:48,557 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,557 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,558 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,564 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,564 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,566 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:48,568 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,568 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,569 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,573 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:48,574 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,575 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,576 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:48,577 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,577 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,578 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,580 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,581 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,582 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,583 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,583 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:48,584 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,585 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,587 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,587 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,591 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 03:12:48,592 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 03:12:48,594 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 03:12:48,594 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:48,594 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 03:12:48,594 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,595 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,596 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,596 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,596 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 03:12:48,596 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,597 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,597 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,597 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,597 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,598 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,598 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,598 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,598 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,599 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,599 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,599 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,600 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,600 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,600 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,714 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:48,758 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,761 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,762 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,763 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,763 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,770 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:48,776 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,776 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,782 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,785 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,785 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-14 03:12:48,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,786 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,787 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-14 03:12:48,787 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:48,788 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:48,806 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,814 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,814 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:48,815 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:48,824 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,824 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:48,824 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:48,842 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,843 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,843 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:48,847 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-12-14 03:12:48,849 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,858 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 03:12:48,858 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-12-14 03:12:48,859 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-12-14 03:12:48,859 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,869 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:48,869 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:48,869 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:48,871 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,871 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,876 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,877 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:48,893 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 03:12:48,897 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 03:12:48,910 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:48,911 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:48,911 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 03:12:48,911 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:48,911 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:48,912 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:48,912 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:48,912 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,912 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,913 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,913 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,913 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,913 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,913 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,913 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,914 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,914 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 03:12:48,914 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,914 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,914 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,915 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,915 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,915 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,915 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,915 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,916 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,916 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,916 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,916 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,916 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,916 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,917 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,917 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,917 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,917 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,917 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,918 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,918 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,918 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,918 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,918 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,919 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:48,919 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:48,922 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_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-12-14 03:12:48,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:12:49,012 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 03:12:49,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 03:12:49,136 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 03:12:49,137 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 03:12:49,138 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 03:12:49,140 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 03:12:49,145 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 03:12:49,146 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 03:12:49,146 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 03:12:49,148 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-14 03:12:49,148 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 03:12:49,148 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 03:12:49,149 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,149 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:49,149 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 03:12:49,150 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,150 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,150 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:49,151 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,151 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,151 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:49,152 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,153 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:49,156 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,156 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 03:12:49,157 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 03:12:49,157 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 03:12:49,158 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,158 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 03:12:49,159 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,160 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,164 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,165 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 03:12:49,166 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 03:12:49,168 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 03:12:49,170 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 03:12:49,171 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:49,171 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 03:12:49,172 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:49,173 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 03:12:49,176 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-14 03:12:49,177 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 03:12:49,177 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 03:12:49,178 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 03:12:49,179 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:49,179 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:49,179 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-14 03:12:49,180 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,180 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,181 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,181 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,186 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:49,186 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 03:12:49,188 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:49,190 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-14 03:12:49,192 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-14 03:12:49,192 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 03:12:49,193 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 03:12:49,194 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 03:12:49,194 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 03:12:49,199 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:49,199 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,200 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,201 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:49,201 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,202 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:49,203 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,203 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,203 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,204 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,204 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,205 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:49,205 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 03:12:49,206 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 03:12:49,211 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,211 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,212 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,213 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,213 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,214 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,218 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,218 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,218 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,219 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,219 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,220 