./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-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_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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_10112252-a5c7-4717-8544-9f5e21603ea7/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 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 --- 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 14:21:29,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:21:29,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:21:29,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:21:29,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:21:29,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:21:29,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:21:29,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:21:29,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:21:29,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:21:29,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:21:29,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:21:29,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:21:29,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:21:29,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:21:29,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:21:29,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:21:29,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:21:29,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:21:29,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:21:29,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:21:29,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:21:29,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:21:29,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:21:29,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:21:29,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:21:29,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:21:29,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:21:29,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:21:29,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:21:29,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:21:29,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:21:29,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:21:29,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:21:29,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:21:29,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:21:29,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:21:29,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:21:29,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:21:29,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:21:29,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:21:29,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 14:21:29,820 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:21:29,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:21:29,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:21:29,821 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:21:29,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:21:29,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:21:29,822 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:21:29,822 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:21:29,822 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:21:29,823 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:21:29,823 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:21:29,823 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:21:29,823 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:21:29,823 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:21:29,823 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:21:29,824 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:21:29,824 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:21:29,824 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:21:29,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:21:29,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:21:29,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:21:29,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:21:29,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:21:29,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:21:29,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:21:29,826 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:21:29,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:21:29,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:21:29,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:21:29,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:21:29,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:21:29,828 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:21:29,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:21:29,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:21:29,828 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:21:29,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:21:29,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:21:29,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:21:29,829 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_10112252-a5c7-4717-8544-9f5e21603ea7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 [2022-12-14 14:21:30,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:21:30,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:21:30,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:21:30,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:21:30,028 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:21:30,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-12-14 14:21:32,534 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:21:33,029 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:21:33,030 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-12-14 14:21:33,079 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/data/ffbfdc147/703a18aea7534e109d6152e7a84f5aeb/FLAG6a997a5ce [2022-12-14 14:21:33,091 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/data/ffbfdc147/703a18aea7534e109d6152e7a84f5aeb [2022-12-14 14:21:33,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:21:33,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:21:33,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:21:33,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:21:33,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:21:33,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:21:33" (1/1) ... [2022-12-14 14:21:33,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598fa3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:33, skipping insertion in model container [2022-12-14 14:21:33,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:21:33" (1/1) ... [2022-12-14 14:21:33,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:21:33,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:21:33,616 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-12-14 14:21:33,650 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 14:21:33,670 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 14:21:33,691 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:21:34,212 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:21:34,253 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 14:21:34,258 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 14:21:34,263 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 14:21:34,267 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 14:21:34,272 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 14:21:34,321 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-14 14:21:34,333 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 14:21:34,337 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 14:21:34,346 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:34,346 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:21:34,347 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 14:21:34,347 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:21:34,353 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:34,353 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:21:34,353 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:34,358 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:34,358 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:21:34,359 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:34,385 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:21:34,593 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:34,593 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 14:21:34,594 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 14:21:34,594 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 14:21:34,599 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:34,599 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 14:21:34,604 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:34,610 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:34,843 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:34,852 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 14:21:34,859 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:21:34,861 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 14:21:34,871 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 14:21:34,872 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:21:34,872 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:21:34,873 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:21:34,874 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:21:34,885 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-14 14:21:34,886 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:21:34,887 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:21:34,887 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 14:21:34,888 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:21:34,889 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:21:34,889 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-14 14:21:34,894 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:34,894 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:34,894 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:34,895 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:34,908 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:21:34,909 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:21:34,910 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:21:34,917 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-14 14:21:34,927 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-14 14:21:34,927 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 14:21:34,928 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:21:34,928 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 14:21:34,929 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 14:21:34,933 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:21:34,934 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:21:34,935 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:21:34,935 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:21:34,936 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:21:34,937 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:21:34,937 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:21:34,938 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:34,938 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:21:34,938 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:34,939 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:34,939 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:21:34,940 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 14:21:34,940 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 14:21:34,973 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:34,973 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:21:34,974 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:34,979 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:34,979 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:21:34,980 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:34,987 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:34,988 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:34,988 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:34,988 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:21:34,988 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:34,989 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:34,994 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:34,999 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:21:35,000 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:21:35,001 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:21:35,002 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:21:35,003 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:21:35,004 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:21:35,004 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:21:35,007 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:35,008 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:21:35,009 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:21:35,010 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:21:35,010 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:21:35,020 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 14:21:35,021 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-14 14:21:35,021 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:21:35,028 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,033 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:21:35,034 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,039 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:21:35,040 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,041 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:35,046 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:35,047 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:35,059 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,060 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,061 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,061 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,062 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,063 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,064 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,064 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,064 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-14 14:21:35,065 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,066 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,067 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,067 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,068 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,069 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,071 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,073 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:21:35,074 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,074 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,075 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,076 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,077 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:21:35,078 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,078 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,079 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,080 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,081 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,081 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,082 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,083 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,085 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,086 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,086 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,087 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,088 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,089 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,090 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,092 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:21:35,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,093 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,093 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:21:35,094 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,094 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,095 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:21:35,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,096 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,097 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,103 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,103 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,105 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:35,106 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,107 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,107 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,113 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:21:35,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,114 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,115 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:35,116 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,116 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,117 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,119 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,119 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,120 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,121 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,121 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:21:35,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,122 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,124 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,124 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,129 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:21:35,130 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:21:35,131 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 14:21:35,132 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:21:35,132 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:21:35,132 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,152 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-12-14 14:21:35,153 WARN L623 FunctionHandler]: Unknown extern function fc_get_fabric_proto_ident [2022-12-14 14:21:35,153 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_fabric_proto_ident [2022-12-14 14:21:35,153 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,154 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-12-14 14:21:35,172 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-12-14 14:21:35,172 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id [2022-12-14 14:21:35,173 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id [2022-12-14 14:21:35,173 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,174 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-12-14 14:21:35,179 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-12-14 14:21:35,179 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id_len [2022-12-14 14:21:35,179 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id_len [2022-12-14 14:21:35,179 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,180 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-12-14 14:21:35,185 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-12-14 14:21:35,185 WARN L623 FunctionHandler]: Unknown extern function fc_parse_pr_out_transport_id [2022-12-14 14:21:35,186 WARN L623 FunctionHandler]: Unknown extern function iscsi_parse_pr_out_transport_id [2022-12-14 14:21:35,186 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,186 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-12-14 14:21:35,191 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,196 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,221 WARN L623 FunctionHandler]: Unknown extern function target_execute_cmd [2022-12-14 14:21:35,257 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-14 14:21:35,258 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:21:35,258 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,258 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,263 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:21:35,268 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,269 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,274 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,275 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,280 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 14:21:35,281 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:21:35,287 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,288 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 14:21:35,288 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,289 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:21:35,289 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,294 WARN L623 FunctionHandler]: Unknown extern function target_submit_cmd_map_sgls [2022-12-14 14:21:35,295 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-12-14 14:21:35,295 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-14 14:21:35,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,302 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,303 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,303 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,304 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,304 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,305 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,306 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,306 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,307 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,308 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,309 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,309 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,310 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,311 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,312 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,312 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,313 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,314 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,315 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,315 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:21:35,315 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:21:35,315 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-12-14 14:21:35,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,326 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,348 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:21:35,350 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,356 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,387 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 14:21:35,393 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:21:35,417 WARN L623 FunctionHandler]: Unknown extern function core_tpg_add_initiator_node_acl [2022-12-14 14:21:35,423 WARN L623 FunctionHandler]: Unknown extern function core_tpg_del_initiator_node_acl [2022-12-14 14:21:35,423 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,431 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,431 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,431 WARN L623 FunctionHandler]: Unknown extern function transport_init_session [2022-12-14 14:21:35,432 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,432 WARN L623 FunctionHandler]: Unknown extern function core_tpg_check_initiator_node_acl [2022-12-14 14:21:35,433 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,433 WARN L623 FunctionHandler]: Unknown extern function transport_free_session [2022-12-14 14:21:35,433 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,433 WARN L623 FunctionHandler]: Unknown extern function __transport_register_session [2022-12-14 14:21:35,439 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,440 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,441 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,441 WARN L623 FunctionHandler]: Unknown extern function transport_deregister_session [2022-12-14 14:21:35,441 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,453 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 14:21:35,455 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,455 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:35,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,456 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:35,457 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,458 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:35,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,466 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:35,467 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,467 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:21:35,467 WARN L623 FunctionHandler]: Unknown extern function core_tpg_register [2022-12-14 14:21:35,468 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,473 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:21:35,474 WARN L623 FunctionHandler]: Unknown extern function core_tpg_deregister [2022-12-14 14:21:35,474 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,479 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:35,480 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:35,480 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:35,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,481 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,482 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,482 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,483 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,489 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,489 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,494 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 14:21:35,502 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,502 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_init [2022-12-14 14:21:35,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,504 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_register [2022-12-14 14:21:35,504 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:35,505 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,510 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_deregister [2022-12-14 14:21:35,511 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,527 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 14:21:35,528 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:21:35,533 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:21:35,554 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,555 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,555 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 14:21:35,556 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,556 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,556 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,557 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,557 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,557 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,557 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,558 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,558 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,558 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,558 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,559 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,559 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,559 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,559 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,560 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,560 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,560 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,560 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,561 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,561 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,561 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,561 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,562 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,562 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,562 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,562 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,563 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,563 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,563 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,563 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,564 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,564 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,564 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,565 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,565 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,565 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:35,566 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,566 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,567 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,567 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,567 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,567 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,567 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,568 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,568 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,568 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 14:21:35,568 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,569 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,569 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,569 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,569 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,570 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,570 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,570 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,570 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,571 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,571 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,571 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,571 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,572 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,572 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,572 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,572 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,572 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,573 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,573 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,575 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,575 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,575 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,576 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,576 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,576 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,577 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,577 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,577 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,578 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,578 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,578 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,579 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,579 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,579 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,579 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,580 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,580 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,580 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,581 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,581 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,581 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,582 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,582 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,582 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,583 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,583 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,583 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,584 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,584 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:35,584 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:35,590 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_10112252-a5c7-4717-8544-9f5e21603ea7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-12-14 14:21:35,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:21:35,775 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:21:35,863 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-12-14 14:21:35,863 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 14:21:35,863 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 14:21:35,864 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:21:35,866 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:21:35,867 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 14:21:35,867 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 14:21:35,867 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 14:21:35,867 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 14:21:35,867 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 14:21:35,868 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-14 14:21:35,868 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 14:21:35,869 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 14:21:35,869 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:35,869 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:21:35,869 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 14:21:35,869 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:21:35,870 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:35,870 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:21:35,870 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:35,870 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:35,870 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:21:35,871 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:35,871 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:21:35,877 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:35,877 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 14:21:35,877 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 14:21:35,878 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 14:21:35,878 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:35,878 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 14:21:35,878 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:35,879 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:35,882 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:35,883 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 14:21:35,884 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:21:35,889 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 14:21:35,890 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 14:21:35,890 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:21:35,890 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:21:35,893 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:21:35,894 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:21:35,897 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-14 14:21:35,898 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:21:35,898 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:21:35,898 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 14:21:35,899 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:21:35,899 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:21:35,899 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-14 14:21:35,899 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,900 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,900 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,900 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,930 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:21:35,931 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:21:35,933 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:21:35,935 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-14 14:21:35,936 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-14 14:21:35,937 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 14:21:35,937 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:21:35,937 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 14:21:35,938 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 14:21:35,941 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:21:35,942 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:21:35,942 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:21:35,942 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:21:35,943 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:21:35,943 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:21:35,943 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:21:35,943 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:35,944 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:21:35,944 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:35,944 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,944 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:21:35,945 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 14:21:35,945 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 14:21:35,948 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:35,948 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:21:35,948 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:35,949 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:35,949 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:21:35,949 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:35,955 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,956 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,956 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:35,956 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:21:35,957 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:35,957 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:35,958 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:35,963 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:21:35,964 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:21:35,964 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:21:35,965 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:21:35,965 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:21:35,966 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:21:35,966 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:21:35,968 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:35,968 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:21:35,969 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:21:35,969 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:21:35,970 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:21:35,971 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 14:21:35,971 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-14 14:21:35,971 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:21:35,973 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,974 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:21:35,974 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,975 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:21:35,975 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,976 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:35,977 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:21:35,977 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:21:35,980 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,980 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,981 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,981 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,982 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,983 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,984 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,984 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,985 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-14 14:21:35,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,986 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,986 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,987 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,988 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,989 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,989 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,991 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:21:35,992 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,992 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,993 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,993 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,994 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:21:35,994 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,995 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,995 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,996 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,997 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,997 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,998 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,998 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:35,999 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:35,999 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,000 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,000 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,001 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,001 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,002 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,003 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,005 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:21:36,005 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,006 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,006 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:21:36,006 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,007 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,007 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:21:36,007 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,008 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,008 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,009 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,010 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,012 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:36,013 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,013 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,014 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,015 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:21:36,016 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,016 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,016 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:21:36,017 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,017 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,018 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,019 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,019 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,020 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,020 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,021 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:21:36,021 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,021 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,022 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,023 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,023 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:21:36,024 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:21:36,025 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 14:21:36,025 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:21:36,025 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:21:36,025 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,028 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-12-14 14:21:36,028 WARN L623 FunctionHandler]: Unknown extern function fc_get_fabric_proto_ident [2022-12-14 14:21:36,028 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_fabric_proto_ident [2022-12-14 14:21:36,029 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,029 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-12-14 14:21:36,030 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-12-14 14:21:36,030 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id [2022-12-14 14:21:36,030 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id [2022-12-14 14:21:36,030 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,031 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-12-14 14:21:36,031 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-12-14 14:21:36,032 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id_len [2022-12-14 14:21:36,032 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id_len [2022-12-14 14:21:36,032 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,032 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-12-14 14:21:36,033 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-12-14 14:21:36,033 WARN L623 FunctionHandler]: Unknown extern function fc_parse_pr_out_transport_id [2022-12-14 14:21:36,033 WARN L623 FunctionHandler]: Unknown extern function iscsi_parse_pr_out_transport_id [2022-12-14 14:21:36,033 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,033 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-12-14 14:21:36,034 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,034 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,034 WARN L623 FunctionHandler]: Unknown extern function target_execute_cmd [2022-12-14 14:21:36,037 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-14 14:21:36,038 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:21:36,038 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,038 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,039 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:21:36,040 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,041 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,042 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,043 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 14:21:36,044 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:21:36,045 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,046 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 14:21:36,046 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,047 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:21:36,047 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,048 WARN L623 FunctionHandler]: Unknown extern function target_submit_cmd_map_sgls [2022-12-14 14:21:36,049 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-12-14 14:21:36,049 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-14 14:21:36,050 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,051 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,052 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,052 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,053 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,053 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,054 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,054 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,054 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,055 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,055 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,056 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,056 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,057 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,059 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,060 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,061 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,061 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,062 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,063 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,063 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:21:36,063 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:21:36,063 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:21:36,064 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-12-14 14:21:36,065 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,066 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,071 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,072 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:21:36,073 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,074 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,077 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 14:21:36,077 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:21:36,079 WARN L623 FunctionHandler]: Unknown extern function core_tpg_add_initiator_node_acl [2022-12-14 14:21:36,080 WARN L623 FunctionHandler]: Unknown extern function core_tpg_del_initiator_node_acl [2022-12-14 14:21:36,081 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,093 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,093 WARN L623 FunctionHandler]: Unknown extern function transport_init_session [2022-12-14 14:21:36,093 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,093 WARN L623 FunctionHandler]: Unknown extern function core_tpg_check_initiator_node_acl [2022-12-14 14:21:36,094 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,094 WARN L623 FunctionHandler]: Unknown extern function transport_free_session [2022-12-14 14:21:36,094 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,094 WARN L623 FunctionHandler]: Unknown extern function __transport_register_session [2022-12-14 14:21:36,095 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,096 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,097 WARN L623 FunctionHandler]: Unknown extern function transport_deregister_session [2022-12-14 14:21:36,097 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,098 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 14:21:36,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,099 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:36,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,100 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:36,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,101 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:36,101 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,102 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,103 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:36,104 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,104 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:21:36,104 WARN L623 FunctionHandler]: Unknown extern function core_tpg_register [2022-12-14 14:21:36,104 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,105 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:21:36,105 WARN L623 FunctionHandler]: Unknown extern function core_tpg_deregister [2022-12-14 14:21:36,105 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,106 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,106 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:36,106 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:36,107 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:21:36,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,107 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,107 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,108 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,109 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,109 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:21:36,109 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 14:21:36,111 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,111 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_init [2022-12-14 14:21:36,112 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,114 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_register [2022-12-14 14:21:36,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:21:36,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,115 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_deregister [2022-12-14 14:21:36,115 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:21:36,116 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 14:21:36,116 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:21:36,116 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:21:36,117 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,117 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,117 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 14:21:36,118 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,118 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,118 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,118 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,118 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,118 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,118 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,118 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,119 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,119 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,119 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,119 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,119 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,119 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,119 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,119 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,120 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,120 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,120 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,120 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,120 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,120 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,120 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,120 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,121 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,121 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,121 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,121 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,121 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,122 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,122 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,122 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,122 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,122 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,122 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,123 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,123 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:21:36,123 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,123 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,123 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,124 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,124 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,124 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,124 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,124 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,124 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,124 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 14:21:36,125 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,125 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,125 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,125 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,125 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,125 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,126 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,126 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,126 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,126 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,126 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,126 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,126 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,126 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,127 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,127 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,127 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,127 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,127 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,127 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,127 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,128 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,128 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,128 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,128 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,128 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,128 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,129 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,129 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,129 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,129 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,129 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,129 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,130 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,130 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,130 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,130 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,130 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,131 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,131 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,131 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,131 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,131 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,131 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,132 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,132 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,132 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,132 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,132 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,133 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,133 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,133 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,133 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,133 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,134 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,134 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,134 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:21:36,134 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:21:36,134 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_10112252-a5c7-4717-8544-9f5e21603ea7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-12-14 14:21:36,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:21:36,225 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:21:36,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36 WrapperNode [2022-12-14 14:21:36,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:21:36,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:21:36,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:21:36,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:21:36,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36" (1/1) ... [2022-12-14 14:21:36,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36" (1/1) ... [2022-12-14 14:21:36,460 INFO L138 Inliner]: procedures = 445, calls = 3488, calls flagged for inlining = 226, calls inlined = 196, statements flattened = 7816 [2022-12-14 14:21:36,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:21:36,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:21:36,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:21:36,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:21:36,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36" (1/1) ... [2022-12-14 14:21:36,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36" (1/1) ... [2022-12-14 14:21:36,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36" (1/1) ... [2022-12-14 14:21:36,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36" (1/1) ... [2022-12-14 14:21:36,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36" (1/1) ... [2022-12-14 14:21:36,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36" (1/1) ... [2022-12-14 14:21:36,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36" (1/1) ... [2022-12-14 14:21:36,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36" (1/1) ... [2022-12-14 14:21:36,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:21:36,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:21:36,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:21:36,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:21:36,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36" (1/1) ... [2022-12-14 14:21:36,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:21:36,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:21:36,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:21:36,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:21:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-12-14 14:21:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-12-14 14:21:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-12-14 14:21:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-12-14 14:21:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 14:21:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 14:21:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 14:21:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 14:21:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-12-14 14:21:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_fabric_acl [2022-12-14 14:21:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_fabric_acl [2022-12-14 14:21:36,763 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 14:21:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 14:21:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_access_ok [2022-12-14 14:21:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_access_ok [2022-12-14 14:21:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_close_session [2022-12-14 14:21:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_close_session [2022-12-14 14:21:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-12-14 14:21:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-12-14 14:21:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-12-14 14:21:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:21:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tcm_vhost_mutex [2022-12-14 14:21:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tcm_vhost_mutex [2022-12-14 14:21:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 14:21:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 14:21:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 14:21:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 14:21:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-12-14 14:21:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-12-14 14:21:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-12-14 14:21:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-12-14 14:21:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tpg [2022-12-14 14:21:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tpg [2022-12-14 14:21:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-12-14 14:21:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-12-14 14:21:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-14 14:21:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-14 14:21:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_open [2022-12-14 14:21:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_open [2022-12-14 14:21:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 14:21:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 14:21:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 14:21:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-12-14 14:21:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-12-14 14:21:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-12-14 14:21:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-12-14 14:21:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 14:21:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 14:21:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 14:21:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:21:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 14:21:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 14:21:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-12-14 14:21:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-12-14 14:21:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-12-14 14:21:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 14:21:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 14:21:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd [2022-12-14 14:21:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd [2022-12-14 14:21:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 14:21:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 14:21:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-12-14 14:21:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-12-14 14:21:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-12-14 14:21:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-12-14 14:21:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-12-14 14:21:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-12-14 14:21:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-14 14:21:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-14 14:21:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id [2022-12-14 14:21:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id [2022-12-14 14:21:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tv_tpg_mutex [2022-12-14 14:21:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tv_tpg_mutex [2022-12-14 14:21:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:21:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:21:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:21:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 14:21:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-12-14 14:21:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-12-14 14:21:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:21:36,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:21:36,768 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-14 14:21:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-14 14:21:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-12-14 14:21:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-12-14 14:21:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-12-14 14:21:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-12-14 14:21:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 14:21:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 14:21:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-12-14 14:21:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-12-14 14:21:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-12-14 14:21:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-12-14 14:21:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-12-14 14:21:36,769 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-12-14 14:21:36,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-12-14 14:21:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-12-14 14:21:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-12-14 14:21:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-12-14 14:21:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 14:21:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 14:21:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_alloc_fabric_acl [2022-12-14 14:21:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_alloc_fabric_acl [2022-12-14 14:21:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tcm_vhost_mutex [2022-12-14 14:21:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tcm_vhost_mutex [2022-12-14 14:21:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ioctl [2022-12-14 14:21:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ioctl [2022-12-14 14:21:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 14:21:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 14:21:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:21:36,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:21:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tport [2022-12-14 14:21:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tport [2022-12-14 14:21:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-12-14 14:21:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-12-14 14:21:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 14:21:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 14:21:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-12-14 14:21:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-12-14 14:21:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 14:21:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-12-14 14:21:36,771 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-12-14 14:21:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 14:21:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-12-14 14:21:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-12-14 14:21:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 14:21:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 14:21:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-12-14 14:21:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-12-14 14:21:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-14 14:21:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-14 14:21:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-12-14 14:21:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-12-14 14:21:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 14:21:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 14:21:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 14:21:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 14:21:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 14:21:36,772 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 14:21:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-12-14 14:21:36,773 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-12-14 14:21:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 14:21:36,773 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 14:21:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 14:21:36,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 14:21:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-12-14 14:21:36,773 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-12-14 14:21:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:21:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 14:21:36,773 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 14:21:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-12-14 14:21:36,773 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-12-14 14:21:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:21:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-12-14 14:21:36,774 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-12-14 14:21:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_cmd [2022-12-14 14:21:36,774 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_cmd [2022-12-14 14:21:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_set_default_node_attrs [2022-12-14 14:21:36,774 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_set_default_node_attrs [2022-12-14 14:21:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nexus [2022-12-14 14:21:36,774 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nexus [2022-12-14 14:21:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:21:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-12-14 14:21:36,774 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-12-14 14:21:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 14:21:36,774 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 14:21:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tv_tpg_mutex [2022-12-14 14:21:36,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tv_tpg_mutex [2022-12-14 14:21:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-14 14:21:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-14 14:21:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 14:21:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 14:21:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_fabric_proto_ident [2022-12-14 14:21:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_fabric_proto_ident [2022-12-14 14:21:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-12-14 14:21:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-12-14 14:21:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2022-12-14 14:21:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2022-12-14 14:21:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2022-12-14 14:21:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2022-12-14 14:21:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_deregister [2022-12-14 14:21:36,775 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_deregister [2022-12-14 14:21:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 14:21:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 14:21:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-12-14 14:21:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-12-14 14:21:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_command_size [2022-12-14 14:21:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_command_size [2022-12-14 14:21:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_dump_proto_id [2022-12-14 14:21:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_dump_proto_id [2022-12-14 14:21:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-12-14 14:21:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-12-14 14:21:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 14:21:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 14:21:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:21:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-12-14 14:21:36,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-12-14 14:21:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_clear_endpoint [2022-12-14 14:21:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_clear_endpoint [2022-12-14 14:21:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-12-14 14:21:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-12-14 14:21:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-14 14:21:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-14 14:21:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 14:21:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 14:21:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush_vq [2022-12-14 14:21:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush_vq [2022-12-14 14:21:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-12-14 14:21:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-12-14 14:21:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-12-14 14:21:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-12-14 14:21:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 14:21:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 14:21:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure sas_parse_pr_out_transport_id [2022-12-14 14:21:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_parse_pr_out_transport_id [2022-12-14 14:21:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-12-14 14:21:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-12-14 14:21:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2022-12-14 14:21:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2022-12-14 14:21:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-12-14 14:21:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-12-14 14:21:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-14 14:21:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-14 14:21:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-12-14 14:21:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-12-14 14:21:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-14 14:21:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-14 14:21:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used [2022-12-14 14:21:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used [2022-12-14 14:21:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 14:21:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 14:21:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 14:21:36,778 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 14:21:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-14 14:21:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-14 14:21:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nodeacl [2022-12-14 14:21:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nodeacl [2022-12-14 14:21:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-12-14 14:21:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-12-14 14:21:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_release [2022-12-14 14:21:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_release [2022-12-14 14:21:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-12-14 14:21:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-12-14 14:21:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:21:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id_len [2022-12-14 14:21:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id_len [2022-12-14 14:21:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_port_link [2022-12-14 14:21:36,779 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_port_link [2022-12-14 14:21:37,426 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:21:37,429 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:21:42,518 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume #t~switch210;#res := ~ret~1; [2022-12-14 14:21:42,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume !#t~switch210;#t~switch210 := #t~switch210 || 4 == ~size; [2022-12-14 14:21:42,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume 0 != ~tmp___1~4;#res := ~ret~1; [2022-12-14 14:21:42,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume !(0 != ~tmp___1~4);#res := ~ret~1; [2022-12-14 14:21:42,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449: havoc #t~switch210; [2022-12-14 14:21:42,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7474: SUMMARY for call #t~ret211 := ldv__builtin_expect((if 0 != ~ret~1 then 1 else 0), 0); srcloc: null [2022-12-14 14:21:42,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume #t~switch210; [2022-12-14 14:21:42,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume !#t~switch210;#t~switch210 := #t~switch210 || 16 == ~size; [2022-12-14 14:21:42,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7474-1: assume -9223372036854775808 <= #t~ret211 && #t~ret211 <= 9223372036854775807;~tmp___0~9 := #t~ret211;havoc #t~ret211; [2022-12-14 14:21:42,519 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch210;#res := ~ret~1; [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497-1: ~tmp___2~3 := #t~ret213;havoc #t~ret213;#res := (if ~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then ~tmp___2~3 % 18446744073709551616 % 4294967296 else ~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497: SUMMARY for call #t~ret213 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch210;#t~switch210 := #t~switch210 || 2 == ~size; [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume #t~switch210;#res := ~ret~1; [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume !#t~switch210;#t~switch210 := #t~switch210 || 8 == ~size; [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7487-1: assume -9223372036854775808 <= #t~ret212 && #t~ret212 <= 9223372036854775807;~tmp___1~4 := #t~ret212;havoc #t~ret212; [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7487: SUMMARY for call #t~ret212 := ldv__builtin_expect((if 0 != ~ret~1 then 1 else 0), 0); srcloc: null [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume #t~switch210; [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume !#t~switch210;#t~switch210 := true; [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume 0 != ~tmp___0~9;#res := ~ret~1; [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume !(0 != ~tmp___0~9);#res := ~ret~1; [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume #t~switch210; [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume !#t~switch210; [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume #t~switch210;#res := ~ret~1; [2022-12-14 14:21:42,520 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume !#t~switch210;#t~switch210 := #t~switch210 || 10 == ~size; [2022-12-14 14:21:46,732 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:21:47,670 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:21:47,670 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 14:21:47,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:21:47 BoogieIcfgContainer [2022-12-14 14:21:47,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:21:47,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:21:47,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:21:47,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:21:47,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:21:33" (1/3) ... [2022-12-14 14:21:47,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493d5e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:21:47, skipping insertion in model container [2022-12-14 14:21:47,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:21:36" (2/3) ... [2022-12-14 14:21:47,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@493d5e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:21:47, skipping insertion in model container [2022-12-14 14:21:47,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:21:47" (3/3) ... [2022-12-14 14:21:47,684 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-12-14 14:21:47,698 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:21:47,698 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:21:47,771 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:21:47,777 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;@4ebdcb67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:21:47,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:21:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 1965 states, 1207 states have (on average 1.3413421706710853) internal successors, (1619), 1257 states have internal predecessors, (1619), 642 states have call successors, (642), 114 states have call predecessors, (642), 114 states have return successors, (642), 630 states have call predecessors, (642), 642 states have call successors, (642) [2022-12-14 14:21:47,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 14:21:47,791 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:21:47,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:21:47,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:21:47,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:21:47,796 INFO L85 PathProgramCache]: Analyzing trace with hash -170663902, now seen corresponding path program 1 times [2022-12-14 14:21:47,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:21:47,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974343873] [2022-12-14 14:21:47,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:21:47,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:21:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:21:48,234 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 14:21:48,234 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:21:48,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974343873] [2022-12-14 14:21:48,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974343873] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:21:48,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:21:48,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:21:48,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713265231] [2022-12-14 14:21:48,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:21:48,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:21:48,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:21:48,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:21:48,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:21:48,270 INFO L87 Difference]: Start difference. First operand has 1965 states, 1207 states have (on average 1.3413421706710853) internal successors, (1619), 1257 states have internal predecessors, (1619), 642 states have call successors, (642), 114 states have call predecessors, (642), 114 states have return successors, (642), 630 states have call predecessors, (642), 642 states have call successors, (642) 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 14:21:50,540 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 14:21:52,566 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 14:21:54,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:21:54,050 INFO L93 Difference]: Finished difference Result 5825 states and 8736 transitions. [2022-12-14 14:21:54,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:21:54,052 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 14:21:54,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:21:54,079 INFO L225 Difference]: With dead ends: 5825 [2022-12-14 14:21:54,079 INFO L226 Difference]: Without dead ends: 3871 [2022-12-14 14:21:54,091 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 14:21:54,093 INFO L413 NwaCegarLoop]: 3281 mSDtfsCounter, 2871 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2873 SdHoareTripleChecker+Valid, 5850 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:21:54,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2873 Valid, 5850 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 552 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 14:21:54,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3871 states. [2022-12-14 14:21:54,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3871 to 3862. [2022-12-14 14:21:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3862 states, 2372 states have (on average 1.3338954468802697) internal successors, (3164), 2456 states have internal predecessors, (3164), 1264 states have call successors, (1264), 226 states have call predecessors, (1264), 225 states have return successors, (1252), 1228 states have call predecessors, (1252), 1252 states have call successors, (1252) [2022-12-14 14:21:54,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5680 transitions. [2022-12-14 14:21:54,296 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5680 transitions. Word has length 13 [2022-12-14 14:21:54,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:21:54,296 INFO L495 AbstractCegarLoop]: Abstraction has 3862 states and 5680 transitions. [2022-12-14 14:21:54,296 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 14:21:54,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5680 transitions. [2022-12-14 14:21:54,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 14:21:54,297 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:21:54,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:21:54,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:21:54,298 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:21:54,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:21:54,320 INFO L85 PathProgramCache]: Analyzing trace with hash -996763839, now seen corresponding path program 1 times [2022-12-14 14:21:54,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:21:54,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285111948] [2022-12-14 14:21:54,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:21:54,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:21:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:21:54,472 