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,221 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,227 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:49,229 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:49,229 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:49,230 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:49,231 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:49,232 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:49,232 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,235 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,236 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:49,236 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:49,237 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:49,238 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,239 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 03:12:49,240 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-14 03:12:49,240 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 03:12:49,242 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,243 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:49,244 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,244 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:49,245 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,246 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,247 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,247 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,251 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,251 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,253 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,253 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,254 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,255 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,256 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,256 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,257 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-14 03:12:49,257 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,258 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,260 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,260 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,261 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,262 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,264 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,264 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,266 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:49,267 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,268 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,269 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,270 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,270 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:49,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,272 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,273 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,273 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,274 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,275 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,276 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,276 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,277 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,278 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,279 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,288 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,289 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,289 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,290 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,291 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,293 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:49,293 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,294 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,294 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:49,295 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,295 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,295 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:49,296 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,296 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,297 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,299 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,299 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,301 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,302 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,302 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,302 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,303 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:49,304 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,304 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,305 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,306 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,306 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,307 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,308 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,309 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,310 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,310 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:49,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,311 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,313 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,313 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,313 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 03:12:49,314 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 03:12:49,315 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 03:12:49,315 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:49,315 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 03:12:49,315 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,316 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,316 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,316 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,317 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 03:12:49,317 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,317 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,317 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,317 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,318 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,318 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,318 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,318 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,318 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,318 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,319 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,319 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,319 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,319 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,319 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,321 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:49,325 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,328 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,329 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,331 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,332 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:49,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,335 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,337 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,340 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-14 03:12:49,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,341 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,341 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-14 03:12:49,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,342 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,345 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,346 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,346 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,346 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,347 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,347 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,348 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,349 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,349 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,349 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,350 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-12-14 03:12:49,350 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,351 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 03:12:49,351 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-12-14 03:12:49,351 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-12-14 03:12:49,352 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,353 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,353 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,353 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,355 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,355 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,356 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,356 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,360 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 03:12:49,360 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 03:12:49,360 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:49,361 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:49,361 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 03:12:49,361 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:49,361 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:49,361 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:49,362 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:49,362 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,362 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,362 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,362 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,363 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,363 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,363 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,363 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,363 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,364 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 03:12:49,364 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,364 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,364 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,364 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,365 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,365 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,365 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,365 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,365 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,365 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,366 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,366 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,366 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,366 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,366 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,367 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,367 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,367 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,372 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,373 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,373 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,373 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,373 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,373 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,374 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,374 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,374 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_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-12-14 03:12:49,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:12:49,385 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 03:12:49,455 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 03:12:49,456 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 03:12:49,457 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 03:12:49,459 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 03:12:49,460 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 03:12:49,461 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 03:12:49,461 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 03:12:49,463 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-14 03:12:49,463 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 03:12:49,463 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 03:12:49,464 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,464 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:49,464 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 03:12:49,465 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,465 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,466 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:49,466 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,466 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,467 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 03:12:49,467 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,468 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:49,471 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,472 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 03:12:49,472 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 03:12:49,473 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 03:12:49,473 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,473 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 03:12:49,474 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,475 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,479 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,480 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 03:12:49,481 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 03:12:49,488 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 03:12:49,490 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 03:12:49,491 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:49,491 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 03:12:49,494 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:49,494 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 03:12:49,498 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-14 03:12:49,499 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 03:12:49,499 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 03:12:49,499 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 03:12:49,500 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:49,500 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:49,501 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-14 03:12:49,501 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,501 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,502 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,502 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,505 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:49,505 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 03:12:49,508 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 03:12:49,510 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-14 03:12:49,511 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-14 03:12:49,511 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 03:12:49,512 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 03:12:49,512 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 03:12:49,513 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 03:12:49,518 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:49,518 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,519 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,519 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:49,520 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,520 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:49,520 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,521 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,521 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,521 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,521 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,522 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:49,522 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 03:12:49,523 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 03:12:49,526 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,526 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,527 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,527 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,528 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,528 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,534 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,535 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,535 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,535 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,535 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,536 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,536 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,546 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:49,548 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:49,548 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:49,549 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:49,549 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:49,550 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:49,550 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,553 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,554 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 03:12:49,554 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 03:12:49,555 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 03:12:49,555 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,557 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 03:12:49,558 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-14 03:12:49,558 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 03:12:49,559 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,560 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:49,561 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,562 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:49,562 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,563 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,564 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,564 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,568 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,568 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,569 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,569 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,571 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,571 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,572 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,572 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,573 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-14 03:12:49,574 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,574 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,575 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,576 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,577 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,577 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,578 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,578 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,580 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:49,581 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,581 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,582 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,582 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,583 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:49,584 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,584 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,585 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,585 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,586 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,586 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,587 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,588 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,588 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,589 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,590 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,590 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,591 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,591 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,592 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,593 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,595 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:49,595 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,596 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,596 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:49,597 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,597 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,597 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 03:12:49,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,598 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,599 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,600 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,601 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,602 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,603 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,603 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,604 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,605 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:49,606 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,606 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,606 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 03:12:49,607 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,607 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,608 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,610 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,610 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,611 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,611 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,612 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 03:12:49,612 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,612 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,614 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,614 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,614 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 03:12:49,615 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 03:12:49,616 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 03:12:49,617 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 03:12:49,617 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 03:12:49,617 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,618 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,618 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,619 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,619 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 03:12:49,619 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,619 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,620 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,620 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,620 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,620 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,620 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,620 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,621 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,621 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,621 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,621 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,621 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,621 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,622 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,623 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 03:12:49,640 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,643 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,643 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,644 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,644 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,648 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,649 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 03:12:49,653 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,654 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,657 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,661 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,661 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-14 03:12:49,662 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,662 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,662 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-14 03:12:49,663 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 03:12:49,663 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 03:12:49,672 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,673 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,673 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,673 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,674 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,674 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,674 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,676 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,676 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,676 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 03:12:49,676 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-12-14 03:12:49,677 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,678 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-14 03:12:49,678 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-12-14 03:12:49,678 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-12-14 03:12:49,678 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,680 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 03:12:49,680 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 03:12:49,680 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 03:12:49,681 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,681 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,682 