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 14:21:54,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:21:54,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285111948] [2022-12-14 14:21:54,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285111948] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:21:54,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:21:54,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:21:54,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782132793] [2022-12-14 14:21:54,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:21:54,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:21:54,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:21:54,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:21:54,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:21:54,476 INFO L87 Difference]: Start difference. First operand 3862 states and 5680 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 14:21:56,671 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 14:21:58,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:22:00,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:22:00,387 INFO L93 Difference]: Finished difference Result 3875 states and 5692 transitions. [2022-12-14 14:22:00,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:22:00,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 14 [2022-12-14 14:22:00,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:22:00,402 INFO L225 Difference]: With dead ends: 3875 [2022-12-14 14:22:00,402 INFO L226 Difference]: Without dead ends: 3872 [2022-12-14 14:22:00,404 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 14:22:00,405 INFO L413 NwaCegarLoop]: 3251 mSDtfsCounter, 2848 mSDsluCounter, 2554 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2850 SdHoareTripleChecker+Valid, 5805 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-14 14:22:00,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2850 Valid, 5805 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 552 Invalid, 2 Unknown, 0 Unchecked, 5.7s Time] [2022-12-14 14:22:00,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2022-12-14 14:22:00,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3863. [2022-12-14 14:22:00,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3863 states, 2373 states have (on average 1.3337547408343868) internal successors, (3165), 2457 states have internal predecessors, (3165), 1264 states have call successors, (1264), 226 states have call predecessors, (1264), 225 states have return successors, (1252), 1228 states have call predecessors, (1252), 1252 states have call successors, (1252) [2022-12-14 14:22:00,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3863 states and 5681 transitions. [2022-12-14 14:22:00,556 INFO L78 Accepts]: Start accepts. Automaton has 3863 states and 5681 transitions. Word has length 14 [2022-12-14 14:22:00,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:22:00,556 INFO L495 AbstractCegarLoop]: Abstraction has 3863 states and 5681 transitions. [2022-12-14 14:22:00,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 14:22:00,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3863 states and 5681 transitions. [2022-12-14 14:22:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 14:22:00,557 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:22:00,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:22:00,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:22:00,557 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:22:00,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:22:00,558 INFO L85 PathProgramCache]: Analyzing trace with hash -836053243, now seen corresponding path program 1 times [2022-12-14 14:22:00,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:22:00,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412226755] [2022-12-14 14:22:00,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:22:00,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:22:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:22:00,675 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 14:22:00,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:22:00,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412226755] [2022-12-14 14:22:00,675 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412226755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:22:00,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:22:00,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:22:00,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466891390] [2022-12-14 14:22:00,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:22:00,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:22:00,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:22:00,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:22:00,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:22:00,677 INFO L87 Difference]: Start difference. First operand 3863 states and 5681 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14:22:02,861 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 14:22:04,888 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 14:22:06,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:22:06,392 INFO L93 Difference]: Finished difference Result 3876 states and 5693 transitions. [2022-12-14 14:22:06,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:22:06,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15 [2022-12-14 14:22:06,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:22:06,411 INFO L225 Difference]: With dead ends: 3876 [2022-12-14 14:22:06,411 INFO L226 Difference]: Without dead ends: 3873 [2022-12-14 14:22:06,414 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 14:22:06,415 INFO L413 NwaCegarLoop]: 3262 mSDtfsCounter, 2845 mSDsluCounter, 2557 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2847 SdHoareTripleChecker+Valid, 5819 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:22:06,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2847 Valid, 5819 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 551 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 14:22:06,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3873 states. [2022-12-14 14:22:06,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3873 to 3864. [2022-12-14 14:22:06,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3864 states, 2374 states have (on average 1.3336141533277168) internal successors, (3166), 2458 states have internal predecessors, (3166), 1264 states have call successors, (1264), 226 states have call predecessors, (1264), 225 states have return successors, (1252), 1228 states have call predecessors, (1252), 1252 states have call successors, (1252) [2022-12-14 14:22:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5682 transitions. [2022-12-14 14:22:06,571 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5682 transitions. Word has length 15 [2022-12-14 14:22:06,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:22:06,571 INFO L495 AbstractCegarLoop]: Abstraction has 3864 states and 5682 transitions. [2022-12-14 14:22:06,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14:22:06,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5682 transitions. [2022-12-14 14:22:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 14:22:06,572 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:22:06,572 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:22:06,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:22:06,572 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:22:06,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:22:06,573 INFO L85 PathProgramCache]: Analyzing trace with hash -148987196, now seen corresponding path program 1 times [2022-12-14 14:22:06,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:22:06,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113792464] [2022-12-14 14:22:06,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:22:06,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:22:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:22:06,684 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 14:22:06,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:22:06,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113792464] [2022-12-14 14:22:06,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113792464] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:22:06,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:22:06,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:22:06,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765653023] [2022-12-14 14:22:06,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:22:06,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:22:06,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:22:06,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:22:06,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:22:06,686 INFO L87 Difference]: Start difference. First operand 3864 states and 5682 transitions. 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 14:22:08,894 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 14:22:10,927 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 14:22:12,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:22:12,438 INFO L93 Difference]: Finished difference Result 9378 states and 13634 transitions. [2022-12-14 14:22:12,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:22:12,439 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 14:22:12,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:22:12,459 INFO L225 Difference]: With dead ends: 9378 [2022-12-14 14:22:12,460 INFO L226 Difference]: Without dead ends: 5553 [2022-12-14 14:22:12,469 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 14:22:12,470 INFO L413 NwaCegarLoop]: 2997 mSDtfsCounter, 1565 mSDsluCounter, 2438 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 5435 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:22:12,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1567 Valid, 5435 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 560 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 14:22:12,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5553 states. [2022-12-14 14:22:12,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5553 to 5525. [2022-12-14 14:22:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5525 states, 3353 states have (on average 1.3197136892335222) internal successors, (4425), 3495 states have internal predecessors, (4425), 1771 states have call successors, (1771), 404 states have call predecessors, (1771), 400 states have return successors, (1770), 1699 states have call predecessors, (1770), 1755 states have call successors, (1770) [2022-12-14 14:22:12,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5525 states to 5525 states and 7966 transitions. [2022-12-14 14:22:12,706 INFO L78 Accepts]: Start accepts. Automaton has 5525 states and 7966 transitions. Word has length 16 [2022-12-14 14:22:12,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:22:12,706 INFO L495 AbstractCegarLoop]: Abstraction has 5525 states and 7966 transitions. [2022-12-14 14:22:12,707 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 14:22:12,707 INFO L276 IsEmpty]: Start isEmpty. Operand 5525 states and 7966 transitions. [2022-12-14 14:22:12,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 14:22:12,707 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:22:12,707 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 14:22:12,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:22:12,707 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:22:12,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:22:12,708 INFO L85 PathProgramCache]: Analyzing trace with hash -324771352, now seen corresponding path program 1 times [2022-12-14 14:22:12,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:22:12,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533297394] [2022-12-14 14:22:12,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:22:12,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:22:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:22:12,819 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 14:22:12,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:22:12,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533297394] [2022-12-14 14:22:12,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533297394] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:22:12,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:22:12,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:22:12,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262317478] [2022-12-14 14:22:12,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:22:12,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:22:12,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:22:12,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:22:12,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:22:12,821 INFO L87 Difference]: Start difference. First operand 5525 states and 7966 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 14:22:15,020 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 14:22:17,049 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 14:22:18,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:22:18,593 INFO L93 Difference]: Finished difference Result 8296 states and 11968 transitions. [2022-12-14 14:22:18,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:22:18,594 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 14:22:18,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:22:18,627 INFO L225 Difference]: With dead ends: 8296 [2022-12-14 14:22:18,627 INFO L226 Difference]: Without dead ends: 8292 [2022-12-14 14:22:18,631 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 14:22:18,632 INFO L413 NwaCegarLoop]: 3189 mSDtfsCounter, 2792 mSDsluCounter, 2461 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:22:18,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2794 Valid, 5650 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 550 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 14:22:18,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8292 states. [2022-12-14 14:22:18,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8292 to 8264. [2022-12-14 14:22:18,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8264 states, 5036 states have (on average 1.3230738681493248) internal successors, (6663), 5250 states have internal predecessors, (6663), 2623 states have call successors, (2623), 613 states have call predecessors, (2623), 604 states have return successors, (2647), 2510 states have call predecessors, (2647), 2607 states have call successors, (2647) [2022-12-14 14:22:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8264 states to 8264 states and 11933 transitions. [2022-12-14 14:22:18,963 INFO L78 Accepts]: Start accepts. Automaton has 8264 states and 11933 transitions. Word has length 17 [2022-12-14 14:22:18,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:22:18,963 INFO L495 AbstractCegarLoop]: Abstraction has 8264 states and 11933 transitions. [2022-12-14 14:22:18,964 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 14:22:18,964 INFO L276 IsEmpty]: Start isEmpty. Operand 8264 states and 11933 transitions. [2022-12-14 14:22:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 14:22:18,965 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:22:18,965 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 14:22:18,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:22:18,965 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:22:18,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:22:18,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1479108025, now seen corresponding path program 1 times [2022-12-14 14:22:18,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:22:18,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436032561] [2022-12-14 14:22:18,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:22:18,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:22:19,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:22:19,065 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 14:22:19,065 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:22:19,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436032561] [2022-12-14 14:22:19,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436032561] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:22:19,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:22:19,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:22:19,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676804742] [2022-12-14 14:22:19,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:22:19,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:22:19,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:22:19,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:22:19,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:22:19,067 INFO L87 Difference]: Start difference. First operand 8264 states and 11933 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 14:22:21,270 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 14:22:23,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:22:24,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:22:24,995 INFO L93 Difference]: Finished difference Result 13701 states and 19836 transitions. [2022-12-14 14:22:24,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:22:24,995 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 14:22:24,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:22:25,037 INFO L225 Difference]: With dead ends: 13701 [2022-12-14 14:22:25,037 INFO L226 Difference]: Without dead ends: 13680 [2022-12-14 14:22:25,045 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 14:22:25,045 INFO L413 NwaCegarLoop]: 3198 mSDtfsCounter, 2785 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2787 SdHoareTripleChecker+Valid, 5672 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:22:25,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2787 Valid, 5672 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 548 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 14:22:25,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13680 states. [2022-12-14 14:22:25,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13680 to 13651. [2022-12-14 14:22:25,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13651 states, 8345 states have (on average 1.3260635110844816) internal successors, (11066), 8711 states have internal predecessors, (11066), 4313 states have call successors, (4313), 1019 states have call predecessors, (4313), 992 states have return successors, (4391), 4102 states have call predecessors, (4391), 4297 states have call successors, (4391) [2022-12-14 14:22:25,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13651 states to 13651 states and 19770 transitions. [2022-12-14 14:22:25,561 INFO L78 Accepts]: Start accepts. Automaton has 13651 states and 19770 transitions. Word has length 18 [2022-12-14 14:22:25,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:22:25,561 INFO L495 AbstractCegarLoop]: Abstraction has 13651 states and 19770 transitions. [2022-12-14 14:22:25,561 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 14:22:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 13651 states and 19770 transitions. [2022-12-14 14:22:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 14:22:25,563 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:22:25,563 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] [2022-12-14 14:22:25,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 14:22:25,563 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:22:25,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:22:25,564 INFO L85 PathProgramCache]: Analyzing trace with hash -339285580, now seen corresponding path program 1 times [2022-12-14 14:22:25,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:22:25,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596352536] [2022-12-14 14:22:25,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:22:25,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:22:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:22:25,890 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 14:22:25,891 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:22:25,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596352536] [2022-12-14 14:22:25,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596352536] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:22:25,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:22:25,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:22:25,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854696842] [2022-12-14 14:22:25,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:22:25,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:22:25,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:22:25,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:22:25,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:22:25,893 INFO L87 Difference]: Start difference. First operand 13651 states and 19770 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 14:22:28,226 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 14:22:30,260 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 14:22:32,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:22:32,389 INFO L93 Difference]: Finished difference Result 28818 states and 42787 transitions. [2022-12-14 14:22:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:22:32,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 35 [2022-12-14 14:22:32,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:22:32,440 INFO L225 Difference]: With dead ends: 28818 [2022-12-14 14:22:32,441 INFO L226 Difference]: Without dead ends: 17795 [2022-12-14 14:22:32,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:22:32,491 INFO L413 NwaCegarLoop]: 3078 mSDtfsCounter, 492 mSDsluCounter, 5495 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 199 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 8573 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:22:32,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 8573 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 874 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 14:22:32,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17795 states. [2022-12-14 14:22:33,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17795 to 13653. [2022-12-14 14:22:33,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13653 states, 8347 states have (on average 1.3259853839702886) internal successors, (11068), 8713 states have internal predecessors, (11068), 4313 states have call successors, (4313), 1019 states have call predecessors, (4313), 992 states have return successors, (4391), 4102 states have call predecessors, (4391), 4297 states have call successors, (4391) [2022-12-14 14:22:33,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13653 states to 13653 states and 19772 transitions. [2022-12-14 14:22:33,161 INFO L78 Accepts]: Start accepts. Automaton has 13653 states and 19772 transitions. Word has length 35 [2022-12-14 14:22:33,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:22:33,162 INFO L495 AbstractCegarLoop]: Abstraction has 13653 states and 19772 transitions. [2022-12-14 14:22:33,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-12-14 14:22:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 13653 states and 19772 transitions. [2022-12-14 14:22:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 14:22:33,164 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:22:33,164 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:33,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 14:22:33,164 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:22:33,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:22:33,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1663483573, now seen corresponding path program 1 times [2022-12-14 14:22:33,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:22:33,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813575185] [2022-12-14 14:22:33,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:22:33,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:22:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:22:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 14:22:33,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:22:33,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813575185] [2022-12-14 14:22:33,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813575185] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:22:33,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:22:33,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:22:33,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626814204] [2022-12-14 14:22:33,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:22:33,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:22:33,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:22:33,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:22:33,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:22:33,438 INFO L87 Difference]: Start difference. First operand 13653 states and 19772 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 14:22:35,695 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 14:22:37,727 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 14:22:39,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:22:39,790 INFO L93 Difference]: Finished difference Result 15868 states and 23493 transitions. [2022-12-14 14:22:39,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:22:39,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 39 [2022-12-14 14:22:39,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:22:39,839 INFO L225 Difference]: With dead ends: 15868 [2022-12-14 14:22:39,840 INFO L226 Difference]: Without dead ends: 15853 [2022-12-14 14:22:39,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:22:39,844 INFO L413 NwaCegarLoop]: 2972 mSDtfsCounter, 474 mSDsluCounter, 5119 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 193 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 8091 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:22:39,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 8091 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 828 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 14:22:39,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15853 states. [2022-12-14 14:22:40,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15853 to 13655. [2022-12-14 14:22:40,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13655 states, 8349 states have (on average 1.325907294286741) internal successors, (11070), 8715 states have internal predecessors, (11070), 4313 states have call successors, (4313), 1019 states have call predecessors, (4313), 992 states have return successors, (4391), 4102 states have call predecessors, (4391), 4297 states have call successors, (4391) [2022-12-14 14:22:40,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13655 states to 13655 states and 19774 transitions. [2022-12-14 14:22:40,512 INFO L78 Accepts]: Start accepts. Automaton has 13655 states and 19774 transitions. Word has length 39 [2022-12-14 14:22:40,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:22:40,512 INFO L495 AbstractCegarLoop]: Abstraction has 13655 states and 19774 transitions. [2022-12-14 14:22:40,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-14 14:22:40,512 INFO L276 IsEmpty]: Start isEmpty. Operand 13655 states and 19774 transitions. [2022-12-14 14:22:40,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 14:22:40,514 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:22:40,514 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] [2022-12-14 14:22:40,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 14:22:40,514 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:22:40,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:22:40,515 INFO L85 PathProgramCache]: Analyzing trace with hash -62847474, now seen corresponding path program 1 times [2022-12-14 14:22:40,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:22:40,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580076698] [2022-12-14 14:22:40,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:22:40,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:22:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:22:40,690 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 14:22:40,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:22:40,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580076698] [2022-12-14 14:22:40,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580076698] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:22:40,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:22:40,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:22:40,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835470896] [2022-12-14 14:22:40,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:22:40,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:22:40,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:22:40,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:22:40,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:22:40,692 INFO L87 Difference]: Start difference. First operand 13655 states and 19774 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:22:42,888 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 14:22:44,915 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 14:22:45,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:22:45,915 INFO L93 Difference]: Finished difference Result 13657 states and 19775 transitions. [2022-12-14 14:22:45,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:22:45,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-12-14 14:22:45,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:22:45,955 INFO L225 Difference]: With dead ends: 13657 [2022-12-14 14:22:45,956 INFO L226 Difference]: Without dead ends: 13654 [2022-12-14 14:22:45,961 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 14:22:45,962 INFO L413 NwaCegarLoop]: 2591 mSDtfsCounter, 2841 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2843 SdHoareTripleChecker+Valid, 2591 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 14:22:45,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2843 Valid, 2591 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 14:22:45,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13654 states. [2022-12-14 14:22:46,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13654 to 13654. [2022-12-14 14:22:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13654 states, 8349 states have (on average 1.3249490957000838) internal successors, (11062), 8714 states have internal predecessors, (11062), 4312 states have call successors, (4312), 1019 states have call predecessors, (4312), 992 states have return successors, (4391), 4102 states have call predecessors, (4391), 4297 states have call successors, (4391) [2022-12-14 14:22:46,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13654 states to 13654 states and 19765 transitions. [2022-12-14 14:22:46,579 INFO L78 Accepts]: Start accepts. Automaton has 13654 states and 19765 transitions. Word has length 43 [2022-12-14 14:22:46,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:22:46,579 INFO L495 AbstractCegarLoop]: Abstraction has 13654 states and 19765 transitions. [2022-12-14 14:22:46,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:22:46,580 INFO L276 IsEmpty]: Start isEmpty. Operand 13654 states and 19765 transitions. [2022-12-14 14:22:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 14:22:46,581 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:22:46,581 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] [2022-12-14 14:22:46,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 14:22:46,581 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:22:46,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:22:46,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1949421867, now seen corresponding path program 1 times [2022-12-14 14:22:46,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:22:46,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643681998] [2022-12-14 14:22:46,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:22:46,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:22:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:22:46,784 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 14:22:46,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:22:46,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643681998] [2022-12-14 14:22:46,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643681998] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:22:46,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:22:46,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:22:46,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730210747] [2022-12-14 14:22:46,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:22:46,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:22:46,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:22:46,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:22:46,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:22:46,786 INFO L87 Difference]: Start difference. First operand 13654 states and 19765 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:22:48,980 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 14:22:51,008 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 14:22:51,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:22:51,989 INFO L93 Difference]: Finished difference Result 13656 states and 19766 transitions. [2022-12-14 14:22:51,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:22:51,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44 [2022-12-14 14:22:51,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:22:52,032 INFO L225 Difference]: With dead ends: 13656 [2022-12-14 14:22:52,032 INFO L226 Difference]: Without dead ends: 13653 [2022-12-14 14:22:52,036 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 14:22:52,036 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 2838 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2840 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:22:52,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2840 Valid, 2589 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2022-12-14 14:22:52,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13653 states. [2022-12-14 14:22:52,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13653 to 13653. [2022-12-14 14:22:52,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13653 states, 8349 states have (on average 1.3239908971134267) internal successors, (11054), 8713 states have internal predecessors, (11054), 4311 states have call successors, (4311), 1019 states have call predecessors, (4311), 992 states have return successors, (4391), 4102 states have call predecessors, (4391), 4297 states have call successors, (4391) [2022-12-14 14:22:52,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13653 states to 13653 states and 19756 transitions. [2022-12-14 14:22:52,672 INFO L78 Accepts]: Start accepts. Automaton has 13653 states and 19756 transitions. Word has length 44 [2022-12-14 14:22:52,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:22:52,672 INFO L495 AbstractCegarLoop]: Abstraction has 13653 states and 19756 transitions. [2022-12-14 14:22:52,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:22:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 13653 states and 19756 transitions. [2022-12-14 14:22:52,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 14:22:52,674 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:22:52,674 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] [2022-12-14 14:22:52,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 14:22:52,674 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:22:52,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:22:52,675 INFO L85 PathProgramCache]: Analyzing trace with hash -303681039, now seen corresponding path program 1 times [2022-12-14 14:22:52,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:22:52,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718169039] [2022-12-14 14:22:52,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:22:52,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:22:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:22:52,858 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 14:22:52,859 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:22:52,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718169039] [2022-12-14 14:22:52,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718169039] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:22:52,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:22:52,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:22:52,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901678579] [2022-12-14 14:22:52,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:22:52,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:22:52,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:22:52,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:22:52,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:22:52,860 INFO L87 Difference]: Start difference. First operand 13653 states and 19756 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:22:55,047 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 14:22:57,082 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 14:22:58,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:22:58,158 INFO L93 Difference]: Finished difference Result 13655 states and 19757 transitions. [2022-12-14 14:22:58,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:22:58,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 45 [2022-12-14 14:22:58,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:22:58,184 INFO L225 Difference]: With dead ends: 13655 [2022-12-14 14:22:58,184 INFO L226 Difference]: Without dead ends: 13634 [2022-12-14 14:22:58,188 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 14:22:58,188 INFO L413 NwaCegarLoop]: 2587 mSDtfsCounter, 2835 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2837 SdHoareTripleChecker+Valid, 2587 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:22:58,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2837 Valid, 2587 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2022-12-14 14:22:58,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13634 states. [2022-12-14 14:22:58,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13634 to 13634. [2022-12-14 14:22:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13634 states, 8337 states have (on average 1.3232577665827037) internal successors, (11032), 8700 states have internal predecessors, (11032), 4306 states have call successors, (4306), 1017 states have call predecessors, (4306), 990 states have return successors, (4387), 4098 states have call predecessors, (4387), 4293 states have call successors, (4387) [2022-12-14 14:22:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13634 states to 13634 states and 19725 transitions. [2022-12-14 14:22:58,859 INFO L78 Accepts]: Start accepts. Automaton has 13634 states and 19725 transitions. Word has length 45 [2022-12-14 14:22:58,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:22:58,859 INFO L495 AbstractCegarLoop]: Abstraction has 13634 states and 19725 transitions. [2022-12-14 14:22:58,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:22:58,859 INFO L276 IsEmpty]: Start isEmpty. Operand 13634 states and 19725 transitions. [2022-12-14 14:22:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 14:22:58,861 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:22:58,861 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] [2022-12-14 14:22:58,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 14:22:58,862 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:22:58,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:22:58,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1460082790, now seen corresponding path program 1 times [2022-12-14 14:22:58,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:22:58,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426691147] [2022-12-14 14:22:58,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:22:58,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:22:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:22:59,062 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 14:22:59,063 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:22:59,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426691147] [2022-12-14 14:22:59,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426691147] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:22:59,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:22:59,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:22:59,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334308405] [2022-12-14 14:22:59,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:22:59,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:22:59,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:22:59,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:22:59,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:22:59,064 INFO L87 Difference]: Start difference. First operand 13634 states and 19725 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 14:23:01,316 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 14:23:03,344 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 14:23:04,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:23:04,798 INFO L93 Difference]: Finished difference Result 22359 states and 31441 transitions. [2022-12-14 14:23:04,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:23:04,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2022-12-14 14:23:04,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:23:04,829 INFO L225 Difference]: With dead ends: 22359 [2022-12-14 14:23:04,829 INFO L226 Difference]: Without dead ends: 13002 [2022-12-14 14:23:04,846 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 14:23:04,847 INFO L413 NwaCegarLoop]: 2491 mSDtfsCounter, 1345 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 3781 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:23:04,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 3781 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 484 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 14:23:04,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13002 states. [2022-12-14 14:23:05,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13002 to 12975. [2022-12-14 14:23:05,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12975 states, 7867 states have (on average 1.3027837803482902) internal successors, (10249), 8163 states have internal predecessors, (10249), 3996 states have call successors, (3996), 1141 states have call predecessors, (3996), 1111 states have return successors, (4054), 3825 states have call predecessors, (4054), 3984 states have call successors, (4054) [2022-12-14 14:23:05,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12975 states to 12975 states and 18299 transitions. [2022-12-14 14:23:05,411 INFO L78 Accepts]: Start accepts. Automaton has 12975 states and 18299 transitions. Word has length 44 [2022-12-14 14:23:05,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:23:05,411 INFO L495 AbstractCegarLoop]: Abstraction has 12975 states and 18299 transitions. [2022-12-14 14:23:05,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 14:23:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 12975 states and 18299 transitions. [2022-12-14 14:23:05,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 14:23:05,414 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:23:05,414 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 14:23:05,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 14:23:05,414 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:23:05,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:23:05,415 INFO L85 PathProgramCache]: Analyzing trace with hash -825318056, now seen corresponding path program 1 times [2022-12-14 