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,682 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 03:12:49,685 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 03:12:49,685 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 03:12:49,685 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:49,686 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:49,686 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 03:12:49,686 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:49,686 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:49,686 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:49,686 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 03:12:49,687 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,687 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,687 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,687 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,687 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,687 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,687 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,687 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,688 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,688 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 03:12:49,688 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,688 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,688 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,688 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,688 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,688 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,689 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,689 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,689 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,689 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,689 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,689 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,689 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,689 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,689 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,690 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,690 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,690 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,690 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,690 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,690 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,690 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,690 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,691 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,691 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 03:12:49,691 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 03:12:49,691 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_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-12-14 03:12:49,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 03:12:49,787 INFO L208 MainTranslator]: Completed translation [2022-12-14 03:12:49,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49 WrapperNode [2022-12-14 03:12:49,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 03:12:49,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 03:12:49,788 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 03:12:49,788 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 03:12:49,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,984 INFO L138 Inliner]: procedures = 350, calls = 2627, calls flagged for inlining = 143, calls inlined = 135, statements flattened = 6427 [2022-12-14 03:12:49,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 03:12:49,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 03:12:49,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 03:12:49,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 03:12:49,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:49,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:50,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:50,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:50,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:50,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:50,153 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:50,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:50,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 03:12:50,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 03:12:50,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 03:12:50,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 03:12:50,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (1/1) ... [2022-12-14 03:12:50,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 03:12:50,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 03:12:50,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 03:12:50,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 03:12:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2022-12-14 03:12:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2022-12-14 03:12:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2022-12-14 03:12:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2022-12-14 03:12:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2022-12-14 03:12:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2022-12-14 03:12:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 03:12:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-12-14 03:12:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-12-14 03:12:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-14 03:12:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-14 03:12:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-14 03:12:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 03:12:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-12-14 03:12:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-12-14 03:12:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 03:12:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-14 03:12:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-12-14 03:12:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-12-14 03:12:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 03:12:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-12-14 03:12:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-12-14 03:12:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2022-12-14 03:12:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2022-12-14 03:12:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-12-14 03:12:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-12-14 03:12:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2022-12-14 03:12:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2022-12-14 03:12:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-12-14 03:12:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-12-14 03:12:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 03:12:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 03:12:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 03:12:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 03:12:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-12-14 03:12:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-12-14 03:12:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 03:12:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 03:12:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-12-14 03:12:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-12-14 03:12:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 03:12:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 03:12:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 03:12:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 03:12:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-12-14 03:12:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 03:12:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 03:12:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2022-12-14 03:12:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2022-12-14 03:12:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2022-12-14 03:12:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2022-12-14 03:12:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-12-14 03:12:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-12-14 03:12:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2022-12-14 03:12:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2022-12-14 03:12:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2022-12-14 03:12:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2022-12-14 03:12:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 03:12:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 03:12:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 03:12:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 03:12:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 03:12:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 03:12:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-12-14 03:12:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-12-14 03:12:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2022-12-14 03:12:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2022-12-14 03:12:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 03:12:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 03:12:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 03:12:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-12-14 03:12:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-12-14 03:12:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2022-12-14 03:12:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2022-12-14 03:12:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 03:12:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 03:12:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 03:12:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-12-14 03:12:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-12-14 03:12:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2022-12-14 03:12:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-12-14 03:12:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2022-12-14 03:12:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 03:12:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2022-12-14 03:12:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2022-12-14 03:12:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2022-12-14 03:12:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-14 03:12:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-14 03:12:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 03:12:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 03:12:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-12-14 03:12:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-12-14 03:12:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 03:12:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 03:12:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-12-14 03:12:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-12-14 03:12:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2022-12-14 03:12:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2022-12-14 03:12:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2022-12-14 03:12:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2022-12-14 03:12:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-12-14 03:12:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-12-14 03:12:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-14 03:12:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-14 03:12:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 03:12:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 03:12:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-12-14 03:12:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-12-14 03:12:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 03:12:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 03:12:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-12-14 03:12:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-12-14 03:12:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-12-14 03:12:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2022-12-14 03:12:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-12-14 03:12:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 03:12:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2022-12-14 03:12:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 03:12:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-12-14 03:12:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-12-14 03:12:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-12-14 03:12:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-12-14 03:12:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-12-14 03:12:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2022-12-14 03:12:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2022-12-14 03:12:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-12-14 03:12:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-14 03:12:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-14 03:12:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 03:12:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2022-12-14 03:12:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-12-14 03:12:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-12-14 03:12:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 03:12:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 03:12:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2022-12-14 03:12:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-12-14 03:12:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2022-12-14 03:12:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-12-14 03:12:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-14 03:12:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-12-14 03:12:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 03:12:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-12-14 03:12:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-14 03:12:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-14 03:12:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-14 03:12:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-12-14 03:12:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 03:12:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 03:12:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-12-14 03:12:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-14 03:12:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 03:12:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-12-14 03:12:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2022-12-14 03:12:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-12-14 03:12:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-12-14 03:12:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-12-14 03:12:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-12-14 03:12:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-12-14 03:12:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 03:12:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 03:12:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 03:12:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 03:12:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-12-14 03:12:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-12-14 03:12:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-14 03:12:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2022-12-14 03:12:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2022-12-14 03:12:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2022-12-14 03:12:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2022-12-14 03:12:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 03:12:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 03:12:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 03:12:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 03:12:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 03:12:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 03:12:50,843 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 03:12:50,846 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 03:13:14,255 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: SUMMARY for call __copy_to_user_#t~ret139#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2022-12-14 03:13:14,255 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857-1: __copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret139#1;havoc __copy_to_user_#t~ret139#1; [2022-12-14 03:13:14,255 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: SUMMARY for call __copy_to_user_#t~ret138#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2022-12-14 03:13:14,255 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845-1: __copy_to_user_~tmp___0~6#1 := __copy_to_user_#t~ret138#1;havoc __copy_to_user_#t~ret138#1; [2022-12-14 03:13:14,255 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch137#1; [2022-12-14 03:13:14,255 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch137#1; [2022-12-14 03:13:14,255 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0bv64 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:13:14,255 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0bv64 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:13:14,255 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch137#1; [2022-12-14 03:13:14,255 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := true; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch137#1; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0bv64 != __copy_to_user_~tmp___0~6#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0bv64 != __copy_to_user_~tmp___0~6#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch137#1; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 16bv32 == __copy_to_user_~size#1; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 10bv32 == __copy_to_user_~size#1; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867: SUMMARY for call __copy_to_user_#t~ret140#1 := copy_user_generic(__copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1); srcloc: null [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 8bv32 == __copy_to_user_~size#1; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867-1: __copy_to_user_~tmp___2~4#1 := __copy_to_user_#t~ret140#1;havoc __copy_to_user_#t~ret140#1;__copy_to_user_#res#1 := __copy_to_user_~tmp___2~4#1[32:0]; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 4bv32 == __copy_to_user_~size#1; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-14 03:13:14,256 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 2bv32 == __copy_to_user_~size#1; [2022-12-14 03:13:29,765 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: SUMMARY for call __copy_from_user_#t~ret133#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2022-12-14 03:13:29,765 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785-1: __copy_from_user_~tmp___0~5#1 := __copy_from_user_#t~ret133#1;havoc __copy_from_user_#t~ret133#1; [2022-12-14 03:13:29,765 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0bv64 != __copy_from_user_~tmp___0~5#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:13:29,765 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0bv64 != __copy_from_user_~tmp___0~5#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:13:29,765 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch132#1; [2022-12-14 03:13:29,766 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch132#1; [2022-12-14 03:13:29,766 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := true; [2022-12-14 03:13:29,766 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798: SUMMARY for call __copy_from_user_#t~ret134#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2022-12-14 03:13:29,766 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798-1: __copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret134#1;havoc __copy_from_user_#t~ret134#1; [2022-12-14 03:13:29,766 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0bv64 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:13:29,766 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0bv64 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:13:29,766 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:13:29,766 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 4bv32 == __copy_from_user_~size#1; [2022-12-14 03:13:29,766 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:13:29,767 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 8bv32 == __copy_from_user_~size#1; [2022-12-14 03:13:29,767 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 2bv32 == __copy_from_user_~size#1; [2022-12-14 03:13:29,767 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:13:29,767 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch132#1; [2022-12-14 03:13:29,767 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch132#1; [2022-12-14 03:13:29,767 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808-1: __copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret135#1;havoc __copy_from_user_#t~ret135#1;__copy_from_user_#res#1 := __copy_from_user_~tmp___2~3#1[32:0]; [2022-12-14 03:13:29,767 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808: SUMMARY for call __copy_from_user_#t~ret135#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2022-12-14 03:13:29,767 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-14 03:13:29,767 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 10bv32 == __copy_from_user_~size#1; [2022-12-14 03:13:29,768 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch132#1; [2022-12-14 03:13:29,768 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 16bv32 == __copy_from_user_~size#1; [2022-12-14 03:13:39,213 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 03:13:39,226 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 03:13:39,227 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 03:13:39,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:13:39 BoogieIcfgContainer [2022-12-14 03:13:39,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 03:13:39,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 03:13:39,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 03:13:39,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 03:13:39,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:12:47" (1/3) ... [2022-12-14 03:13:39,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe5ec5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:13:39, skipping insertion in model container [2022-12-14 03:13:39,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:12:49" (2/3) ... [2022-12-14 03:13:39,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fe5ec5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:13:39, skipping insertion in model container [2022-12-14 03:13:39,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:13:39" (3/3) ... [2022-12-14 03:13:39,236 INFO L112 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-12-14 03:13:39,249 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 03:13:39,249 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 03:13:39,312 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 03:13:39,317 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;@4fc2bf66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 03:13:39,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 03:13:39,324 INFO L276 IsEmpty]: Start isEmpty. Operand has 2200 states, 1522 states have (on average 1.3442838370565047) internal successors, (2046), 1568 states have internal predecessors, (2046), 572 states have call successors, (572), 104 states have call predecessors, (572), 104 states have return successors, (572), 567 states have call predecessors, (572), 572 states have call successors, (572) [2022-12-14 03:13:39,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 03:13:39,330 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:39,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:13:39,331 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:39,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:39,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1066115318, now seen corresponding path program 1 times [2022-12-14 03:13:39,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 03:13:39,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1343836819] [2022-12-14 03:13:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:39,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:39,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 03:13:39,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 03:13:39,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 03:13:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:39,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 03:13:39,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:13:39,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:13:39,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:13:39,971 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 03:13:39,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1343836819] [2022-12-14 03:13:39,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1343836819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:39,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:39,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:13:39,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976300108] [2022-12-14 03:13:39,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:39,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:13:39,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 03:13:40,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:13:40,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:40,007 INFO L87 Difference]: Start difference. First operand has 2200 states, 1522 states have (on average 1.3442838370565047) internal successors, (2046), 1568 states have internal predecessors, (2046), 572 states have call successors, (572), 104 states have call predecessors, (572), 104 states have return successors, (572), 567 states have call predecessors, (572), 572 states have call successors, (572) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:13:40,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:40,286 INFO L93 Difference]: Finished difference Result 4386 states and 6444 transitions. [2022-12-14 03:13:40,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:13:40,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-12-14 03:13:40,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:40,314 INFO L225 Difference]: With dead ends: 4386 [2022-12-14 03:13:40,314 INFO L226 Difference]: Without dead ends: 2189 [2022-12-14 03:13:40,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 03:13:40,332 INFO L413 NwaCegarLoop]: 3178 mSDtfsCounter, 