14:23:05,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:23:05,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970654791] [2022-12-14 14:23:05,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:23:05,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:23:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:23:05,580 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 14:23:05,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:23:05,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970654791] [2022-12-14 14:23:05,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970654791] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:23:05,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:23:05,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:23:05,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953977970] [2022-12-14 14:23:05,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:23:05,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:23:05,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:23:05,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:23:05,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:23:05,582 INFO L87 Difference]: Start difference. First operand 12975 states and 18299 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, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:23:07,815 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 14:23:09,849 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 14:23:11,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:23:11,108 INFO L93 Difference]: Finished difference Result 12980 states and 18302 transitions. [2022-12-14 14:23:11,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:23:11,108 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, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2022-12-14 14:23:11,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:23:11,139 INFO L225 Difference]: With dead ends: 12980 [2022-12-14 14:23:11,139 INFO L226 Difference]: Without dead ends: 12957 [2022-12-14 14:23:11,144 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 14:23:11,145 INFO L413 NwaCegarLoop]: 2405 mSDtfsCounter, 1431 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 3618 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:23:11,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 3618 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 409 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2022-12-14 14:23:11,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12957 states. [2022-12-14 14:23:11,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12957 to 12867. [2022-12-14 14:23:11,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12867 states, 7802 states have (on average 1.3040246090745962) internal successors, (10174), 8088 states have internal predecessors, (10174), 3959 states have call successors, (3959), 1127 states have call predecessors, (3959), 1105 states have return successors, (4018), 3806 states have call predecessors, (4018), 3948 states have call successors, (4018) [2022-12-14 14:23:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12867 states to 12867 states and 18151 transitions. [2022-12-14 14:23:11,694 INFO L78 Accepts]: Start accepts. Automaton has 12867 states and 18151 transitions. Word has length 46 [2022-12-14 14:23:11,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:23:11,694 INFO L495 AbstractCegarLoop]: Abstraction has 12867 states and 18151 transitions. [2022-12-14 14:23:11,694 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, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:23:11,694 INFO L276 IsEmpty]: Start isEmpty. Operand 12867 states and 18151 transitions. [2022-12-14 14:23:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 14:23:11,696 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:23:11,696 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] [2022-12-14 14:23:11,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 14:23:11,696 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:23:11,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:23:11,697 INFO L85 PathProgramCache]: Analyzing trace with hash 183808468, now seen corresponding path program 1 times [2022-12-14 14:23:11,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:23:11,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428573612] [2022-12-14 14:23:11,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:23:11,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:23:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:23:11,850 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 14:23:11,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:23:11,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428573612] [2022-12-14 14:23:11,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428573612] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:23:11,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:23:11,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:23:11,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888474581] [2022-12-14 14:23:11,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:23:11,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:23:11,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:23:11,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:23:11,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:23:11,852 INFO L87 Difference]: Start difference. First operand 12867 states and 18151 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:23:14,047 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 14:23:16,075 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 14:23:17,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:23:17,085 INFO L93 Difference]: Finished difference Result 12905 states and 18176 transitions. [2022-12-14 14:23:17,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:23:17,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2022-12-14 14:23:17,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:23:17,113 INFO L225 Difference]: With dead ends: 12905 [2022-12-14 14:23:17,113 INFO L226 Difference]: Without dead ends: 12877 [2022-12-14 14:23:17,118 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 14:23:17,118 INFO L413 NwaCegarLoop]: 2343 mSDtfsCounter, 2515 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:23:17,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2517 Valid, 2408 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 275 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2022-12-14 14:23:17,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12877 states. [2022-12-14 14:23:17,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12877 to 12825. [2022-12-14 14:23:17,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12825 states, 7779 states have (on average 1.3037665509705618) internal successors, (10142), 8058 states have internal predecessors, (10142), 3931 states have call successors, (3931), 1129 states have call predecessors, (3931), 1114 states have return successors, (3992), 3792 states have call predecessors, (3992), 3922 states have call successors, (3992) [2022-12-14 14:23:17,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12825 states to 12825 states and 18065 transitions. [2022-12-14 14:23:17,707 INFO L78 Accepts]: Start accepts. Automaton has 12825 states and 18065 transitions. Word has length 47 [2022-12-14 14:23:17,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:23:17,707 INFO L495 AbstractCegarLoop]: Abstraction has 12825 states and 18065 transitions. [2022-12-14 14:23:17,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:23:17,707 INFO L276 IsEmpty]: Start isEmpty. Operand 12825 states and 18065 transitions. [2022-12-14 14:23:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 14:23:17,709 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:23:17,709 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] [2022-12-14 14:23:17,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 14:23:17,709 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:23:17,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:23:17,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1401964507, now seen corresponding path program 1 times [2022-12-14 14:23:17,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:23:17,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809491544] [2022-12-14 14:23:17,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:23:17,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:23:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:23:17,853 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 14:23:17,853 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:23:17,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809491544] [2022-12-14 14:23:17,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809491544] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:23:17,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:23:17,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:23:17,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77025353] [2022-12-14 14:23:17,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:23:17,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:23:17,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:23:17,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:23:17,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:23:17,855 INFO L87 Difference]: Start difference. First operand 12825 states and 18065 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:23:20,077 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 14:23:22,108 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 14:23:23,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:23:23,272 INFO L93 Difference]: Finished difference Result 12839 states and 18072 transitions. [2022-12-14 14:23:23,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:23:23,272 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 48 [2022-12-14 14:23:23,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:23:23,300 INFO L225 Difference]: With dead ends: 12839 [2022-12-14 14:23:23,300 INFO L226 Difference]: Without dead ends: 12797 [2022-12-14 14:23:23,305 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 14:23:23,306 INFO L413 NwaCegarLoop]: 2341 mSDtfsCounter, 2511 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2513 SdHoareTripleChecker+Valid, 2397 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:23:23,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2513 Valid, 2397 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 271 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2022-12-14 14:23:23,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12797 states. [2022-12-14 14:23:23,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12797 to 12754. [2022-12-14 14:23:23,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12754 states, 7736 states have (on average 1.3031282316442605) internal successors, (10081), 8014 states have internal predecessors, (10081), 3900 states have call successors, (3900), 1121 states have call predecessors, (3900), 1117 states have return successors, (3963), 3773 states have call predecessors, (3963), 3893 states have call successors, (3963) [2022-12-14 14:23:23,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12754 states to 12754 states and 17944 transitions. [2022-12-14 14:23:23,877 INFO L78 Accepts]: Start accepts. Automaton has 12754 states and 17944 transitions. Word has length 48 [2022-12-14 14:23:23,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:23:23,878 INFO L495 AbstractCegarLoop]: Abstraction has 12754 states and 17944 transitions. [2022-12-14 14:23:23,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 14:23:23,878 INFO L276 IsEmpty]: Start isEmpty. Operand 12754 states and 17944 transitions. [2022-12-14 14:23:23,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 14:23:23,880 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:23:23,880 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] [2022-12-14 14:23:23,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 14:23:23,881 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:23:23,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:23:23,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1547357175, now seen corresponding path program 1 times [2022-12-14 14:23:23,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:23:23,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021417889] [2022-12-14 14:23:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:23:23,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:23:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:23:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 14:23:24,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:23:24,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021417889] [2022-12-14 14:23:24,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021417889] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:23:24,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:23:24,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:23:24,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694430976] [2022-12-14 14:23:24,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:23:24,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:23:24,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:23:24,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:23:24,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:23:24,052 INFO L87 Difference]: Start difference. First operand 12754 states and 17944 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 14:23:26,378 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 14:23:28,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:23:30,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:23:30,334 INFO L93 Difference]: Finished difference Result 14714 states and 20692 transitions. [2022-12-14 14:23:30,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:23:30,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 57 [2022-12-14 14:23:30,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:23:30,365 INFO L225 Difference]: With dead ends: 14714 [2022-12-14 14:23:30,365 INFO L226 Difference]: Without dead ends: 12754 [2022-12-14 14:23:30,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 14:23:30,374 INFO L413 NwaCegarLoop]: 2317 mSDtfsCounter, 3 mSDsluCounter, 6942 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9259 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:23:30,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9259 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1051 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-12-14 14:23:30,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12754 states. [2022-12-14 14:23:30,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12754 to 12754. [2022-12-14 14:23:30,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12754 states, 7736 states have (on average 1.3029989658738366) internal successors, (10080), 8013 states have internal predecessors, (10080), 3900 states have call successors, (3900), 1121 states have call predecessors, (3900), 1117 states have return successors, (3963), 3773 states have call predecessors, (3963), 3893 states have call successors, (3963) [2022-12-14 14:23:30,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12754 states to 12754 states and 17943 transitions. [2022-12-14 14:23:30,958 INFO L78 Accepts]: Start accepts. Automaton has 12754 states and 17943 transitions. Word has length 57 [2022-12-14 14:23:30,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:23:30,958 INFO L495 AbstractCegarLoop]: Abstraction has 12754 states and 17943 transitions. [2022-12-14 14:23:30,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-14 14:23:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 12754 states and 17943 transitions. [2022-12-14 14:23:30,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 14:23:30,960 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:23:30,960 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] [2022-12-14 14:23:30,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 14:23:30,961 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:23:30,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:23:30,961 INFO L85 PathProgramCache]: Analyzing trace with hash -986998768, now seen corresponding path program 1 times [2022-12-14 14:23:30,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:23:30,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845437428] [2022-12-14 14:23:30,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:23:30,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:23:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:23:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 14:23:31,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:23:31,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845437428] [2022-12-14 14:23:31,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845437428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:23:31,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:23:31,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:23:31,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783611995] [2022-12-14 14:23:31,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:23:31,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:23:31,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:23:31,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:23:31,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:23:31,251 INFO L87 Difference]: Start difference. First operand 12754 states and 17943 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-14 14:23:33,372 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 14:23:35,521 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 14:23:37,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:23:37,801 INFO L93 Difference]: Finished difference Result 25457 states and 35822 transitions. [2022-12-14 14:23:37,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:23:37,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 59 [2022-12-14 14:23:37,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:23:37,833 INFO L225 Difference]: With dead ends: 25457 [2022-12-14 14:23:37,834 INFO L226 Difference]: Without dead ends: 12736 [2022-12-14 14:23:37,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 14:23:37,858 INFO L413 NwaCegarLoop]: 2316 mSDtfsCounter, 4 mSDsluCounter, 6937 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 14:23:37,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 9253 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1047 Invalid, 2 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 14:23:37,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12736 states. [2022-12-14 14:23:38,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12736 to 12736. [2022-12-14 14:23:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12736 states, 7726 states have (on average 1.302873414444732) internal successors, (10066), 8003 states have internal predecessors, (10066), 3896 states have call successors, (3896), 1117 states have call predecessors, (3896), 1113 states have return successors, (3959), 3769 states have call predecessors, (3959), 3889 states have call successors, (3959) [2022-12-14 14:23:38,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12736 states to 12736 states and 17921 transitions. [2022-12-14 14:23:38,468 INFO L78 Accepts]: Start accepts. Automaton has 12736 states and 17921 transitions. Word has length 59 [2022-12-14 14:23:38,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:23:38,468 INFO L495 AbstractCegarLoop]: Abstraction has 12736 states and 17921 transitions. [2022-12-14 14:23:38,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-12-14 14:23:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 12736 states and 17921 transitions. [2022-12-14 14:23:38,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 14:23:38,471 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:23:38,471 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:23:38,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 14:23:38,471 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:23:38,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:23:38,472 INFO L85 PathProgramCache]: Analyzing trace with hash -659461468, now seen corresponding path program 1 times [2022-12-14 14:23:38,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:23:38,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130274736] [2022-12-14 14:23:38,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:23:38,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:23:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:23:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 14:23:40,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:23:40,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130274736] [2022-12-14 14:23:40,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130274736] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:23:40,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:23:40,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-14 14:23:40,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869128575] [2022-12-14 14:23:40,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:23:40,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 14:23:40,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:23:40,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 14:23:40,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-12-14 14:23:40,110 INFO L87 Difference]: Start difference. First operand 12736 states and 17921 transitions. Second operand has 13 states, 8 states have (on average 6.75) internal successors, (54), 10 states have internal predecessors, (54), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2022-12-14 14:23:42,359 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 14:23:44,815 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 14:23:50,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:23:50,774 INFO L93 Difference]: Finished difference Result 12761 states and 17940 transitions. [2022-12-14 14:23:50,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-14 14:23:50,774 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 8 states have (on average 6.75) internal successors, (54), 10 states have internal predecessors, (54), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) Word has length 80 [2022-12-14 14:23:50,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:23:50,795 INFO L225 Difference]: With dead ends: 12761 [2022-12-14 14:23:50,795 INFO L226 Difference]: Without dead ends: 10796 [2022-12-14 14:23:50,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2022-12-14 14:23:50,802 INFO L413 NwaCegarLoop]: 2185 mSDtfsCounter, 8 mSDsluCounter, 21690 mSDsCounter, 0 mSdLazyCounter, 4333 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 23875 SdHoareTripleChecker+Invalid, 4338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4333 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:23:50,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 23875 Invalid, 4338 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 4333 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2022-12-14 14:23:50,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10796 states. [2022-12-14 14:23:51,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10796 to 10796. [2022-12-14 14:23:51,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10796 states, 6549 states have (on average 1.3038631852191174) internal successors, (8539), 6792 states have internal predecessors, (8539), 3292 states have call successors, (3292), 958 states have call predecessors, (3292), 954 states have return successors, (3355), 3177 states have call predecessors, (3355), 3285 states have call successors, (3355) [2022-12-14 14:23:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10796 states to 10796 states and 15186 transitions. [2022-12-14 14:23:51,294 INFO L78 Accepts]: Start accepts. Automaton has 10796 states and 15186 transitions. Word has length 80 [2022-12-14 14:23:51,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:23:51,295 INFO L495 AbstractCegarLoop]: Abstraction has 10796 states and 15186 transitions. [2022-12-14 14:23:51,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 8 states have (on average 6.75) internal successors, (54), 10 states have internal predecessors, (54), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (11), 5 states have call predecessors, (11), 4 states have call successors, (11) [2022-12-14 14:23:51,295 INFO L276 IsEmpty]: Start isEmpty. Operand 10796 states and 15186 transitions. [2022-12-14 14:23:51,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 14:23:51,297 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:23:51,297 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:23:51,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 14:23:51,297 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:23:51,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:23:51,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1153186738, now seen corresponding path program 1 times [2022-12-14 14:23:51,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:23:51,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135025353] [2022-12-14 14:23:51,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:23:51,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:23:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:23:51,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 14:23:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:23:55,987 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 14:23:55,987 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 14:23:55,988 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 14:23:55,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 14:23:55,992 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:23:55,994 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 14:23:56,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 02:23:56 BoogieIcfgContainer [2022-12-14 14:23:56,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 14:23:56,065 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 14:23:56,065 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 14:23:56,065 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 14:23:56,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:21:47" (3/4) ... [2022-12-14 14:23:56,068 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 14:23:56,068 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 14:23:56,068 INFO L158 Benchmark]: Toolchain (without parser) took 142974.74ms. Allocated memory was 165.7MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 116.7MB in the beginning and 700.9MB in the end (delta: -584.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-12-14 14:23:56,069 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 165.7MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:23:56,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3131.07ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 116.4MB in the beginning and 65.9MB in the end (delta: 50.5MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. [2022-12-14 14:23:56,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 234.44ms. Allocated memory is still 199.2MB. Free memory was 65.9MB in the beginning and 74.6MB in the end (delta: -8.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2022-12-14 14:23:56,069 INFO L158 Benchmark]: Boogie Preprocessor took 251.40ms. Allocated memory was 199.2MB in the beginning and 241.2MB in the end (delta: 41.9MB). Free memory was 74.6MB in the beginning and 103.0MB in the end (delta: -28.4MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2022-12-14 14:23:56,069 INFO L158 Benchmark]: RCFGBuilder took 10963.92ms. Allocated memory was 241.2MB in the beginning and 421.5MB in the end (delta: 180.4MB). Free memory was 103.0MB in the beginning and 118.8MB in the end (delta: -15.8MB). Peak memory consumption was 230.0MB. Max. memory is 16.1GB. [2022-12-14 14:23:56,070 INFO L158 Benchmark]: TraceAbstraction took 128385.60ms. Allocated memory was 421.5MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 118.8MB in the beginning and 701.9MB in the end (delta: -583.2MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-12-14 14:23:56,070 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 1.8GB. Free memory was 701.9MB in the beginning and 700.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 14:23:56,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 165.7MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3131.07ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 116.4MB in the beginning and 65.9MB in the end (delta: 50.5MB). Peak memory consumption was 101.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 234.44ms. Allocated memory is still 199.2MB. Free memory was 65.9MB in the beginning and 74.6MB in the end (delta: -8.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 251.40ms. Allocated memory was 199.2MB in the beginning and 241.2MB in the end (delta: 41.9MB). Free memory was 74.6MB in the beginning and 103.0MB in the end (delta: -28.4MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * RCFGBuilder took 10963.92ms. Allocated memory was 241.2MB in the beginning and 421.5MB in the end (delta: 180.4MB). Free memory was 103.0MB in the beginning and 118.8MB in the end (delta: -15.8MB). Peak memory consumption was 230.0MB. Max. memory is 16.1GB. * TraceAbstraction took 128385.60ms. Allocated memory was 421.5MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 118.8MB in the beginning and 701.9MB in the end (delta: -583.2MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 1.8GB. Free memory was 701.9MB in the beginning and 700.9MB 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: 13668]: 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 12798, overapproximation of bitwiseAnd at line 12804. Possible FailurePath: [L7687] static unsigned int vhost_zcopy_mask ; [L10792] static struct target_fabric_configfs *tcm_vhost_fabric_configfs ; [L10793] static struct workqueue_struct *tcm_vhost_workqueue ; [L10794-L10797] static struct mutex tcm_vhost_mutex = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "tcm_vhost_mutex.wait_lock", 0, 0UL}}}}, {& tcm_vhost_mutex.wait_list, & tcm_vhost_mutex.wait_list}, 0, 0, (void *)(& tcm_vhost_mutex), {0, {0, 0}, "tcm_vhost_mutex", 0, 0UL}}; [L10798] static struct list_head tcm_vhost_list = {& tcm_vhost_list, & tcm_vhost_list}; [L12183-L12186] static struct file_operations const vhost_scsi_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_scsi_ioctl, & vhost_scsi_compat_ioctl, 0, & vhost_scsi_open, 0, & vhost_scsi_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12187-L12188] static struct miscdevice vhost_scsi_misc = {255, "vhost-scsi", & vhost_scsi_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L12540] static struct target_fabric_tpg_attribute tcm_vhost_tpg_nexus = {{"nexus", & __this_module, 420U}, & tcm_vhost_tpg_show_nexus, & tcm_vhost_tpg_store_nexus}; [L12541] static struct configfs_attribute *tcm_vhost_tpg_attrs[2U] = { & tcm_vhost_tpg_nexus.attr, 0}; [L12732] static struct target_fabric_wwn_attribute tcm_vhost_wwn_version = {{"version", & __this_module, 292U}, & tcm_vhost_wwn_show_attr_version, 0}; [L12733] static struct configfs_attribute *tcm_vhost_wwn_attrs[2U] = { & tcm_vhost_wwn_version.attr, 0}; [L12734-L12745] static struct target_core_fabric_ops tcm_vhost_ops = {0, & tcm_vhost_get_fabric_name, & tcm_vhost_get_fabric_proto_ident, & tcm_vhost_get_fabric_wwn, & tcm_vhost_get_tag, & tcm_vhost_get_default_depth, & tcm_vhost_get_pr_transport_id, & tcm_vhost_get_pr_transport_id_len, & tcm_vhost_parse_pr_out_transport_id, & tcm_vhost_check_true, & tcm_vhost_check_true, & tcm_vhost_check_false, & tcm_vhost_check_false, 0, & tcm_vhost_alloc_fabric_acl, & tcm_vhost_release_fabric_acl, & tcm_vhost_tpg_get_inst_index, 0, & tcm_vhost_release_cmd, 0, & tcm_vhost_shutdown_session, & tcm_vhost_close_session, & tcm_vhost_sess_get_index, 0, & tcm_vhost_write_pending, & tcm_vhost_write_pending_status, & tcm_vhost_set_default_node_attrs, & tcm_vhost_get_task_tag, & tcm_vhost_get_cmd_state, & tcm_vhost_queue_data_in, & tcm_vhost_queue_status, & tcm_vhost_queue_tm_rsp, & tcm_vhost_make_tport, & tcm_vhost_drop_tport, & tcm_vhost_make_tpg, & tcm_vhost_drop_tpg, & tcm_vhost_port_link, & tcm_vhost_port_unlink, 0, 0, & tcm_vhost_make_nodeacl, & tcm_vhost_drop_nodeacl}; [L12885] int LDV_IN_INTERRUPT ; [L13678] static int ldv_mutex_cred_guard_mutex ; [L13785] static int ldv_mutex_lock ; [L13892] static int ldv_mutex_mtx ; [L13999] static int ldv_mutex_mutex ; [L14106] static int ldv_mutex_tcm_vhost_mutex ; [L14213] static int ldv_mutex_tv_tpg_mutex ; [L12888] struct inode *var_group1 ; [L12889] struct file *var_group2 ; [L12890] unsigned int var_vhost_scsi_ioctl_44_p1 ; [L12891] unsigned long var_vhost_scsi_ioctl_44_p2 ; [L12892] unsigned int var_vhost_scsi_compat_ioctl_45_p1 ; [L12893] unsigned long var_vhost_scsi_compat_ioctl_45_p2 ; [L12894] int res_vhost_scsi_open_39 ; [L12895] struct se_portal_group *var_group3 ; [L12896] struct se_node_acl *var_group4 ; [L12897] struct t10_pr_registration *var_tcm_vhost_get_pr_transport_id_7_p2 ; [L12898] int *var_tcm_vhost_get_pr_transport_id_7_p3 ; [L12899] unsigned char *var_tcm_vhost_get_pr_transport_id_7_p4 ; [L12900] struct t10_pr_registration *var_tcm_vhost_get_pr_transport_id_len_8_p2 ; [L12901] int *var_tcm_vhost_get_pr_transport_id_len_8_p3 ; [L12902] char const *var_tcm_vhost_parse_pr_out_transport_id_9_p1 ; [L12903] u32 *var_tcm_vhost_parse_pr_out_transport_id_9_p2 ; [L12904] char **var_tcm_vhost_parse_pr_out_transport_id_9_p3 ; [L12905] struct se_cmd *var_group5 ; [L12906] struct se_session *var_group6 ; [L12907] struct target_fabric_configfs *var_group7 ; [L12908] struct config_group *var_group8 ; [L12909] char const *var_tcm_vhost_make_tport_59_p2 ; [L12910] struct se_wwn *var_group9 ; [L12911] char const *var_tcm_vhost_make_tpg_57_p2 ; [L12912] struct se_lun *var_group10 ; [L12913] char const *var_tcm_vhost_make_nodeacl_51_p2 ; [L12914] int ldv_s_vhost_scsi_fops_file_operations ; [L12915] int tmp ; [L12916] int tmp___0 ; [L12917] int tmp___1 ; [L12919] ldv_s_vhost_scsi_fops_file_operations = 0 [L12920] LDV_IN_INTERRUPT = 1 [L12921] CALL ldv_initialize() [L14323] ldv_mutex_cred_guard_mutex = 1 [L14324] ldv_mutex_lock = 1 [L14325] ldv_mutex_mtx = 1 [L14326] ldv_mutex_mutex = 1 [L14327] ldv_mutex_tcm_vhost_mutex = 1 [L14328] ldv_mutex_tv_tpg_mutex = 1 [L12921] RET ldv_initialize() [L12922] FCALL ldv_handler_precall() VAL [__this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12923] CALL, EXPR tcm_vhost_init() [L12839] int ret ; [L12840] struct lock_class_key __key ; [L12841] char const *__lock_name ; [L12842] struct workqueue_struct *tmp ; [L12844] ret = -12 [L12845] __lock_name = "tcm_vhost" [L12846] tmp = __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name) [L12847] tcm_vhost_workqueue = tmp VAL [__alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={365:-364}, __key={363:0}, __lock_name={351:0}, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=-12, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp={365:-364}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12848] COND FALSE !((unsigned long )tcm_vhost_workqueue == (unsigned long )((struct workqueue_struct *)0)) [L12852] CALL, EXPR vhost_scsi_register() [L12191] int tmp ; [L12193] CALL, EXPR misc_register(& vhost_scsi_misc) [L14561] return __VERIFIER_nondet_int(); [L12193] RET, EXPR misc_register(& vhost_scsi_misc) [L12193] tmp = misc_register(& vhost_scsi_misc) [L12194] return (tmp); [L12852] RET, EXPR vhost_scsi_register() [L12852] ret = vhost_scsi_register() [L12853] COND FALSE !(ret < 0) [L12857] CALL, EXPR tcm_vhost_register_configfs() [L12748] struct target_fabric_configfs *fabric ; [L12749] int ret ; [L12750] struct _ddebug descriptor ; [L12751] struct new_utsname *tmp ; [L12752] struct new_utsname *tmp___0 ; [L12753] long tmp___1 ; [L12754] long tmp___2 ; [L12755] long tmp___3 ; [L12756] struct _ddebug descriptor___0 ; [L12757] long tmp___4 ; [L12759] descriptor.modname = "tcm_vhost" [L12760] descriptor.function = "tcm_vhost_register_configfs" [L12761] descriptor.filename = "/work/vladimir/UFO/Work/test/work/current--X--drivers/vhost/tcm_vhost.ko--X--defaultlinux-3.7.3--X--32_7a--X--ufo/linux-3.7.3/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/vhost/tcm_vhost.c.prepared" [L12762] descriptor.format = "TCM_VHOST fabric module %s on %s/%s on 3.7.3\n" [L12763] descriptor.lineno = 1561U [L12764] descriptor.flags = 0U [L12765] EXPR descriptor.flags VAL [__this_module={36893488147419103234:36893488147419103238}, descriptor={367:0}, descriptor.flags=0, descriptor___0={366:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12765] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L13675] return (exp); [L12765] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [__this_module={36893488147419103234:36893488147419103238}, descriptor={367:0}, descriptor.flags=0, descriptor___0={366:0}, ldv__builtin_expect((long )descriptor.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12765] tmp___1 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L12766] COND FALSE !(tmp___1 != 0L) VAL [__this_module={36893488147419103234:36893488147419103238}, descriptor={367:0}, descriptor___0={366:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp___1=0, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12773] CALL, EXPR target_fabric_configfs_init(& __this_module, "vhost") [L14636] CALL, EXPR ldv_malloc(sizeof(struct target_fabric_configfs)) VAL [__this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L7220] COND FALSE !(__VERIFIER_nondet_int()) [L7225] return ((void *)0); [L14636] RET, EXPR ldv_malloc(sizeof(struct target_fabric_configfs)) VAL [__this_module={36893488147419103234:36893488147419103238}, arg0={36893488147419103234:36893488147419103238}, arg0={36893488147419103234:36893488147419103238}, arg1={338:0}, arg1={338:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct target_fabric_configfs))={0:0}, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L14636] return ldv_malloc(sizeof(struct target_fabric_configfs)); [L12773] RET, EXPR target_fabric_configfs_init(& __this_module, "vhost") [L12773] fabric = target_fabric_configfs_init(& __this_module, "vhost") [L12774] CALL, EXPR IS_ERR((void const *)fabric) VAL [__this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L6795] long tmp ; VAL [__this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L6797] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L13675] return (exp); [L6797] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [__this_module={36893488147419103234:36893488147419103238}, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L6797] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L6798] return (tmp); [L12774] RET, EXPR IS_ERR((void const *)fabric) VAL [__this_module={36893488147419103234:36893488147419103238}, descriptor={367:0}, descriptor___0={366:0}, fabric={0:0}, IS_ERR((void const *)fabric)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp___1=0, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12774] tmp___3 = IS_ERR((void const *)fabric) [L12775] COND FALSE !(tmp___3 != 0L) [L12781] fabric->tf_ops = tcm_vhost_ops [L12782] fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = (struct configfs_attribute **)(& tcm_vhost_wwn_attrs) [L12783] fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = (struct configfs_attribute **)(& tcm_vhost_tpg_attrs) [L12784] fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = 0 [L12785] fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = 0 [L12786] fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = 0 [L12787] fabric->tf_cit_tmpl.tfc_tpg_nacl_base_cit.ct_attrs = 0 [L12788] fabric->tf_cit_tmpl.tfc_tpg_nacl_attrib_cit.ct_attrs = 0 [L12789] fabric->tf_cit_tmpl.tfc_tpg_nacl_auth_cit.ct_attrs = 0 [L12790] fabric->tf_cit_tmpl.tfc_tpg_nacl_param_cit.ct_attrs = 0 [L12791] CALL, EXPR target_fabric_configfs_register(fabric) [L14640] return __VERIFIER_nondet_int(); [L12791] RET, EXPR target_fabric_configfs_register(fabric) [L12791] ret = target_fabric_configfs_register(fabric) [L12792] COND FALSE !(ret < 0) [L12797] tcm_vhost_fabric_configfs = fabric [L12798] descriptor___0.modname = "tcm_vhost" [L12799] descriptor___0.function = "tcm_vhost_register_configfs" [L12800] descriptor___0.filename = "/work/vladimir/UFO/Work/test/work/current--X--drivers/vhost/tcm_vhost.ko--X--defaultlinux-3.7.3--X--32_7a--X--ufo/linux-3.7.3/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/vhost/tcm_vhost.c.prepared" [L12801] descriptor___0.format = "TCM_VHOST[0] - Set fabric -> tcm_vhost_fabric_configfs\n" [L12802] descriptor___0.lineno = 1599U [L12803] descriptor___0.flags = 0U [L12804] EXPR descriptor___0.flags VAL [__this_module={36893488147419103234:36893488147419103238}, descriptor={367:0}, descriptor___0={366:0}, descriptor___0.flags=0, fabric={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp___1=0, tmp___3=0, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12804] CALL, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L13675] return (exp); [L12804] RET, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [__this_module={36893488147419103234:36893488147419103238}, descriptor={367:0}, descriptor___0={366:0}, descriptor___0.flags=0, fabric={0:0}, ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp___1=0, tmp___3=0, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12804] tmp___4 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L12805] COND FALSE !(tmp___4 != 0L) [L12809] return (0); [L12809] return (0); [L12809] return (0); VAL [\result=0, __dynamic_pr_debug(& descriptor___0, "TCM_VHOST[0] - Set fabric -> tcm_vhost_fabric_configfs\n")=36893488147419103249, __this_module={36893488147419103234:36893488147419103238}, fabric={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp___1=0, tmp___3=0, tmp___4=0, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12857] RET, EXPR tcm_vhost_register_configfs() [L12857] ret = tcm_vhost_register_configfs() [L12858] COND FALSE !(ret < 0) [L12862] return (0); [L12862] return (0); VAL [\result=0, __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={365:-364}, __lock_name={351:0}, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp={365:-364}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12923] RET, EXPR tcm_vhost_init() [L12923] tmp = tcm_vhost_init() [L12924] COND FALSE !