3166 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3166 SdHoareTripleChecker+Valid, 3178 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:40,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3166 Valid, 3178 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 03:13:40,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2022-12-14 03:13:40,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2189. [2022-12-14 03:13:40,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2189 states, 1514 states have (on average 1.3408190224570673) internal successors, (2030), 1557 states have internal predecessors, (2030), 571 states have call successors, (571), 104 states have call predecessors, (571), 103 states have return successors, (566), 561 states have call predecessors, (566), 566 states have call successors, (566) [2022-12-14 03:13:40,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 2189 states and 3167 transitions. [2022-12-14 03:13:40,507 INFO L78 Accepts]: Start accepts. Automaton has 2189 states and 3167 transitions. Word has length 16 [2022-12-14 03:13:40,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:40,509 INFO L495 AbstractCegarLoop]: Abstraction has 2189 states and 3167 transitions. [2022-12-14 03:13:40,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:13:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 3167 transitions. [2022-12-14 03:13:40,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 03:13:40,510 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:40,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:13:40,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 03:13:40,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:40,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:40,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:40,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1309145204, now seen corresponding path program 1 times [2022-12-14 03:13:40,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 03:13:40,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [747559656] [2022-12-14 03:13:40,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:40,712 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:40,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 03:13:40,713 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 03:13:40,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 03:13:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:41,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 03:13:41,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:13:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:13:41,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:13:41,198 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 03:13:41,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [747559656] [2022-12-14 03:13:41,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [747559656] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:41,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:41,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:13:41,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326047558] [2022-12-14 03:13:41,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:41,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:13:41,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 03:13:41,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:13:41,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:41,201 INFO L87 Difference]: Start difference. First operand 2189 states and 3167 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:13:41,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:41,401 INFO L93 Difference]: Finished difference Result 2191 states and 3168 transitions. [2022-12-14 03:13:41,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:13:41,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-12-14 03:13:41,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:41,411 INFO L225 Difference]: With dead ends: 2191 [2022-12-14 03:13:41,411 INFO L226 Difference]: Without dead ends: 2188 [2022-12-14 03:13:41,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 03:13:41,413 INFO L413 NwaCegarLoop]: 3164 mSDtfsCounter, 3151 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 3164 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:41,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 3164 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 03:13:41,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2022-12-14 03:13:41,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2188. [2022-12-14 03:13:41,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2188 states, 1514 states have (on average 1.3401585204755615) internal successors, (2029), 1556 states have internal predecessors, (2029), 570 states have call successors, (570), 104 states have call predecessors, (570), 103 states have return successors, (566), 561 states have call predecessors, (566), 566 states have call successors, (566) [2022-12-14 03:13:41,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 3165 transitions. [2022-12-14 03:13:41,594 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 3165 transitions. Word has length 17 [2022-12-14 03:13:41,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:41,594 INFO L495 AbstractCegarLoop]: Abstraction has 2188 states and 3165 transitions. [2022-12-14 03:13:41,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:13:41,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3165 transitions. [2022-12-14 03:13:41,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 03:13:41,595 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:41,595 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:13:41,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 03:13:41,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:41,800 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:41,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:41,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1927782221, now seen corresponding path program 1 times [2022-12-14 03:13:41,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 03:13:41,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776058963] [2022-12-14 03:13:41,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:41,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:41,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 03:13:41,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 03:13:41,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-14 03:13:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:42,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 03:13:42,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:13:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:13:42,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:13:42,326 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 03:13:42,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1776058963] [2022-12-14 03:13:42,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1776058963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:42,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:42,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:13:42,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375585248] [2022-12-14 03:13:42,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:42,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:13:42,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 03:13:42,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:13:42,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:42,329 INFO L87 Difference]: Start difference. First operand 2188 states and 3165 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:13:42,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:42,568 INFO L93 Difference]: Finished difference Result 2190 states and 3166 transitions. [2022-12-14 03:13:42,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:13:42,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-12-14 03:13:42,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:42,579 INFO L225 Difference]: With dead ends: 2190 [2022-12-14 03:13:42,579 INFO L226 Difference]: Without dead ends: 2187 [2022-12-14 03:13:42,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 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 03:13:42,581 INFO L413 NwaCegarLoop]: 3162 mSDtfsCounter, 3148 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 3162 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:42,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 3162 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 03:13:42,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2022-12-14 03:13:42,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2187. [2022-12-14 03:13:42,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2187 states, 1514 states have (on average 1.3394980184940555) internal successors, (2028), 1555 states have internal predecessors, (2028), 569 states have call successors, (569), 104 states have call predecessors, (569), 103 states have return successors, (566), 561 states have call predecessors, (566), 566 states have call successors, (566) [2022-12-14 03:13:42,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 3163 transitions. [2022-12-14 03:13:42,687 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 3163 transitions. Word has length 18 [2022-12-14 03:13:42,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:42,687 INFO L495 AbstractCegarLoop]: Abstraction has 2187 states and 3163 transitions. [2022-12-14 03:13:42,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:13:42,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 3163 transitions. [2022-12-14 03:13:42,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 03:13:42,688 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:42,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:13:42,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-14 03:13:42,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:42,889 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:42,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:42,889 INFO L85 PathProgramCache]: Analyzing trace with hash -369301865, now seen corresponding path program 1 times [2022-12-14 03:13:42,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 03:13:42,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959556327] [2022-12-14 03:13:42,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:42,890 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:42,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 03:13:42,891 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 03:13:42,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-14 03:13:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:43,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 03:13:43,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:13:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:13:43,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:13:43,348 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 03:13:43,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959556327] [2022-12-14 03:13:43,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959556327] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:43,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:43,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:13:43,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352253838] [2022-12-14 03:13:43,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:43,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:13:43,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 03:13:43,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:13:43,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:43,351 INFO L87 Difference]: Start difference. First operand 2187 states and 3163 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:13:43,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:43,654 INFO L93 Difference]: Finished difference Result 4958 states and 7106 transitions. [2022-12-14 03:13:43,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:13:43,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-12-14 03:13:43,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:43,665 INFO L225 Difference]: With dead ends: 4958 [2022-12-14 03:13:43,665 INFO L226 Difference]: Without dead ends: 2773 [2022-12-14 03:13:43,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 03:13:43,673 INFO L413 NwaCegarLoop]: 3554 mSDtfsCounter, 1198 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 6256 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:43,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 6256 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 03:13:43,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2022-12-14 03:13:43,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2770. [2022-12-14 03:13:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 1912 states have (on average 1.3216527196652719) internal successors, (2527), 1972 states have internal predecessors, (2527), 688 states have call successors, (688), 172 states have call predecessors, (688), 169 states have return successors, (693), 667 states have call predecessors, (693), 679 states have call successors, (693) [2022-12-14 03:13:43,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3908 transitions. [2022-12-14 03:13:43,829 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3908 transitions. Word has length 19 [2022-12-14 03:13:43,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:43,829 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3908 transitions. [2022-12-14 03:13:43,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-14 03:13:43,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3908 transitions. [2022-12-14 03:13:43,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 03:13:43,831 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:43,832 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 03:13:43,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-14 03:13:44,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:44,032 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:44,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:44,033 INFO L85 PathProgramCache]: Analyzing trace with hash 393489938, now seen corresponding path program 1 times [2022-12-14 03:13:44,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 03:13:44,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427918040] [2022-12-14 03:13:44,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:44,034 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:44,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 03:13:44,035 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 03:13:44,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 03:13:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:44,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 03:13:44,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:13:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 03:13:44,606 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:13:44,606 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 03:13:44,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427918040] [2022-12-14 03:13:44,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427918040] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:44,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:44,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:13:44,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612232448] [2022-12-14 03:13:44,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:44,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:13:44,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 03:13:44,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:13:44,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:44,609 INFO L87 Difference]: Start difference. First operand 2770 states and 3908 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 03:13:44,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:44,881 INFO L93 Difference]: Finished difference Result 5549 states and 7834 transitions. [2022-12-14 03:13:44,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:13:44,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2022-12-14 03:13:44,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:44,892 INFO L225 Difference]: With dead ends: 5549 [2022-12-14 03:13:44,892 INFO L226 Difference]: Without dead ends: 2790 [2022-12-14 03:13:44,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 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 03:13:44,900 INFO L413 NwaCegarLoop]: 3145 mSDtfsCounter, 43 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 6236 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:44,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 6236 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 03:13:44,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2022-12-14 03:13:45,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2790. [2022-12-14 03:13:45,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 1928 states have (on average 1.3215767634854771) internal successors, (2548), 1988 states have internal predecessors, (2548), 692 states have call successors, (692), 172 states have call predecessors, (692), 169 states have return successors, (697), 671 states have call predecessors, (697), 683 states have call successors, (697) [2022-12-14 03:13:45,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3937 transitions. [2022-12-14 03:13:45,064 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3937 transitions. Word has length 55 [2022-12-14 03:13:45,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:45,064 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3937 transitions. [2022-12-14 03:13:45,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 03:13:45,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3937 transitions. [2022-12-14 03:13:45,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 03:13:45,066 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:45,066 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 03:13:45,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-14 03:13:45,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:45,267 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:45,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:45,267 INFO L85 PathProgramCache]: Analyzing trace with hash -742912640, now seen corresponding path program 1 times [2022-12-14 03:13:45,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 03:13:45,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [623874218] [2022-12-14 03:13:45,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:45,268 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:45,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 03:13:45,269 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 03:13:45,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-14 03:13:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:45,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 03:13:45,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:13:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 03:13:45,715 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:13:45,715 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 03:13:45,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [623874218] [2022-12-14 03:13:45,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [623874218] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:45,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:45,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:13:45,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747248203] [2022-12-14 03:13:45,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:45,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:13:45,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 03:13:45,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:13:45,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:45,717 INFO L87 Difference]: Start difference. First operand 2790 states and 3937 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 03:13:45,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:45,998 INFO L93 Difference]: Finished difference Result 5571 states and 7929 transitions. [2022-12-14 03:13:45,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:13:45,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 57 [2022-12-14 03:13:45,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:46,011 INFO L225 Difference]: With dead ends: 5571 [2022-12-14 03:13:46,011 INFO L226 Difference]: Without dead ends: 2792 [2022-12-14 03:13:46,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 03:13:46,022 INFO L413 NwaCegarLoop]: 3140 mSDtfsCounter, 0 mSDsluCounter, 3133 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6273 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:46,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6273 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 03:13:46,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2792 states. [2022-12-14 03:13:46,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2792 to 2790. [2022-12-14 03:13:46,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 1928 states have (on average 1.3184647302904564) internal successors, (2542), 1988 states have internal predecessors, (2542), 692 states have call successors, (692), 172 states have call predecessors, (692), 169 states have return successors, (697), 671 states have call predecessors, (697), 683 states have call successors, (697) [2022-12-14 03:13:46,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3931 transitions. [2022-12-14 03:13:46,171 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3931 transitions. Word has length 57 [2022-12-14 03:13:46,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:46,171 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3931 transitions. [2022-12-14 03:13:46,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 03:13:46,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3931 transitions. [2022-12-14 03:13:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 03:13:46,173 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:46,173 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 03:13:46,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-14 03:13:46,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:46,374 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:46,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:46,374 INFO L85 PathProgramCache]: Analyzing trace with hash -64168537, now seen corresponding path program 1 times [2022-12-14 03:13:46,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 03:13:46,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019736301] [2022-12-14 03:13:46,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:46,375 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:46,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 03:13:46,376 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 03:13:46,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-14 03:13:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 03:13:46,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 03:13:46,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 03:13:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 03:13:47,066 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 03:13:47,066 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 03:13:47,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1019736301] [2022-12-14 03:13:47,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1019736301] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 03:13:47,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 03:13:47,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 03:13:47,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171843794] [2022-12-14 03:13:47,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 03:13:47,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 03:13:47,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 03:13:47,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 03:13:47,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 03:13:47,067 INFO L87 Difference]: Start difference. First operand 2790 states and 3931 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 03:13:47,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 03:13:47,282 INFO L93 Difference]: Finished difference Result 4594 states and 6423 transitions. [2022-12-14 03:13:47,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 03:13:47,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 63 [2022-12-14 03:13:47,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 03:13:47,292 INFO L225 Difference]: With dead ends: 4594 [2022-12-14 03:13:47,292 INFO L226 Difference]: Without dead ends: 2316 [2022-12-14 03:13:47,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 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 03:13:47,299 INFO L413 NwaCegarLoop]: 3045 mSDtfsCounter, 2130 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2130 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 03:13:47,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2130 Valid, 4044 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 03:13:47,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2022-12-14 03:13:47,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 2316. [2022-12-14 03:13:47,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2316 states, 1607 states have (on average 1.3067828251400124) internal successors, (2100), 1652 states have internal predecessors, (2100), 551 states have call successors, (551), 161 states have call predecessors, (551), 157 states have return successors, (538), 531 states have call predecessors, (538), 538 states have call successors, (538) [2022-12-14 03:13:47,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 2316 states and 3189 transitions. [2022-12-14 03:13:47,425 INFO L78 Accepts]: Start accepts. Automaton has 2316 states and 3189 transitions. Word has length 63 [2022-12-14 03:13:47,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 03:13:47,425 INFO L495 AbstractCegarLoop]: Abstraction has 2316 states and 3189 transitions. [2022-12-14 03:13:47,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 03:13:47,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 3189 transitions. [2022-12-14 03:13:47,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 03:13:47,428 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 03:13:47,428 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-14 03:13:47,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-14 03:13:47,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:47,629 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 