(tmp != 0) VAL [__this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp=0, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L13102] tmp___1 = __VERIFIER_nondet_int() [L13103] COND TRUE tmp___1 != 0 || ldv_s_vhost_scsi_fops_file_operations != 0 [L12930] tmp___0 = __VERIFIER_nondet_int() [L12932] case 0: [L12945] case 1: [L12953] case 2: [L12957] case 3: VAL [__this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp=0, tmp___0=3, tmp___1=1, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12958] FCALL ldv_handler_precall() VAL [__this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp=0, tmp___0=3, tmp___1=1, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12959] CALL vhost_scsi_compat_ioctl(var_group2, var_vhost_scsi_compat_ioctl_45_p1, var_vhost_scsi_compat_ioctl_45_p2) [L12175] void *tmp ; [L12176] long tmp___0 ; [L12178] CALL, EXPR compat_ptr((compat_uptr_t )arg) [L7259] return ((void *)((unsigned long )uptr)); [L12178] RET, EXPR compat_ptr((compat_uptr_t )arg) [L12178] tmp = compat_ptr((compat_uptr_t )arg) [L12179] CALL vhost_scsi_ioctl(f, ioctl, (unsigned long )tmp) VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12095] struct vhost_scsi *vs ; [L12096] struct vhost_scsi_target backend ; [L12097] void *argp ; [L12098] u64 *featurep ; [L12099] u64 features ; [L12100] int r ; [L12101] int abi_version ; [L12102] unsigned long tmp ; [L12103] int tmp___0 ; [L12104] unsigned long tmp___1 ; [L12105] int tmp___2 ; [L12106] int tmp___3 ; [L12107] int tmp___4 ; [L12108] unsigned long tmp___5 ; [L12109] int tmp___6 ; [L12110] long tmp___7 ; [L12112] EXPR f->private_data [L12112] vs = (struct vhost_scsi *)f->private_data [L12113] argp = (void *)arg [L12114] featurep = (u64 *)argp [L12115] abi_version = 0 [L12117] case 1088991040U: [L12129] case 1088991041U: [L12141] case 1074048834U: [L12148] case 2148052736U: [L12156] case 1074310912U: [L12164] default: [L12165] CALL ldv_mutex_lock_44(& vs->dev.mutex) [L13467] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={36893488147419103308:402}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L14037] COND TRUE ldv_mutex_mutex == 1 VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={36893488147419103308:402}, lock={36893488147419103308:402}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L14041] ldv_mutex_mutex = 2 [L13467] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, ldv_func_arg1={36893488147419103308:402}, ldv_func_arg1={36893488147419103308:402}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L13468] FCALL mutex_lock(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, ldv_func_arg1={36893488147419103308:402}, ldv_func_arg1={36893488147419103308:402}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12165] RET ldv_mutex_lock_44(& vs->dev.mutex) [L12166] CALL vhost_dev_ioctl(& vs->dev, ioctl, arg) [L8943] void *argp ; [L8944] struct file *eventfp ; [L8945] struct file *filep ; [L8946] struct eventfd_ctx *ctx ; [L8947] u64 p ; [L8948] long r ; [L8949] int i ; [L8950] int fd ; [L8951] unsigned long tmp ; [L8952] struct vhost_virtqueue *vq ; [L8953] void *base ; [L8954] int tmp___0 ; [L8955] int __ret_gu ; [L8956] unsigned long __val_gu ; [L8957] struct file *tmp___1 ; [L8958] long tmp___2 ; [L8959] struct eventfd_ctx *tmp___3 ; [L8961] argp = (void *)arg [L8962] filep = 0 [L8963] ctx = 0 VAL [\old(arg)=4294967294, \old(ioctl)=2147483648, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, arg=4294967294, argp={0:4294967294}, ctx={0:0}, d={36893488147419103308:386}, d={36893488147419103308:386}, filep={0:0}, ioctl=2147483648, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, p={371:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8964] COND FALSE !(ioctl == 44801U) [L8969] CALL, EXPR vhost_dev_check_owner(d) [L8126] struct task_struct *tmp ; VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, dev={36893488147419103308:386}, dev={36893488147419103308:386}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8128] CALL, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L6751] struct task_struct *pfo_ret__ ; [L6754] case 1UL: [L6757] case 2UL: [L6760] case 4UL: [L6763] case 8UL: [L6770] return (pfo_ret__); [L8128] RET, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, dev={36893488147419103308:386}, dev={36893488147419103308:386}, get_current()={36893488147419103282:-3}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8128] tmp = get_current() [L8129] EXPR dev->mm [L8129] EXPR tmp->mm [L8129] return ((unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L); [L8969] RET, EXPR vhost_dev_check_owner(d) [L8969] r = vhost_dev_check_owner(d) [L8970] COND FALSE !(r != 0L) [L8975] case 1074310915U: [L8978] case 1074310916U: [L9009] case 1074048775U: [L9080] default: [L9081] CALL vhost_set_vring(d, (int )ioctl, argp) [L8658] struct file *eventfp ; [L8659] struct file *filep ; [L8660] bool pollstart ; [L8661] bool pollstop ; [L8662] struct eventfd_ctx *ctx ; [L8663] u32 *idxp ; [L8664] struct vhost_virtqueue *vq ; [L8665] struct vhost_vring_state s ; [L8666] struct vhost_vring_file f ; [L8667] struct vhost_vring_addr a ; [L8668] u32 idx ; [L8669] long r ; [L8670] int __ret_gu ; [L8671] unsigned long __val_gu ; [L8672] unsigned long tmp ; [L8673] unsigned long tmp___0 ; [L8674] int tmp___1 ; [L8675] unsigned long tmp___2 ; [L8676] int tmp___3 ; [L8677] int tmp___4 ; [L8678] unsigned long tmp___5 ; [L8679] struct file *tmp___6 ; [L8680] long tmp___7 ; [L8681] struct file *tmp___8 ; [L8682] unsigned long tmp___9 ; [L8683] struct file *tmp___10 ; [L8684] long tmp___11 ; [L8685] struct eventfd_ctx *tmp___12 ; [L8686] unsigned long tmp___13 ; [L8687] struct file *tmp___14 ; [L8688] long tmp___15 ; [L8689] struct eventfd_ctx *tmp___16 ; [L8691] filep = 0 [L8692] pollstart = 0 [L8693] pollstop = 0 [L8694] ctx = 0 [L8695] idxp = (u32 *)argp VAL [\old(ioctl)=-2147483648, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, a={362:0}, argp={0:4294967294}, argp={0:4294967294}, ctx={0:0}, d={36893488147419103308:386}, d={36893488147419103308:386}, f={374:0}, filep={0:0}, idxp={0:4294967294}, ioctl=-2147483648, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, pollstart=0, pollstop=0, s={373:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8696] FCALL might_fault() VAL [\old(ioctl)=-2147483648, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, a={362:0}, argp={0:4294967294}, argp={0:4294967294}, ctx={0:0}, d={36893488147419103308:386}, d={36893488147419103308:386}, f={374:0}, filep={0:0}, idxp={0:4294967294}, ioctl=-2147483648, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, pollstart=0, pollstop=0, s={373:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8698] case 1UL: [L8701] case 2UL: [L8704] case 4UL: [L8715] idx = (unsigned int )__val_gu [L8716] r = (long )__ret_gu VAL [\old(ioctl)=-2147483648, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __ret_gu=375, __this_module={36893488147419103234:36893488147419103238}, __val_gu=376, a={362:0}, argp={0:4294967294}, argp={0:4294967294}, ctx={0:0}, d={36893488147419103308:386}, d={36893488147419103308:386}, f={374:0}, filep={0:0}, idx=376, idxp={0:4294967294}, ioctl=-2147483648, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, pollstart=0, pollstop=0, r=375, s={373:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8717] COND FALSE !(r < 0L) [L8721] EXPR d->nvqs VAL [\old(ioctl)=-2147483648, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __ret_gu=375, __this_module={36893488147419103234:36893488147419103238}, __val_gu=376, a={362:0}, argp={0:4294967294}, argp={0:4294967294}, ctx={0:0}, d={36893488147419103308:386}, d={36893488147419103308:386}, d->nvqs=4294967673, f={374:0}, filep={0:0}, idx=376, idxp={0:4294967294}, ioctl=-2147483648, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, pollstart=0, pollstop=0, r=375, s={373:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8721] COND FALSE !((u32 )d->nvqs <= idx) [L8725] EXPR d->vqs [L8725] vq = d->vqs + (unsigned long )idx [L8726] CALL ldv_mutex_lock_14(& vq->mutex) [L13227] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={36893488147419103264:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L14037] COND FALSE !(ldv_mutex_mutex == 1) VAL [\old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={36893488147419103264:0}, lock={36893488147419103264:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L14039] CALL ldv_error() VAL [\old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L13668] reach_error() VAL [\old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103234:36893488147419103238}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 115 procedures, 1965 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 128.3s, OverallIterations: 19, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 109.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 36 mSolverCounterUnknown, 33224 SdHoareTripleChecker+Valid, 101.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33003 mSDsluCounter, 113253 SdHoareTripleChecker+Invalid, 98.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63860 mSDsCounter, 419 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13710 IncrementalHoareTripleChecker+Invalid, 14165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 419 mSolverCounterUnsat, 49393 mSDtfsCounter, 13710 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13655occurred in iteration=8, InterpolantAutomatonStates: 73, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 8.8s AutomataMinimizationTime, 18 MinimizatonAttempts, 6664 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 763 NumberOfCodeBlocks, 763 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 662 ConstructedInterpolants, 0 QuantifiedInterpolants, 1289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 36/36 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 14:23:56,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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_10112252-a5c7-4717-8544-9f5e21603ea7/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 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 --- 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 14:23:57,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:23:57,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:23:57,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:23:57,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:23:57,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:23:57,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:23:57,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:23:57,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:23:57,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:23:57,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:23:57,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:23:57,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:23:57,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:23:57,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:23:57,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:23:57,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:23:57,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:23:57,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:23:57,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:23:57,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:23:57,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:23:57,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:23:57,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:23:57,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:23:57,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:23:57,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:23:57,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:23:57,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:23:57,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:23:57,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:23:57,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:23:57,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:23:57,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:23:57,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:23:57,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:23:57,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:23:57,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:23:57,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:23:57,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:23:57,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:23:57,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 14:23:57,764 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:23:57,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:23:57,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:23:57,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:23:57,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:23:57,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:23:57,765 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:23:57,765 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:23:57,765 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:23:57,765 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:23:57,765 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:23:57,765 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:23:57,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:23:57,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:23:57,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:23:57,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:23:57,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:23:57,766 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 14:23:57,767 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 14:23:57,767 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 14:23:57,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:23:57,767 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:23:57,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:23:57,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:23:57,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 14:23:57,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:23:57,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:23:57,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:23:57,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:23:57,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:23:57,768 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 14:23:57,768 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 14:23:57,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:23:57,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:23:57,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 14:23:57,769 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_10112252-a5c7-4717-8544-9f5e21603ea7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 [2022-12-14 14:23:57,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:23:57,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:23:57,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:23:57,998 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:23:57,998 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:23:57,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-12-14 14:24:00,553 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:24:00,943 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:24:00,943 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-12-14 14:24:00,986 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/data/d87a42734/c21ffd24fa104f21ac86cb68bbbba7c0/FLAGb2a6c983c [2022-12-14 14:24:01,000 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/data/d87a42734/c21ffd24fa104f21ac86cb68bbbba7c0 [2022-12-14 14:24:01,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:24:01,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:24:01,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:24:01,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:24:01,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:24:01,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:24:01" (1/1) ... [2022-12-14 14:24:01,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cfbed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:01, skipping insertion in model container [2022-12-14 14:24:01,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:24:01" (1/1) ... [2022-12-14 14:24:01,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:24:01,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:24:01,574 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-12-14 14:24:01,608 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 14:24:01,628 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 14:24:01,650 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:24:02,267 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:24:02,311 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 14:24:02,316 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 14:24:02,321 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 14:24:02,325 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 14:24:02,330 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 14:24:02,380 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-14 14:24:02,391 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 14:24:02,395 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 14:24:02,403 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:02,403 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:24:02,404 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 14:24:02,404 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:02,409 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:02,410 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:24:02,410 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:02,415 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:02,415 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:24:02,415 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:02,441 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:24:02,627 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:02,627 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 14:24:02,628 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 14:24:02,628 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 14:24:02,633 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:02,633 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 14:24:02,638 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:02,644 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:02,869 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:02,877 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 14:24:02,883 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:24:02,886 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 14:24:02,897 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 14:24:02,898 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:24:02,898 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:24:02,900 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:24:02,900 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:24:02,912 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-14 14:24:02,913 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:24:02,914 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:24:02,914 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 14:24:02,916 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:24:02,916 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:24:02,916 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-14 14:24:02,921 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:02,921 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:02,922 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:02,922 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:02,936 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:24:02,936 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:24:02,938 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:24:02,945 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-14 14:24:02,954 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-14 14:24:02,955 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 14:24:02,955 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:24:02,956 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 14:24:02,956 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 14:24:02,962 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:02,963 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:02,963 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:02,964 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:02,965 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:02,966 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:02,966 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:02,967 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:02,967 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:02,968 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:02,969 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:02,969 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:24:02,970 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 14:24:02,970 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 14:24:02,992 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:02,993 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:02,993 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:02,998 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:02,998 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:02,999 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:03,007 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,008 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,008 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:03,008 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:03,009 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:03,009 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,014 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:03,021 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:24:03,022 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:24:03,023 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:24:03,024 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:24:03,025 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:24:03,026 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:03,026 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:03,030 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:03,042 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:24:03,043 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:24:03,044 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:03,044 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:03,054 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 14:24:03,055 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-14 14:24:03,055 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:24:03,061 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,066 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:03,067 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,072 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:03,073 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,074 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:03,079 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:03,080 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:03,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,093 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,094 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,095 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,097 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,098 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,098 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,099 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-14 14:24:03,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,101 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,102 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,103 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,105 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,107 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,107 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,109 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:24:03,111 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,111 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,113 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,113 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,114 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:24:03,115 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,116 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,117 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,118 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,119 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,120 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,121 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,121 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,123 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,124 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,125 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,126 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,126 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,128 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,129 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,131 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:03,132 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,133 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,133 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:03,134 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,134 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,135 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:03,136 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,136 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,137 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,144 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,144 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,146 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:03,147 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,148 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,148 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,154 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:24:03,155 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,155 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,156 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:03,157 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,157 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,158 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,160 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,161 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,162 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,162 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,163 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:24:03,164 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,164 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,166 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,167 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,171 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:24:03,172 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:24:03,173 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 14:24:03,174 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:24:03,174 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:24:03,174 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,193 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-12-14 14:24:03,193 WARN L623 FunctionHandler]: Unknown extern function fc_get_fabric_proto_ident [2022-12-14 14:24:03,193 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_fabric_proto_ident [2022-12-14 14:24:03,193 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,194 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-12-14 14:24:03,211 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-12-14 14:24:03,211 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id [2022-12-14 14:24:03,212 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id [2022-12-14 14:24:03,212 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,212 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-12-14 14:24:03,217 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-12-14 14:24:03,218 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id_len [2022-12-14 14:24:03,218 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id_len [2022-12-14 14:24:03,218 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,219 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-12-14 14:24:03,223 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-12-14 14:24:03,224 WARN L623 FunctionHandler]: Unknown extern function fc_parse_pr_out_transport_id [2022-12-14 14:24:03,224 WARN L623 FunctionHandler]: Unknown extern function iscsi_parse_pr_out_transport_id [2022-12-14 14:24:03,224 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,225 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-12-14 14:24:03,229 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,234 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,258 WARN L623 FunctionHandler]: Unknown extern function target_execute_cmd [2022-12-14 14:24:03,295 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-14 14:24:03,296 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:24:03,296 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,296 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,302 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:24:03,307 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,309 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,320 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 14:24:03,321 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:24:03,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,327 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 14:24:03,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,329 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:24:03,329 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,334 WARN L623 FunctionHandler]: Unknown extern function target_submit_cmd_map_sgls [2022-12-14 14:24:03,335 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-12-14 14:24:03,335 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-14 14:24:03,340 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,343 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,344 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,345 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,346 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,347 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,348 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,349 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,350 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,351 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,351 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,352 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,353 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,355 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,355 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,355 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:24:03,356 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:24:03,356 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-12-14 14:24:03,361 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,366 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,387 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:24:03,388 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,394 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,420 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 14:24:03,424 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:24:03,448 WARN L623 FunctionHandler]: Unknown extern function core_tpg_add_initiator_node_acl [2022-12-14 14:24:03,453 WARN L623 FunctionHandler]: Unknown extern function core_tpg_del_initiator_node_acl [2022-12-14 14:24:03,453 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,458 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,459 WARN L623 FunctionHandler]: Unknown extern function transport_init_session [2022-12-14 14:24:03,459 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,459 WARN L623 FunctionHandler]: Unknown extern function core_tpg_check_initiator_node_acl [2022-12-14 14:24:03,460 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,460 WARN L623 FunctionHandler]: Unknown extern function transport_free_session [2022-12-14 14:24:03,460 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,460 WARN L623 FunctionHandler]: Unknown extern function __transport_register_session [2022-12-14 14:24:03,465 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,466 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,467 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,467 WARN L623 FunctionHandler]: Unknown extern function transport_deregister_session [2022-12-14 14:24:03,467 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,478 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 14:24:03,478 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,479 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:03,479 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,480 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:03,480 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,480 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:03,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,487 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:03,488 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,488 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:24:03,489 WARN L623 FunctionHandler]: Unknown extern function core_tpg_register [2022-12-14 14:24:03,489 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,494 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:24:03,494 WARN L623 FunctionHandler]: Unknown extern function core_tpg_deregister [2022-12-14 14:24:03,494 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,499 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,499 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:03,500 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:03,500 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:03,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,501 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,501 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,501 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,502 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,507 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,507 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,512 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 14:24:03,518 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,518 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_init [2022-12-14 14:24:03,519 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,520 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_register [2022-12-14 14:24:03,520 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:03,521 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,526 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_deregister [2022-12-14 14:24:03,526 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:03,531 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 14:24:03,531 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:24:03,535 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:24:03,554 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,555 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,555 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 14:24:03,555 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,555 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,555 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,556 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,556 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,556 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,556 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,556 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,556 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,557 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,557 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,557 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,557 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,557 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,557 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,558 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,558 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,558 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,558 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,558 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,558 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,559 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,559 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,559 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,559 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,559 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,559 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,560 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,560 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,560 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,560 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,560 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,560 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,560 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,561 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,561 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,561 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:03,562 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,562 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,562 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,562 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,562 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,563 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,563 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,563 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,563 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,563 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 14:24:03,564 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,564 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,564 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,564 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,564 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,565 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,565 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,565 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,565 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,565 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,566 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,566 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,566 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,566 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,566 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,567 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,567 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,567 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,567 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,567 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,568 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,568 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,568 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,568 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,568 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,568 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,569 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,569 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,569 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,569 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,569 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,570 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,570 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,570 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,570 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,570 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,571 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,571 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,571 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,571 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,572 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,572 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,572 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,572 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,572 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,573 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,574 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,574 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,575 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,575 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:03,575 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:03,579 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_10112252-a5c7-4717-8544-9f5e21603ea7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-12-14 14:24:03,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:24:03,746 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 14:24:03,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:24:03,918 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-12-14 14:24:03,919 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 14:24:03,919 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 14:24:03,920 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:24:03,922 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:24:03,922 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 14:24:03,923 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 14:24:03,923 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 14:24:03,923 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 14:24:03,923 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 14:24:03,925 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-14 14:24:03,925 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 14:24:03,925 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 14:24:03,926 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:03,926 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:24:03,926 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 14:24:03,926 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:03,926 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:03,927 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:24:03,927 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:03,927 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:03,927 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:24:03,928 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:03,928 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:24:03,933 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:03,933 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 14:24:03,934 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 14:24:03,934 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 14:24:03,934 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:03,934 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 14:24:03,935 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:03,935 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:03,937 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:03,938 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 14:24:03,939 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:24:03,940 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 14:24:03,941 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 14:24:03,941 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:24:03,941 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:24:03,942 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:24:03,942 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:24:03,944 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-14 14:24:03,944 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:24:03,945 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:24:03,945 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 14:24:03,945 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:24:03,946 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:24:03,946 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-14 14:24:03,946 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,946 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,946 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,947 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,949 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:24:03,950 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:24:03,950 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:24:03,952 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-14 14:24:03,953 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-14 14:24:03,953 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 14:24:03,953 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:24:03,954 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 14:24:03,954 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 14:24:03,956 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:03,957 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:03,957 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:03,957 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:03,958 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:03,958 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:03,959 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:03,959 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:03,959 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:03,959 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:03,959 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,960 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:24:03,960 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 14:24:03,960 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 14:24:03,963 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:03,964 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:03,964 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:03,964 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:03,965 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:03,965 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:03,967 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,968 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,974 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:03,975 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:03,975 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:03,975 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:03,976 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:03,980 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:24:03,981 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:24:03,982 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:24:03,982 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:24:03,983 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:24:03,984 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:03,984 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:03,986 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:03,987 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:24:03,987 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:24:03,988 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:03,989 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:03,990 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 14:24:03,990 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-14 14:24:03,991 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:24:03,992 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,993 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:03,994 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,994 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:03,995 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:03,996 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:03,997 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:03,997 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:04,000 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,001 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,002 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,002 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,003 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,003 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,004 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,005 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,005 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-14 14:24:04,006 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,006 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,007 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,007 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,008 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,009 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,010 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,011 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,013 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:24:04,014 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,014 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,015 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,015 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,016 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:24:04,017 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,017 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,018 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,018 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,019 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,020 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,021 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,021 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,022 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,022 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,023 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,024 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,025 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,025 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,026 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,027 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,029 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:04,029 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,030 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,030 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:04,031 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,031 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,032 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:04,032 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,032 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,033 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,035 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,035 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,037 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:04,038 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,038 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,039 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,040 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:24:04,041 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,041 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,042 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:04,042 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,043 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,043 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,045 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,045 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,046 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,047 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,047 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:24:04,048 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,048 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,050 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,050 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,050 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:24:04,051 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:24:04,052 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 14:24:04,052 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:24:04,053 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:24:04,053 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,055 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-12-14 14:24:04,055 WARN L623 FunctionHandler]: Unknown extern function fc_get_fabric_proto_ident [2022-12-14 14:24:04,056 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_fabric_proto_ident [2022-12-14 14:24:04,056 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,056 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-12-14 14:24:04,057 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-12-14 14:24:04,057 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id [2022-12-14 14:24:04,058 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id [2022-12-14 14:24:04,058 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,058 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-12-14 14:24:04,059 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-12-14 14:24:04,059 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id_len [2022-12-14 14:24:04,059 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id_len [2022-12-14 14:24:04,060 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,060 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-12-14 14:24:04,060 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-12-14 14:24:04,061 WARN L623 FunctionHandler]: Unknown extern function fc_parse_pr_out_transport_id [2022-12-14 14:24:04,061 WARN L623 FunctionHandler]: Unknown extern function iscsi_parse_pr_out_transport_id [2022-12-14 14:24:04,061 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,061 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-12-14 14:24:04,062 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,062 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,062 WARN L623 FunctionHandler]: Unknown extern function target_execute_cmd [2022-12-14 14:24:04,064 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-14 14:24:04,064 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:24:04,064 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,064 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,065 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:24:04,066 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,067 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,067 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,068 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,069 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 14:24:04,069 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:24:04,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,071 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 14:24:04,072 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,072 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:24:04,072 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,073 WARN L623 FunctionHandler]: Unknown extern function target_submit_cmd_map_sgls [2022-12-14 14:24:04,074 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-12-14 14:24:04,074 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-14 14:24:04,075 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,076 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,077 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,077 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,077 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,078 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,078 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,079 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,079 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,080 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,080 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,081 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,081 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,082 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,082 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,083 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,084 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,086 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,086 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,086 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:24:04,086 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:24:04,087 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-12-14 14:24:04,087 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,088 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,098 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,099 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:24:04,100 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,101 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,103 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 14:24:04,104 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:24:04,106 WARN L623 FunctionHandler]: Unknown extern function core_tpg_add_initiator_node_acl [2022-12-14 14:24:04,106 WARN L623 FunctionHandler]: Unknown extern function core_tpg_del_initiator_node_acl [2022-12-14 14:24:04,106 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,107 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,107 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,108 WARN L623 FunctionHandler]: Unknown extern function transport_init_session [2022-12-14 14:24:04,108 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,108 WARN L623 FunctionHandler]: Unknown extern function core_tpg_check_initiator_node_acl [2022-12-14 14:24:04,109 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,109 WARN L623 FunctionHandler]: Unknown extern function transport_free_session [2022-12-14 14:24:04,109 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,109 WARN L623 FunctionHandler]: Unknown extern function __transport_register_session [2022-12-14 14:24:04,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,110 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,111 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,111 WARN L623 FunctionHandler]: Unknown extern function transport_deregister_session [2022-12-14 14:24:04,111 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,112 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 14:24:04,113 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,113 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,114 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,114 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,115 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,117 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,117 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,118 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:24:04,118 WARN L623 FunctionHandler]: Unknown extern function core_tpg_register [2022-12-14 14:24:04,118 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,119 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:24:04,119 WARN L623 FunctionHandler]: Unknown extern function core_tpg_deregister [2022-12-14 14:24:04,119 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,119 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,120 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,120 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,120 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,121 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,121 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,121 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,123 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,123 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,123 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 14:24:04,125 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,125 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_init [2022-12-14 14:24:04,126 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,127 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_register [2022-12-14 14:24:04,127 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,127 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,128 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_deregister [2022-12-14 14:24:04,128 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,129 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 14:24:04,129 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:24:04,129 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:24:04,130 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,130 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,130 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 14:24:04,130 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,131 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,131 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,131 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,131 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,131 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,131 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,132 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,132 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,132 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,132 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,132 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,132 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,132 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,133 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,133 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,133 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,133 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,133 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,133 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,133 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,134 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,134 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,134 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,134 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,134 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,134 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,134 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,135 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,135 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,135 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,135 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,135 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,135 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,135 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,136 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,136 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,136 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,136 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,137 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,137 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,137 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,137 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,137 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,137 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,138 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,138 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 14:24:04,138 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,138 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,138 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,139 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,139 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,139 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,139 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,139 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,139 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,140 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,140 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,140 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,140 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,140 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,140 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,141 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,141 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,141 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,141 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,141 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,141 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,142 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,142 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,142 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,142 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,142 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,142 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,143 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,143 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,143 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,143 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,143 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,143 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,144 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,144 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,144 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,144 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,144 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,144 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,144 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,145 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,145 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,145 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,145 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,145 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,145 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,145 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,146 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,146 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,146 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,146 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,146 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,146 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,147 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,147 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,147 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,147 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,147 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,147 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_10112252-a5c7-4717-8544-9f5e21603ea7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-12-14 14:24:04,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:24:04,162 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:24:04,265 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-12-14 14:24:04,265 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 14:24:04,266 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 14:24:04,267 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:24:04,270 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 14:24:04,271 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 14:24:04,271 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-14 14:24:04,271 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 14:24:04,271 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-14 14:24:04,272 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 14:24:04,273 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-14 14:24:04,273 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-14 14:24:04,273 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-14 14:24:04,274 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:04,274 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:24:04,274 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-14 14:24:04,274 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:04,275 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:04,275 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:24:04,275 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:04,275 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:04,276 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-14 14:24:04,276 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:04,277 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:24:04,283 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:04,283 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 14:24:04,284 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 14:24:04,284 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-14 14:24:04,285 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:04,285 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 14:24:04,285 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:04,286 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:04,301 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:04,302 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 14:24:04,303 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:24:04,315 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 14:24:04,317 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 14:24:04,317 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:24:04,317 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:24:04,320 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:24:04,321 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:24:04,323 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-14 14:24:04,324 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 14:24:04,324 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:24:04,325 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-14 14:24:04,326 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:24:04,326 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:24:04,326 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-14 14:24:04,327 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,327 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,327 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,328 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,330 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:24:04,331 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:24:04,333 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:24:04,334 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-14 14:24:04,335 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-14 14:24:04,335 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-14 14:24:04,336 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-14 14:24:04,336 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 14:24:04,336 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 14:24:04,339 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:04,340 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:04,340 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:04,340 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:04,341 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:04,341 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:04,341 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:04,341 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:04,342 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:04,342 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:04,342 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,342 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:24:04,343 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-14 14:24:04,343 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-14 14:24:04,345 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:04,346 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:04,346 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:04,346 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:04,347 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:04,347 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:04,352 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,352 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,352 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:04,353 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-14 14:24:04,353 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:04,353 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,354 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:04,358 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:24:04,359 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:24:04,359 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:24:04,359 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:24:04,360 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:24:04,360 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:04,360 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:04,362 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:04,363 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-14 14:24:04,363 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-14 14:24:04,364 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-14 14:24:04,364 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-14 14:24:04,365 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 14:24:04,366 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-14 14:24:04,366 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:24:04,367 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,367 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:04,368 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,368 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:04,369 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,369 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:04,370 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 14:24:04,370 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-14 14:24:04,372 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,373 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,373 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,373 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,375 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,376 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,376 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,376 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-14 14:24:04,377 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,378 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,379 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,379 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,380 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,380 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,382 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,382 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,383 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:24:04,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,384 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,385 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,385 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,385 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:24:04,386 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,386 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,387 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,387 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,394 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,395 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,396 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,397 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,398 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,398 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,400 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,400 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,402 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,402 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,405 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,405 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,408 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:04,409 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,409 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,410 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:04,411 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,411 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,412 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-14 14:24:04,413 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,414 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,415 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,417 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,418 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,420 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:04,421 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,422 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,423 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,425 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:24:04,426 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,426 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,428 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 14:24:04,429 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,429 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,431 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,433 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,434 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,435 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,435 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,436 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-14 14:24:04,437 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,438 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,440 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,440 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,441 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:24:04,442 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:24:04,444 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 14:24:04,445 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 14:24:04,445 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:24:04,445 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,449 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-12-14 14:24:04,450 WARN L623 FunctionHandler]: Unknown extern function fc_get_fabric_proto_ident [2022-12-14 14:24:04,450 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_fabric_proto_ident [2022-12-14 14:24:04,450 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,451 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-12-14 14:24:04,453 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-12-14 14:24:04,453 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id [2022-12-14 14:24:04,453 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id [2022-12-14 14:24:04,454 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,454 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-12-14 14:24:04,455 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-12-14 14:24:04,455 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id_len [2022-12-14 14:24:04,456 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id_len [2022-12-14 14:24:04,456 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,456 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-12-14 14:24:04,457 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-12-14 14:24:04,458 WARN L623 FunctionHandler]: Unknown extern function fc_parse_pr_out_transport_id [2022-12-14 14:24:04,458 WARN L623 FunctionHandler]: Unknown extern function iscsi_parse_pr_out_transport_id [2022-12-14 14:24:04,458 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,459 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-12-14 14:24:04,460 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,460 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,461 WARN L623 FunctionHandler]: Unknown extern function target_execute_cmd [2022-12-14 14:24:04,476 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-14 14:24:04,476 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:24:04,477 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,477 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,478 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:24:04,479 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,481 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,482 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,482 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,484 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-14 14:24:04,485 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:24:04,487 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,487 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-12-14 14:24:04,488 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,489 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-14 14:24:04,489 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,491 WARN L623 FunctionHandler]: Unknown extern function target_submit_cmd_map_sgls [2022-12-14 14:24:04,491 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-12-14 14:24:04,492 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-12-14 14:24:04,493 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,494 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,496 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,497 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,498 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,498 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,499 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,500 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,501 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,502 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,502 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,503 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,504 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,505 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,509 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,510 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,512 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,512 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,514 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,515 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-14 14:24:04,515 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 14:24:04,515 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 14:24:04,516 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-12-14 14:24:04,517 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,519 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,525 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,526 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:24:04,527 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,528 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,531 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-14 14:24:04,531 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-14 14:24:04,533 WARN L623 FunctionHandler]: Unknown extern function core_tpg_add_initiator_node_acl [2022-12-14 14:24:04,533 WARN L623 FunctionHandler]: Unknown extern function core_tpg_del_initiator_node_acl [2022-12-14 14:24:04,534 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,535 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,535 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,535 WARN L623 FunctionHandler]: Unknown extern function transport_init_session [2022-12-14 14:24:04,535 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,535 WARN L623 FunctionHandler]: Unknown extern function core_tpg_check_initiator_node_acl [2022-12-14 14:24:04,536 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,536 WARN L623 FunctionHandler]: Unknown extern function transport_free_session [2022-12-14 14:24:04,537 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,537 WARN L623 FunctionHandler]: Unknown extern function __transport_register_session [2022-12-14 14:24:04,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,539 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,539 WARN L623 FunctionHandler]: Unknown extern function transport_deregister_session [2022-12-14 14:24:04,539 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,541 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 14:24:04,541 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,542 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,542 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,542 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,543 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,543 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,544 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,545 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,546 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:24:04,547 WARN L623 FunctionHandler]: Unknown extern function core_tpg_register [2022-12-14 14:24:04,547 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,548 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:24:04,548 WARN L623 FunctionHandler]: Unknown extern function core_tpg_deregister [2022-12-14 14:24:04,548 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,549 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,549 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,549 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,550 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-12-14 14:24:04,550 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,550 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,551 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,551 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,552 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,553 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,553 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:24:04,553 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 14:24:04,555 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,556 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_init [2022-12-14 14:24:04,556 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,565 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_register [2022-12-14 14:24:04,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 14:24:04,566 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,566 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_deregister [2022-12-14 14:24:04,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 14:24:04,567 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 14:24:04,567 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:24:04,567 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 14:24:04,568 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,568 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,568 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-14 14:24:04,569 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,569 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,569 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,569 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,569 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,569 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,569 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,569 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,569 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,570 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,570 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,570 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,570 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,570 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,570 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,570 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,570 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,570 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,570 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,571 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,571 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,571 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,571 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,571 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,571 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,571 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,571 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,571 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,572 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,572 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,572 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,572 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,572 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,572 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,572 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,572 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,573 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-14 14:24:04,573 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,573 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,573 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,574 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,574 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,574 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-14 14:24:04,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,574 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,574 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,574 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,575 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,575 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,575 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,575 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,575 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,575 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,575 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,575 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,576 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,576 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,576 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,576 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,576 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,576 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,576 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,576 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,576 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,577 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,577 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,577 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,577 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,577 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,577 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,577 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,577 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,577 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,578 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,578 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,578 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,578 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,578 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,578 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,578 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,578 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,579 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,579 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,579 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,579 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,579 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,579 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,579 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,579 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,579 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,580 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,580 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,580 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,580 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,580 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,580 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,580 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,580 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,580 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,581 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-14 14:24:04,581 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 14:24:04,581 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_10112252-a5c7-4717-8544-9f5e21603ea7/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-12-14 14:24:04,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:24:04,661 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:24:04,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04 WrapperNode [2022-12-14 14:24:04,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:24:04,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:24:04,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:24:04,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:24:04,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04" (1/1) ... [2022-12-14 14:24:04,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04" (1/1) ... [2022-12-14 14:24:04,908 INFO L138 Inliner]: procedures = 460, calls = 3483, calls flagged for inlining = 227, calls inlined = 194, statements flattened = 7520 [2022-12-14 14:24:04,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:24:04,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:24:04,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:24:04,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:24:04,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04" (1/1) ... [2022-12-14 14:24:04,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04" (1/1) ... [2022-12-14 14:24:04,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04" (1/1) ... [2022-12-14 14:24:04,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04" (1/1) ... [2022-12-14 14:24:05,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04" (1/1) ... [2022-12-14 14:24:05,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04" (1/1) ... [2022-12-14 14:24:05,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04" (1/1) ... [2022-12-14 14:24:05,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04" (1/1) ... [2022-12-14 14:24:05,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:24:05,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:24:05,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:24:05,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:24:05,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04" (1/1) ... [2022-12-14 14:24:05,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:24:05,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:24:05,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:24:05,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:24:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-12-14 14:24:05,270 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-12-14 14:24:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-12-14 14:24:05,270 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-12-14 14:24:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 14:24:05,270 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 14:24:05,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 14:24:05,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 14:24:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-12-14 14:24:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_fabric_acl [2022-12-14 14:24:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_fabric_acl [2022-12-14 14:24:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 14:24:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 14:24:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_access_ok [2022-12-14 14:24:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_access_ok [2022-12-14 14:24:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_close_session [2022-12-14 14:24:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_close_session [2022-12-14 14:24:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-12-14 14:24:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-12-14 14:24:05,271 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-12-14 14:24:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:24:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-14 14:24:05,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 14:24:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tcm_vhost_mutex [2022-12-14 14:24:05,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tcm_vhost_mutex [2022-12-14 14:24:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 14:24:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-14 14:24:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 14:24:05,272 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 14:24:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 14:24:05,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 14:24:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-12-14 14:24:05,272 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-12-14 14:24:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-12-14 14:24:05,272 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-12-14 14:24:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tpg [2022-12-14 14:24:05,272 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tpg [2022-12-14 14:24:05,272 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-12-14 14:24:05,273 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-12-14 14:24:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-14 14:24:05,273 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-14 14:24:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 14:24:05,273 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 14:24:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-12-14 14:24:05,273 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-12-14 14:24:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-12-14 14:24:05,273 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-12-14 14:24:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 14:24:05,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 14:24:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 14:24:05,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 14:24:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-12-14 14:24:05,273 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-12-14 14:24:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-12-14 14:24:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 14:24:05,274 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 14:24:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd [2022-12-14 14:24:05,274 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd [2022-12-14 14:24:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-14 14:24:05,274 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-14 14:24:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-12-14 14:24:05,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-12-14 14:24:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-12-14 14:24:05,274 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-12-14 14:24:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-12-14 14:24:05,274 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-12-14 14:24:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-14 14:24:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-14 14:24:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id [2022-12-14 14:24:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id [2022-12-14 14:24:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tv_tpg_mutex [2022-12-14 14:24:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tv_tpg_mutex [2022-12-14 14:24:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:24:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:24:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:24:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 14:24:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-14 14:24:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-14 14:24:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-12-14 14:24:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-12-14 14:24:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:24:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:24:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-14 14:24:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-14 14:24:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-14 14:24:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-12-14 14:24:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-12-14 14:24:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-12-14 14:24:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-12-14 14:24:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 14:24:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 14:24:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-12-14 14:24:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-12-14 14:24:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-12-14 14:24:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-12-14 14:24:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-12-14 14:24:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-12-14 14:24:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-12-14 14:24:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-12-14 14:24:05,277 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-12-14 14:24:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-12-14 14:24:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-14 14:24:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-14 14:24:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_alloc_fabric_acl [2022-12-14 14:24:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_alloc_fabric_acl [2022-12-14 14:24:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-14 14:24:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tcm_vhost_mutex [2022-12-14 14:24:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tcm_vhost_mutex [2022-12-14 14:24:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ioctl [2022-12-14 14:24:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ioctl [2022-12-14 14:24:05,278 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-14 14:24:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-14 14:24:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:24:05,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:24:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tport [2022-12-14 14:24:05,279 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tport [2022-12-14 14:24:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-12-14 14:24:05,279 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-12-14 14:24:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 14:24:05,279 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 14:24:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-14 14:24:05,279 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-12-14 14:24:05,279 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-12-14 14:24:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-14 14:24:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 14:24:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 14:24:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-14 14:24:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-12-14 14:24:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-12-14 14:24:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 14:24:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-12-14 14:24:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-12-14 14:24:05,280 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 14:24:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 14:24:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-12-14 14:24:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-12-14 14:24:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-14 14:24:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-14 14:24:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-12-14 14:24:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-12-14 14:24:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 14:24:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 14:24:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-14 14:24:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-14 14:24:05,281 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 14:24:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 14:24:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-12-14 14:24:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-12-14 14:24:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-14 14:24:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-14 14:24:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 14:24:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 14:24:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-12-14 14:24:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-12-14 14:24:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:24:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 14:24:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 14:24:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-12-14 14:24:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-12-14 14:24:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:24:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-12-14 14:24:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-12-14 14:24:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_cmd [2022-12-14 14:24:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_cmd [2022-12-14 14:24:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_set_default_node_attrs [2022-12-14 14:24:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_set_default_node_attrs [2022-12-14 14:24:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nexus [2022-12-14 14:24:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nexus [2022-12-14 14:24:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-14 14:24:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-14 14:24:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-14 14:24:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 14:24:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:24:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-12-14 14:24:05,284 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-12-14 14:24:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-14 14:24:05,284 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-14 14:24:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tv_tpg_mutex [2022-12-14 14:24:05,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tv_tpg_mutex [2022-12-14 14:24:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-14 14:24:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-14 14:24:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 14:24:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 14:24:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_fabric_proto_ident [2022-12-14 14:24:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_fabric_proto_ident [2022-12-14 14:24:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-12-14 14:24:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-12-14 14:24:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2022-12-14 14:24:05,285 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2022-12-14 14:24:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2022-12-14 14:24:05,286 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2022-12-14 14:24:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_deregister [2022-12-14 14:24:05,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_deregister [2022-12-14 14:24:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 14:24:05,286 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 14:24:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-12-14 14:24:05,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-12-14 14:24:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_command_size [2022-12-14 14:24:05,286 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_command_size [2022-12-14 14:24:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_dump_proto_id [2022-12-14 14:24:05,286 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_dump_proto_id [2022-12-14 14:24:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-12-14 14:24:05,287 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-12-14 14:24:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 14:24:05,287 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 14:24:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-12-14 14:24:05,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-12-14 14:24:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-14 14:24:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-14 14:24:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_clear_endpoint [2022-12-14 14:24:05,287 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_clear_endpoint [2022-12-14 14:24:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-14 14:24:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-14 14:24:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-12-14 14:24:05,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-12-14 14:24:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-14 14:24:05,288 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-14 14:24:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 14:24:05,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 14:24:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush_vq [2022-12-14 14:24:05,288 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush_vq [2022-12-14 14:24:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-12-14 14:24:05,288 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-12-14 14:24:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-12-14 14:24:05,289 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-12-14 14:24:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-14 14:24:05,289 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-14 14:24:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure sas_parse_pr_out_transport_id [2022-12-14 14:24:05,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_parse_pr_out_transport_id [2022-12-14 14:24:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-12-14 14:24:05,289 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-12-14 14:24:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2022-12-14 14:24:05,289 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2022-12-14 14:24:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-12-14 14:24:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-12-14 14:24:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-14 14:24:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-14 14:24:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-12-14 14:24:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-12-14 14:24:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-14 14:24:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-14 14:24:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used [2022-12-14 14:24:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used [2022-12-14 14:24:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 14:24:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 14:24:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 14:24:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 14:24:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-14 14:24:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-14 14:24:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nodeacl [2022-12-14 14:24:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nodeacl [2022-12-14 14:24:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-12-14 14:24:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-12-14 14:24:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-12-14 14:24:05,291 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-12-14 14:24:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id_len [2022-12-14 14:24:05,292 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id_len [2022-12-14 14:24:05,926 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:24:05,929 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:24:45,143 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume #t~switch208;#res := ~ret~1; [2022-12-14 14:24:45,144 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume !#t~switch208;#t~switch208 := #t~switch208 || 4bv32 == ~size; [2022-12-14 14:24:45,144 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume 0bv64 != ~tmp___1~4;#res := ~ret~1; [2022-12-14 14:24:45,144 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume !(0bv64 != ~tmp___1~4);#res := ~ret~1; [2022-12-14 14:24:45,144 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449: havoc #t~switch208; [2022-12-14 14:24:45,144 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7474: SUMMARY for call #t~ret209 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != ~ret~1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2022-12-14 14:24:45,144 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume #t~switch208; [2022-12-14 14:24:45,144 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume !#t~switch208;#t~switch208 := #t~switch208 || 16bv32 == ~size; [2022-12-14 14:24:45,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7474-1: ~tmp___0~9 := #t~ret209;havoc #t~ret209; [2022-12-14 14:24:45,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch208;#res := ~ret~1; [2022-12-14 14:24:45,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497-1: ~tmp___2~3 := #t~ret211;havoc #t~ret211;#res := ~tmp___2~3[32:0]; [2022-12-14 14:24:45,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497: SUMMARY for call #t~ret211 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2022-12-14 14:24:45,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch208;#t~switch208 := #t~switch208 || 2bv32 == ~size; [2022-12-14 14:24:45,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume #t~switch208;#res := ~ret~1; [2022-12-14 14:24:45,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume !#t~switch208;#t~switch208 := #t~switch208 || 8bv32 == ~size; [2022-12-14 14:24:45,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7487-1: ~tmp___1~4 := #t~ret210;havoc #t~ret210; [2022-12-14 14:24:45,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7487: SUMMARY for call #t~ret210 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != ~ret~1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2022-12-14 14:24:45,146 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume #t~switch208; [2022-12-14 14:24:45,146 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume !#t~switch208;#t~switch208 := true; [2022-12-14 14:24:45,146 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume 0bv64 != ~tmp___0~9;#res := ~ret~1; [2022-12-14 14:24:45,146 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume !(0bv64 != ~tmp___0~9);#res := ~ret~1; [2022-12-14 14:24:45,146 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume #t~switch208; [2022-12-14 14:24:45,146 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume !#t~switch208; [2022-12-14 14:24:45,146 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume #t~switch208;#res := ~ret~1; [2022-12-14 14:24:45,146 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume !#t~switch208;#t~switch208 := #t~switch208 || 10bv32 == ~size; [2022-12-14 14:25:01,724 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:25:01,738 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:25:01,738 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 14:25:01,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:25:01 BoogieIcfgContainer [2022-12-14 14:25:01,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:25:01,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:25:01,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:25:01,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:25:01,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:24:01" (1/3) ... [2022-12-14 14:25:01,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df61f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:25:01, skipping insertion in model container [2022-12-14 14:25:01,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:24:04" (2/3) ... [2022-12-14 14:25:01,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df61f03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:25:01, skipping insertion in model container [2022-12-14 14:25:01,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:25:01" (3/3) ... [2022-12-14 14:25:01,746 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-12-14 14:25:01,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:25:01,760 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 14:25:01,822 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:25:01,826 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;@7d0db5f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:25:01,826 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 14:25:01,835 INFO L276 IsEmpty]: Start isEmpty. Operand has 2398 states, 1657 states have (on average 1.3470126735063368) internal successors, (2232), 1707 states have internal predecessors, (2232), 628 states have call successors, (628), 111 states have call predecessors, (628), 111 states have return successors, (628), 616 states have call predecessors, (628), 628 states have call successors, (628) [2022-12-14 14:25:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 14:25:01,840 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:01,840 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:01,841 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:01,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:01,845 INFO L85 PathProgramCache]: Analyzing trace with hash -278348879, now seen corresponding path program 1 times [2022-12-14 14:25:01,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:25:01,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372928828] [2022-12-14 14:25:01,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:01,857 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 14:25:01,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:25:01,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:01,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:02,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:25:02,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:02,744 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 14:25:02,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:25:02,745 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:25:02,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372928828] [2022-12-14 14:25:02,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372928828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:02,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:02,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:25:02,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049477395] [2022-12-14 14:25:02,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:02,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:02,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:25:02,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:02,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:02,778 INFO L87 Difference]: Start difference. First operand has 2398 states, 1657 states have (on average 1.3470126735063368) internal successors, (2232), 1707 states have internal predecessors, (2232), 628 states have call successors, (628), 111 states have call predecessors, (628), 111 states have return successors, (628), 616 states have call predecessors, (628), 628 states have call successors, (628) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14:25:03,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:03,074 INFO L93 Difference]: Finished difference Result 4770 states and 7034 transitions. [2022-12-14 14:25:03,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:03,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 15 [2022-12-14 14:25:03,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:03,097 INFO L225 Difference]: With dead ends: 4770 [2022-12-14 14:25:03,097 INFO L226 Difference]: Without dead ends: 2382 [2022-12-14 14:25:03,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 14:25:03,111 INFO L413 NwaCegarLoop]: 3470 mSDtfsCounter, 3459 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3459 SdHoareTripleChecker+Valid, 3470 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 14:25:03,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3459 Valid, 3470 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:25:03,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2022-12-14 14:25:03,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2382. [2022-12-14 14:25:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2382 states, 1644 states have (on average 1.3418491484184916) internal successors, (2206), 1691 states have internal predecessors, (2206), 627 states have call successors, (627), 111 states have call predecessors, (627), 110 states have return successors, (616), 604 states have call predecessors, (616), 616 states have call successors, (616) [2022-12-14 14:25:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 3449 transitions. [2022-12-14 14:25:03,256 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 3449 transitions. Word has length 15 [2022-12-14 14:25:03,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:03,257 INFO L495 AbstractCegarLoop]: Abstraction has 2382 states and 3449 transitions. [2022-12-14 14:25:03,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14:25:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 3449 transitions. [2022-12-14 14:25:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 14:25:03,258 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:03,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:03,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:03,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:03,459 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:03,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:03,459 INFO L85 PathProgramCache]: Analyzing trace with hash -40005205, now seen corresponding path program 1 times [2022-12-14 14:25:03,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:25:03,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2093303062] [2022-12-14 14:25:03,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:03,461 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 14:25:03,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:25:03,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:03,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:04,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:25:04,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:04,275 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 14:25:04,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:25:04,276 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:25:04,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2093303062] [2022-12-14 14:25:04,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2093303062] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:04,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:04,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:25:04,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127508972] [2022-12-14 14:25:04,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:04,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:04,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:25:04,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:04,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:04,279 INFO L87 Difference]: Start difference. First operand 2382 states and 3449 transitions. 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 14:25:04,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:04,503 INFO L93 Difference]: Finished difference Result 2384 states and 3450 transitions. [2022-12-14 14:25:04,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:04,504 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 14:25:04,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:04,515 INFO L225 Difference]: With dead ends: 2384 [2022-12-14 14:25:04,515 INFO L226 Difference]: Without dead ends: 2381 [2022-12-14 14:25:04,517 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 14:25:04,517 INFO L413 NwaCegarLoop]: 3446 mSDtfsCounter, 3434 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3434 SdHoareTripleChecker+Valid, 3446 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 14:25:04,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3434 Valid, 3446 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:25:04,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2022-12-14 14:25:04,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2381. [2022-12-14 14:25:04,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 1644 states have (on average 1.3412408759124088) internal successors, (2205), 1690 states have internal predecessors, (2205), 626 states have call successors, (626), 111 states have call predecessors, (626), 110 states have return successors, (616), 604 states have call predecessors, (616), 616 states have call successors, (616) [2022-12-14 14:25:04,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3447 transitions. [2022-12-14 14:25:04,648 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3447 transitions. Word has length 16 [2022-12-14 14:25:04,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:04,648 INFO L495 AbstractCegarLoop]: Abstraction has 2381 states and 3447 transitions. [2022-12-14 14:25:04,648 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 14:25:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3447 transitions. [2022-12-14 14:25:04,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 14:25:04,649 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:04,649 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 14:25:04,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:04,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:04,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:04,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:04,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1241281036, now seen corresponding path program 1 times [2022-12-14 14:25:04,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:25:04,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1014141530] [2022-12-14 14:25:04,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:04,852 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 14:25:04,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:25:04,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:04,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:05,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:25:05,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:05,624 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 14:25:05,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:25:05,624 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:25:05,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1014141530] [2022-12-14 14:25:05,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1014141530] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:05,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:05,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:25:05,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207989079] [2022-12-14 14:25:05,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:05,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:05,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:25:05,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:05,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:05,626 INFO L87 Difference]: Start difference. First operand 2381 states and 3447 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 14:25:05,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:05,851 INFO L93 Difference]: Finished difference Result 2383 states and 3448 transitions. [2022-12-14 14:25:05,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:05,852 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 14:25:05,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:05,861 INFO L225 Difference]: With dead ends: 2383 [2022-12-14 14:25:05,861 INFO L226 Difference]: Without dead ends: 2380 [2022-12-14 14:25:05,862 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 14:25:05,863 INFO L413 NwaCegarLoop]: 3444 mSDtfsCounter, 3431 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3431 SdHoareTripleChecker+Valid, 3444 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 14:25:05,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3431 Valid, 3444 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:25:05,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2022-12-14 14:25:06,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 2380. [2022-12-14 14:25:06,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2380 states, 1644 states have (on average 1.340632603406326) internal successors, (2204), 1689 states have internal predecessors, (2204), 625 states have call successors, (625), 111 states have call predecessors, (625), 110 states have return successors, (616), 604 states have call predecessors, (616), 616 states have call successors, (616) [2022-12-14 14:25:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 2380 states and 3445 transitions. [2022-12-14 14:25:06,029 INFO L78 Accepts]: Start accepts. Automaton has 2380 states and 3445 transitions. Word has length 17 [2022-12-14 14:25:06,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:06,030 INFO L495 AbstractCegarLoop]: Abstraction has 2380 states and 3445 transitions. [2022-12-14 14:25:06,030 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 14:25:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 3445 transitions. [2022-12-14 14:25:06,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 14:25:06,031 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:06,031 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 14:25:06,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:06,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:06,231 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:06,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:06,232 INFO L85 PathProgramCache]: Analyzing trace with hash 173878734, now seen corresponding path program 1 times [2022-12-14 14:25:06,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:25:06,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560911108] [2022-12-14 14:25:06,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:06,234 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 14:25:06,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:25:06,235 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:06,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:06,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:25:06,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:07,042 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 14:25:07,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:25:07,042 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:25:07,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560911108] [2022-12-14 14:25:07,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560911108] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:07,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:07,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:25:07,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050680289] [2022-12-14 14:25:07,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:07,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:07,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:25:07,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:07,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:07,044 INFO L87 Difference]: Start difference. First operand 2380 states and 3445 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 14:25:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:07,345 INFO L93 Difference]: Finished difference Result 5057 states and 7217 transitions. [2022-12-14 14:25:07,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:07,346 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 14:25:07,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:07,356 INFO L225 Difference]: With dead ends: 5057 [2022-12-14 14:25:07,356 INFO L226 Difference]: Without dead ends: 2721 [2022-12-14 14:25:07,363 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 14:25:07,363 INFO L413 NwaCegarLoop]: 3586 mSDtfsCounter, 1870 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1870 SdHoareTripleChecker+Valid, 5521 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:07,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1870 Valid, 5521 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:25:07,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-12-14 14:25:07,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 2718. [2022-12-14 14:25:07,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 1870 states have (on average 1.3160427807486632) internal successors, (2461), 1922 states have internal predecessors, (2461), 686 states have call successors, (686), 163 states have call predecessors, (686), 161 states have return successors, (677), 662 states have call predecessors, (677), 675 states have call successors, (677) [2022-12-14 14:25:07,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3824 transitions. [2022-12-14 14:25:07,509 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3824 transitions. Word has length 18 [2022-12-14 14:25:07,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:07,510 INFO L495 AbstractCegarLoop]: Abstraction has 2718 states and 3824 transitions. [2022-12-14 14:25:07,510 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 14:25:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3824 transitions. [2022-12-14 14:25:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 14:25:07,510 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:07,510 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 14:25:07,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:07,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:07,711 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:07,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:07,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1094163511, now seen corresponding path program 1 times [2022-12-14 14:25:07,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:25:07,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [349684405] [2022-12-14 14:25:07,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:07,713 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 14:25:07,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:25:07,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:07,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:08,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:25:08,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:08,452 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 14:25:08,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:25:08,452 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:25:08,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [349684405] [2022-12-14 14:25:08,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [349684405] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:08,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:08,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:25:08,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252520237] [2022-12-14 14:25:08,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:08,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:08,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:25:08,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:08,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:08,454 INFO L87 Difference]: Start difference. First operand 2718 states and 3824 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 14:25:08,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:08,797 INFO L93 Difference]: Finished difference Result 2747 states and 3847 transitions. [2022-12-14 14:25:08,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:08,797 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 14:25:08,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:08,806 INFO L225 Difference]: With dead ends: 2747 [2022-12-14 14:25:08,806 INFO L226 Difference]: Without dead ends: 2743 [2022-12-14 14:25:08,807 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 14:25:08,807 INFO L413 NwaCegarLoop]: 3439 mSDtfsCounter, 3357 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3357 SdHoareTripleChecker+Valid, 3523 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:08,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3357 Valid, 3523 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:25:08,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2022-12-14 14:25:08,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 2739. [2022-12-14 14:25:08,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 1887 states have (on average 1.3131955484896662) internal successors, (2478), 1937 states have internal predecessors, (2478), 684 states have call successors, (684), 169 states have call predecessors, (684), 167 states have return successors, (677), 662 states have call predecessors, (677), 675 states have call successors, (677) [2022-12-14 14:25:08,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3839 transitions. [2022-12-14 14:25:08,965 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3839 transitions. Word has length 19 [2022-12-14 14:25:08,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:08,965 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3839 transitions. [2022-12-14 14:25:08,965 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 14:25:08,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3839 transitions. [2022-12-14 14:25:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 14:25:08,966 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:08,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:08,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:09,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:09,167 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:09,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:09,167 INFO L85 PathProgramCache]: Analyzing trace with hash -441774607, now seen corresponding path program 1 times [2022-12-14 14:25:09,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:25:09,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739030417] [2022-12-14 14:25:09,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:09,168 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 14:25:09,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:25:09,169 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:09,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:09,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:25:09,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:10,022 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 14:25:10,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:25:10,022 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:25:10,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739030417] [2022-12-14 14:25:10,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1739030417] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:10,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:10,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:25:10,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18805179] [2022-12-14 14:25:10,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:10,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:25:10,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:25:10,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:25:10,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:25:10,025 INFO L87 Difference]: Start difference. First operand 2739 states and 3839 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 14:25:10,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:10,316 INFO L93 Difference]: Finished difference Result 2758 states and 3857 transitions. [2022-12-14 14:25:10,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:25:10,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 20 [2022-12-14 14:25:10,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:10,325 INFO L225 Difference]: With dead ends: 2758 [2022-12-14 14:25:10,326 INFO L226 Difference]: Without dead ends: 2734 [2022-12-14 14:25:10,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 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 14:25:10,327 INFO L413 NwaCegarLoop]: 3437 mSDtfsCounter, 3353 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3353 SdHoareTripleChecker+Valid, 3515 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:10,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3353 Valid, 3515 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 14:25:10,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2734 states. [2022-12-14 14:25:10,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2734 to 2732. [2022-12-14 14:25:10,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2732 states, 1883 states have (on average 1.312267657992565) internal successors, (2471), 1931 states have internal predecessors, (2471), 678 states have call successors, (678), 172 states have call predecessors, (678), 170 states have return successors, (673), 658 states have call predecessors, (673), 671 states have call successors, (673) [2022-12-14 14:25:10,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2732 states and 3822 transitions. [2022-12-14 14:25:10,501 INFO L78 Accepts]: Start accepts. Automaton has 2732 states and 3822 transitions. Word has length 20 [2022-12-14 14:25:10,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:10,501 INFO L495 AbstractCegarLoop]: Abstraction has 2732 states and 3822 transitions. [2022-12-14 14:25:10,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 14:25:10,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3822 transitions. [2022-12-14 14:25:10,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 14:25:10,504 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:10,505 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] [2022-12-14 14:25:10,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:10,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:10,706 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:10,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:10,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1928612143, now seen corresponding path program 1 times [2022-12-14 14:25:10,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:25:10,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140513654] [2022-12-14 14:25:10,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:10,710 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 14:25:10,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:25:10,712 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:10,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:11,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 1320 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 14:25:11,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:11,635 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 14:25:11,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:25:11,636 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:25:11,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2140513654] [2022-12-14 14:25:11,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2140513654] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:11,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:11,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:25:11,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149130157] [2022-12-14 14:25:11,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:11,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:25:11,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:25:11,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:25:11,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:25:11,638 INFO L87 Difference]: Start difference. First operand 2732 states and 3822 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 14:25:12,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:12,183 INFO L93 Difference]: Finished difference Result 5413 states and 7579 transitions. [2022-12-14 14:25:12,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:25:12,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-12-14 14:25:12,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:12,191 INFO L225 Difference]: With dead ends: 5413 [2022-12-14 14:25:12,191 INFO L226 Difference]: Without dead ends: 2732 [2022-12-14 14:25:12,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 14:25:12,197 INFO L413 NwaCegarLoop]: 3405 mSDtfsCounter, 5 mSDsluCounter, 10202 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 13607 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:12,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 13607 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 14:25:12,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2022-12-14 14:25:12,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 2732. [2022-12-14 14:25:12,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2732 states, 1883 states have (on average 1.3117365905469995) internal successors, (2470), 1930 states have internal predecessors, (2470), 678 states have call successors, (678), 172 states have call predecessors, (678), 170 states have return successors, (673), 658 states have call predecessors, (673), 671 states have call successors, (673) [2022-12-14 14:25:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2732 states and 3821 transitions. [2022-12-14 14:25:12,350 INFO L78 Accepts]: Start accepts. Automaton has 2732 states and 3821 transitions. Word has length 50 [2022-12-14 14:25:12,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:12,350 INFO L495 AbstractCegarLoop]: Abstraction has 2732 states and 3821 transitions. [2022-12-14 14:25:12,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-14 14:25:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3821 transitions. [2022-12-14 14:25:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 14:25:12,353 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:12,354 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 14:25:12,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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)] Forceful destruction successful, exit code 0 [2022-12-14 14:25:12,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:12,555 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:12,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:12,556 INFO L85 PathProgramCache]: Analyzing trace with hash -2135819765, now seen corresponding path program 1 times [2022-12-14 14:25:12,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:25:12,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567617003] [2022-12-14 14:25:12,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:12,558 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 14:25:12,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:25:12,560 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:12,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:13,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 14:25:13,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:13,561 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 14:25:13,562 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:25:13,562 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:25:13,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567617003] [2022-12-14 14:25:13,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567617003] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:13,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:13,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:25:13,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531036053] [2022-12-14 14:25:13,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:13,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:25:13,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:25:13,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:25:13,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:25:13,564 INFO L87 Difference]: Start difference. First operand 2732 states and 3821 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-12-14 14:25:14,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:14,169 INFO L93 Difference]: Finished difference Result 5412 states and 7577 transitions. [2022-12-14 14:25:14,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:25:14,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 57 [2022-12-14 14:25:14,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:14,183 INFO L225 Difference]: With dead ends: 5412 [2022-12-14 14:25:14,183 INFO L226 Difference]: Without dead ends: 2721 [2022-12-14 14:25:14,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 14:25:14,192 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 6 mSDsluCounter, 10197 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 13601 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:14,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 13601 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 14:25:14,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-12-14 14:25:14,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 2721. [2022-12-14 14:25:14,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2721 states, 1876 states have (on average 1.3118336886993602) internal successors, (2461), 1923 states have internal predecessors, (2461), 676 states have call successors, (676), 170 states have call predecessors, (676), 168 states have return successors, (671), 656 states have call predecessors, (671), 669 states have call successors, (671) [2022-12-14 14:25:14,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2721 states and 3808 transitions. [2022-12-14 14:25:14,427 INFO L78 Accepts]: Start accepts. Automaton has 2721 states and 3808 transitions. Word has length 57 [2022-12-14 14:25:14,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:14,427 INFO L495 AbstractCegarLoop]: Abstraction has 2721 states and 3808 transitions. [2022-12-14 14:25:14,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-12-14 14:25:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3808 transitions. [2022-12-14 14:25:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 14:25:14,430 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:14,430 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:14,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:14,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:14,631 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:14,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:14,632 INFO L85 PathProgramCache]: Analyzing trace with hash -469998475, now seen corresponding path program 1 times [2022-12-14 14:25:14,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:25:14,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1481759592] [2022-12-14 14:25:14,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:14,636 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 14:25:14,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:25:14,638 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:14,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (10)] Waiting until timeout for monitored process [2022-12-14 14:25:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:15,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 1732 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 14:25:15,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 14:25:15,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:25:15,778 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:25:15,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1481759592] [2022-12-14 14:25:15,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1481759592] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:15,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:15,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 14:25:15,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552137982] [2022-12-14 14:25:15,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:15,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 14:25:15,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:25:15,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 14:25:15,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 14:25:15,779 INFO L87 Difference]: Start difference. First operand 2721 states and 3808 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 14:25:16,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:16,501 INFO L93 Difference]: Finished difference Result 5403 states and 7566 transitions. [2022-12-14 14:25:16,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 14:25:16,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2022-12-14 14:25:16,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:16,509 INFO L225 Difference]: With dead ends: 5403 [2022-12-14 14:25:16,509 INFO L226 Difference]: Without dead ends: 2721 [2022-12-14 14:25:16,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:25:16,514 INFO L413 NwaCegarLoop]: 3392 mSDtfsCounter, 3 mSDsluCounter, 6774 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10166 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:16,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10166 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 14:25:16,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-12-14 14:25:16,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 2721. [2022-12-14 14:25:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2721 states, 1876 states have (on average 1.3113006396588487) internal successors, (2460), 1923 states have internal predecessors, (2460), 676 states have call successors, (676), 170 states have call predecessors, (676), 168 states have return successors, (671), 656 states have call predecessors, (671), 669 states have call successors, (671) [2022-12-14 14:25:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2721 states and 3807 transitions. [2022-12-14 14:25:16,663 INFO L78 Accepts]: Start accepts. Automaton has 2721 states and 3807 transitions. Word has length 84 [2022-12-14 14:25:16,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:16,663 INFO L495 AbstractCegarLoop]: Abstraction has 2721 states and 3807 transitions. [2022-12-14 14:25:16,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 14:25:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3807 transitions. [2022-12-14 14:25:16,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-12-14 14:25:16,665 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:16,665 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:16,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (10)] Forceful destruction successful, exit code 0 [2022-12-14 14:25:16,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:16,867 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:16,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:16,868 INFO L85 PathProgramCache]: Analyzing trace with hash 648997878, now seen corresponding path program 1 times [2022-12-14 14:25:16,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:25:16,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996370006] [2022-12-14 14:25:16,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:16,873 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 14:25:16,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:25:16,876 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:16,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (11)] Waiting until timeout for monitored process [2022-12-14 14:25:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:17,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 1477 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 14:25:17,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:19,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:25:19,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:25:19,161 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:25:19,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996370006] [2022-12-14 14:25:19,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996370006] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:19,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:19,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-14 14:25:19,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527334019] [2022-12-14 14:25:19,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:19,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 14:25:19,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:25:19,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 14:25:19,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-14 14:25:19,164 INFO L87 Difference]: Start difference. First operand 2721 states and 3807 transitions. Second operand has 12 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2022-12-14 14:25:23,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:25:32,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:25:32,041 INFO L93 Difference]: Finished difference Result 5417 states and 7589 transitions. [2022-12-14 14:25:32,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 14:25:32,043 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 87 [2022-12-14 14:25:32,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:25:32,052 INFO L225 Difference]: With dead ends: 5417 [2022-12-14 14:25:32,052 INFO L226 Difference]: Without dead ends: 2730 [2022-12-14 14:25:32,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-12-14 14:25:32,058 INFO L413 NwaCegarLoop]: 3268 mSDtfsCounter, 5 mSDsluCounter, 32505 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 35773 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2022-12-14 14:25:32,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 35773 Invalid, 1529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1526 Invalid, 1 Unknown, 0 Unchecked, 11.7s Time] [2022-12-14 14:25:32,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2730 states. [2022-12-14 14:25:32,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2730 to 2728. [2022-12-14 14:25:32,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2728 states, 1881 states have (on average 1.3104731525784157) internal successors, (2465), 1928 states have internal predecessors, (2465), 677 states have call successors, (677), 170 states have call predecessors, (677), 169 states have return successors, (678), 658 states have call predecessors, (678), 670 states have call successors, (678) [2022-12-14 14:25:32,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 3820 transitions. [2022-12-14 14:25:32,254 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 3820 transitions. Word has length 87 [2022-12-14 14:25:32,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:25:32,255 INFO L495 AbstractCegarLoop]: Abstraction has 2728 states and 3820 transitions. [2022-12-14 14:25:32,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2022-12-14 14:25:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3820 transitions. [2022-12-14 14:25:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 14:25:32,258 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:25:32,259 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:25:32,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (11)] Ended with exit code 0 [2022-12-14 14:25:32,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:32,460 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:25:32,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:25:32,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1504126854, now seen corresponding path program 1 times [2022-12-14 14:25:32,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:25:32,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290123257] [2022-12-14 14:25:32,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:25:32,462 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 14:25:32,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:25:32,463 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:25:32,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (12)] Waiting until timeout for monitored process [2022-12-14 14:25:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:25:33,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 1494 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 14:25:33,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:25:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 14:25:37,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:25:37,506 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:25:37,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [290123257] [2022-12-14 14:25:37,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [290123257] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:25:37,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:25:37,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-12-14 14:25:37,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491499852] [2022-12-14 14:25:37,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:25:37,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-14 14:25:37,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:25:37,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-14 14:25:37,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=340, Unknown=0, NotChecked=0, Total=380 [2022-12-14 14:25:37,508 INFO L87 Difference]: Start difference. First operand 2728 states and 3820 transitions. Second operand has 20 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 16 states have internal predecessors, (69), 5 states have call successors, (12), 2 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) [2022-12-14 14:25:44,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:26:02,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:02,888 INFO L93 Difference]: Finished difference Result 5414 states and 7589 transitions. [2022-12-14 14:26:02,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 14:26:02,890 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 16 states have internal predecessors, (69), 5 states have call successors, (12), 2 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) Word has length 90 [2022-12-14 14:26:02,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:02,900 INFO L225 Difference]: With dead ends: 5414 [2022-12-14 14:26:02,900 INFO L226 Difference]: Without dead ends: 2725 [2022-12-14 14:26:02,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=122, Invalid=870, Unknown=0, NotChecked=0, Total=992 [2022-12-14 14:26:02,906 INFO L413 NwaCegarLoop]: 3265 mSDtfsCounter, 22 mSDsluCounter, 52007 mSDsCounter, 0 mSdLazyCounter, 2506 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 55272 SdHoareTripleChecker+Invalid, 2513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2506 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:26:02,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 55272 Invalid, 2513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 2506 Invalid, 1 Unknown, 0 Unchecked, 21.3s Time] [2022-12-14 14:26:02,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2725 states. [2022-12-14 14:26:03,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2725 to 2716. [2022-12-14 14:26:03,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 1873 states have (on average 1.3112653497063533) internal successors, (2456), 1920 states have internal predecessors, (2456), 675 states have call successors, (675), 169 states have call predecessors, (675), 167 states have return successors, (670), 655 states have call predecessors, (670), 668 states have call successors, (670) [2022-12-14 14:26:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3801 transitions. [2022-12-14 14:26:03,073 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3801 transitions. Word has length 90 [2022-12-14 14:26:03,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:03,073 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3801 transitions. [2022-12-14 14:26:03,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 16 states have internal predecessors, (69), 5 states have call successors, (12), 2 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) [2022-12-14 14:26:03,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3801 transitions. [2022-12-14 14:26:03,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 14:26:03,074 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:03,075 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:26:03,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (12)] Forceful destruction successful, exit code 0 [2022-12-14 14:26:03,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:26:03,275 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:03,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:03,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1740520302, now seen corresponding path program 1 times [2022-12-14 14:26:03,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:26:03,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917546471] [2022-12-14 14:26:03,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:03,277 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 14:26:03,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:26:03,278 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:26:03,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (13)] Waiting until timeout for monitored process [2022-12-14 14:26:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:04,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 1775 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 14:26:04,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:26:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 14:26:04,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:26:04,626 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:26:04,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917546471] [2022-12-14 14:26:04,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917546471] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:04,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:04,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 14:26:04,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838550391] [2022-12-14 14:26:04,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:04,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 14:26:04,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:26:04,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 14:26:04,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 14:26:04,629 INFO L87 Difference]: Start difference. First operand 2716 states and 3801 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-14 14:26:09,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:09,130 INFO L93 Difference]: Finished difference Result 5399 states and 7560 transitions. [2022-12-14 14:26:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 14:26:09,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 88 [2022-12-14 14:26:09,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:09,150 INFO L225 Difference]: With dead ends: 5399 [2022-12-14 14:26:09,150 INFO L226 Difference]: Without dead ends: 2716 [2022-12-14 14:26:09,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 14:26:09,162 INFO L413 NwaCegarLoop]: 3274 mSDtfsCounter, 303 mSDsluCounter, 12564 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 15838 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:26:09,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 15838 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 14:26:09,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-12-14 14:26:09,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 2716. [2022-12-14 14:26:09,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 1873 states have (on average 1.3107314468766684) internal successors, (2455), 1920 states have internal predecessors, (2455), 675 states have call successors, (675), 169 states have call predecessors, (675), 167 states have return successors, (670), 655 states have call predecessors, (670), 668 states have call successors, (670) [2022-12-14 14:26:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3800 transitions. [2022-12-14 14:26:09,357 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3800 transitions. Word has length 88 [2022-12-14 14:26:09,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:09,357 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3800 transitions. [2022-12-14 14:26:09,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-12-14 14:26:09,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3800 transitions. [2022-12-14 14:26:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 14:26:09,359 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:09,359 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:26:09,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (13)] Ended with exit code 0 [2022-12-14 14:26:09,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:26:09,560 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:09,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:09,561 INFO L85 PathProgramCache]: Analyzing trace with hash -336577062, now seen corresponding path program 1 times [2022-12-14 14:26:09,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:26:09,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127755716] [2022-12-14 14:26:09,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:09,567 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 14:26:09,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:26:09,570 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:26:09,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (14)] Waiting until timeout for monitored process [2022-12-14 14:26:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:10,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 14:26:10,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:26:10,952 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 14:26:10,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:26:10,953 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:26:10,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127755716] [2022-12-14 14:26:10,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1127755716] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:10,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:10,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:26:10,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015822434] [2022-12-14 14:26:10,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:10,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:26:10,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:26:10,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:26:10,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:26:10,955 INFO L87 Difference]: Start difference. First operand 2716 states and 3800 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 14:26:11,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:11,267 INFO L93 Difference]: Finished difference Result 2999 states and 4116 transitions. [2022-12-14 14:26:11,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:26:11,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 91 [2022-12-14 14:26:11,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:11,273 INFO L225 Difference]: With dead ends: 2999 [2022-12-14 14:26:11,273 INFO L226 Difference]: Without dead ends: 2509 [2022-12-14 14:26:11,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 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 14:26:11,275 INFO L413 NwaCegarLoop]: 3414 mSDtfsCounter, 1695 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1695 SdHoareTripleChecker+Valid, 5136 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 14:26:11,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1695 Valid, 5136 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 14:26:11,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2022-12-14 14:26:11,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2507. [2022-12-14 14:26:11,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 1728 states have (on average 1.2991898148148149) internal successors, (2245), 1767 states have internal predecessors, (2245), 616 states have call successors, (616), 164 states have call predecessors, (616), 162 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-12-14 14:26:11,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3470 transitions. [2022-12-14 14:26:11,413 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3470 transitions. Word has length 91 [2022-12-14 14:26:11,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:11,414 INFO L495 AbstractCegarLoop]: Abstraction has 2507 states and 3470 transitions. [2022-12-14 14:26:11,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 14:26:11,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3470 transitions. [2022-12-14 14:26:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-14 14:26:11,416 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:11,417 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:26:11,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (14)] Ended with exit code 0 [2022-12-14 14:26:11,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:26:11,617 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:11,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:11,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1570014190, now seen corresponding path program 1 times [2022-12-14 14:26:11,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:26:11,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163748571] [2022-12-14 14:26:11,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:11,620 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 14:26:11,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:26:11,620 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:26:11,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (15)] Waiting until timeout for monitored process [2022-12-14 14:26:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:12,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 1858 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:26:12,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:26:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 14:26:12,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:26:12,870 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:26:12,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163748571] [2022-12-14 14:26:12,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163748571] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:12,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:12,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:26:12,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305580522] [2022-12-14 14:26:12,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:12,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:26:12,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:26:12,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:26:12,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:26:12,872 INFO L87 Difference]: Start difference. First operand 2507 states and 3470 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 14:26:13,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:13,061 INFO L93 Difference]: Finished difference Result 5003 states and 6949 transitions. [2022-12-14 14:26:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:26:13,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2022-12-14 14:26:13,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:13,067 INFO L225 Difference]: With dead ends: 5003 [2022-12-14 14:26:13,068 INFO L226 Difference]: Without dead ends: 2509 [2022-12-14 14:26:13,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 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 14:26:13,073 INFO L413 NwaCegarLoop]: 3141 mSDtfsCounter, 0 mSDsluCounter, 3134 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6275 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 14:26:13,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6275 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