03:13:47,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 03:13:47,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1064965082, now seen corresponding path program 1 times [2022-12-14 03:13:47,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 03:13:47,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759288436] [2022-12-14 03:13:47,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 03:13:47,630 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:47,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 03:13:47,631 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 03:13:47,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-14 03:13:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 03:13:52,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 03:13:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 03:13:57,788 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-12-14 03:13:57,788 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 03:13:57,789 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 03:13:57,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-14 03:13:57,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 03:13:58,000 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 03:13:58,010 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 03:13:58,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:13:58 BoogieIcfgContainer [2022-12-14 03:13:58,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 03:13:58,075 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 03:13:58,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 03:13:58,076 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 03:13:58,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:13:39" (3/4) ... [2022-12-14 03:13:58,078 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 03:13:58,078 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 03:13:58,079 INFO L158 Benchmark]: Toolchain (without parser) took 70981.93ms. Allocated memory was 73.4MB in the beginning and 427.8MB in the end (delta: 354.4MB). Free memory was 37.9MB in the beginning and 114.0MB in the end (delta: -76.1MB). Peak memory consumption was 280.6MB. Max. memory is 16.1GB. [2022-12-14 03:13:58,079 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:13:58,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2689.71ms. Allocated memory was 73.4MB in the beginning and 134.2MB in the end (delta: 60.8MB). Free memory was 37.7MB in the beginning and 49.8MB in the end (delta: -12.1MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2022-12-14 03:13:58,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 196.57ms. Allocated memory was 134.2MB in the beginning and 237.0MB in the end (delta: 102.8MB). Free memory was 49.8MB in the beginning and 146.9MB in the end (delta: -97.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-12-14 03:13:58,080 INFO L158 Benchmark]: Boogie Preprocessor took 212.59ms. Allocated memory is still 237.0MB. Free memory was 146.9MB in the beginning and 108.1MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-14 03:13:58,080 INFO L158 Benchmark]: RCFGBuilder took 49031.70ms. Allocated memory is still 237.0MB. Free memory was 108.1MB in the beginning and 81.1MB in the end (delta: 27.0MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2022-12-14 03:13:58,080 INFO L158 Benchmark]: TraceAbstraction took 18843.69ms. Allocated memory was 237.0MB in the beginning and 427.8MB in the end (delta: 190.8MB). Free memory was 81.1MB in the beginning and 114.0MB in the end (delta: -32.9MB). Peak memory consumption was 159.0MB. Max. memory is 16.1GB. [2022-12-14 03:13:58,080 INFO L158 Benchmark]: Witness Printer took 2.98ms. Allocated memory is still 427.8MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 03:13:58,081 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2689.71ms. Allocated memory was 73.4MB in the beginning and 134.2MB in the end (delta: 60.8MB). Free memory was 37.7MB in the beginning and 49.8MB in the end (delta: -12.1MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 196.57ms. Allocated memory was 134.2MB in the beginning and 237.0MB in the end (delta: 102.8MB). Free memory was 49.8MB in the beginning and 146.9MB in the end (delta: -97.1MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 212.59ms. Allocated memory is still 237.0MB. Free memory was 146.9MB in the beginning and 108.1MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * RCFGBuilder took 49031.70ms. Allocated memory is still 237.0MB. Free memory was 108.1MB in the beginning and 81.1MB in the end (delta: 27.0MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18843.69ms. Allocated memory was 237.0MB in the beginning and 427.8MB in the end (delta: 190.8MB). Free memory was 81.1MB in the beginning and 114.0MB in the end (delta: -32.9MB). Peak memory consumption was 159.0MB. Max. memory is 16.1GB. * Witness Printer took 2.98ms. Allocated memory is still 427.8MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10595. Possible FailurePath: [L5971] static unsigned int vhost_zcopy_mask ; [L9348] static int experimental_zcopytx ; [L10590-L10593] static struct file_operations const vhost_net_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_net_ioctl, & vhost_net_compat_ioctl, 0, & vhost_net_open, 0, & vhost_net_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10594-L10595] static struct miscdevice vhost_net_misc = {238, "vhost-net", & vhost_net_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L10620] int LDV_IN_INTERRUPT ; [L11002] static int ldv_mutex_cred_guard_mutex ; [L11109] static int ldv_mutex_lock ; [L11216] static int ldv_mutex_mtx ; [L11323] static int ldv_mutex_mutex ; VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10623] struct inode *var_group1 ; [L10624] struct file *var_group2 ; [L10625] unsigned int var_vhost_net_ioctl_27_p1 ; [L10626] unsigned long var_vhost_net_ioctl_27_p2 ; [L10627] unsigned int var_vhost_net_compat_ioctl_28_p1 ; [L10628] unsigned long var_vhost_net_compat_ioctl_28_p2 ; [L10629] int res_vhost_net_open_13 ; [L10630] int ldv_s_vhost_net_fops_file_operations ; [L10631] int tmp ; [L10632] int tmp___0 ; [L10633] int tmp___1 ; [L10635] ldv_s_vhost_net_fops_file_operations = 0 [L10636] LDV_IN_INTERRUPT = 1 [L10637] CALL ldv_initialize() [L11433] ldv_mutex_cred_guard_mutex = 1 [L11434] ldv_mutex_lock = 1 [L11435] ldv_mutex_mtx = 1 [L11436] ldv_mutex_mutex = 1 VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10637] RET ldv_initialize() [L10638] FCALL ldv_handler_precall() VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] CALL, EXPR vhost_net_init() [L10598] int tmp ; VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10600] COND FALSE !(experimental_zcopytx != 0) VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10604] CALL, EXPR misc_register(& vhost_net_misc) [L11595] return __VERIFIER_nondet_int(); [L10604] RET, EXPR misc_register(& vhost_net_misc) [L10604] tmp = misc_register(& vhost_net_misc) [L10605] return (tmp); VAL [\result=0, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] RET, EXPR vhost_net_init() [L10639] tmp = vhost_net_init() [L10640] COND FALSE !(tmp != 0) VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10682] tmp___1 = __VERIFIER_nondet_int() [L10683] COND TRUE tmp___1 != 0 || ldv_s_vhost_net_fops_file_operations != 0 VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___1=-2147483648, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10646] tmp___0 = __VERIFIER_nondet_int() [L10648] case 0: [L10661] case 1: [L10669] case 2: VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=2, tmp___1=-2147483648, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10670] FCALL ldv_handler_precall() VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=2, tmp___1=-2147483648, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10671] CALL vhost_net_ioctl(var_group2, var_vhost_net_ioctl_27_p1, var_vhost_net_ioctl_27_p2) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10521] struct vhost_net *n ; [L10522] void *argp ; [L10523] u64 *featurep ; [L10524] struct vhost_vring_file backend ; [L10525] u64 features ; [L10526] int r ; [L10527] unsigned long tmp ; [L10528] long tmp___0 ; [L10529] int tmp___1 ; [L10530] unsigned long tmp___2 ; [L10531] int tmp___3 ; [L10532] long tmp___4 ; [L10533] long tmp___5 ; [L10535] EXPR f->private_data [L10535] n = (struct vhost_net *)f->private_data [L10536] argp = (void *)arg [L10537] featurep = (u64 *)argp [L10539] case 1074310960U: [L10547] case 2148052736U: [L10555] case 1074310912U: [L10567] case 44802U: [L10568] CALL vhost_net_reset_owner(n) [L10445] struct socket *tx_sock ; [L10446] struct socket *rx_sock ; [L10447] long err ; [L10449] tx_sock = 0 [L10450] rx_sock = 0 [L10451] CALL ldv_mutex_lock_66(& n->dev.mutex) [L10919] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={299092953661440:36028797018947664}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND TRUE ldv_mutex_mutex == 1 VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={299092953661440:36028797018947664}, lock={299092953661440:36028797018947664}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11365] ldv_mutex_mutex = 2 VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={299092953661440:36028797018947664}, lock={299092953661440:36028797018947664}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10919] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, ldv_func_arg1={299092953661440:36028797018947664}, ldv_func_arg1={299092953661440:36028797018947664}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10920] FCALL mutex_lock(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, ldv_func_arg1={299092953661440:36028797018947664}, ldv_func_arg1={299092953661440:36028797018947664}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10451] RET ldv_mutex_lock_66(& n->dev.mutex) [L10452] CALL, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, dev={299092953661440:36028797018947648}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6410] struct task_struct *tmp ; VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, dev={299092953661440:36028797018947648}, dev={299092953661440:36028797018947648}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] CALL, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5283] struct task_struct *pfo_ret__ ; [L5286] case 1UL: [L5289] case 2UL: [L5292] case 4UL: [L5295] case 8UL: VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5302] return (pfo_ret__); VAL [\old(ldv_mutex_mutex)=1, \result={0:1024}, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, pfo_ret__={0:1024}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] RET, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, dev={299092953661440:36028797018947648}, dev={299092953661440:36028797018947648}, experimental_zcopytx=0, get_current()={0:1024}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] tmp = get_current() [L6413] EXPR dev->mm [L6413] EXPR tmp->mm [L6413] return ((unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L); [L10452] RET, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={299092953661440:36028797018947648}, n={299092953661440:36028797018947648}, rx_sock={254:0}, tx_sock={217:0}, vhost_dev_check_owner(& n->dev)=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10452] err = vhost_dev_check_owner(& n->dev) [L10453] COND FALSE !(err != 0L) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, err=0, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={299092953661440:36028797018947648}, n={299092953661440:36028797018947648}, rx_sock={254:0}, tx_sock={217:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10457] CALL vhost_net_stop(n, & tx_sock, & rx_sock) VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={299092953661440:36028797018947648}, rx_sock={254:0}, tx_sock={217:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10183] CALL vhost_net_stop_vq(n, (struct vhost_virtqueue *)(& n->vqs) + 1UL) VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={299092953661440:36028797018947648}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, vq={299092953661440:36028797018965064}] [L10155] struct socket *sock ; [L10156] bool __warned ; [L10157] int tmp ; [L10158] int tmp___0 ; [L10160] CALL ldv_mutex_lock_56(& vq->mutex) [L10839] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={299092953661440:36028797018965072}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND FALSE !(ldv_mutex_mutex == 1) VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={299092953661440:36028797018965072}, lock={299092953661440:36028797018965072}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11363] CALL ldv_error() VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10992] reach_error() VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 105 procedures, 2200 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.7s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12851 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12836 mSDsluCounter, 32313 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9925 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 22388 mSDtfsCounter, 37 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2790occurred in iteration=5, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 429 SizeOfPredicates, 1 NumberOfNonLiveVariables, 4343 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 03:13:58,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b06be1f-8e0b-434f-b30d-50e0c28d3bb4/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample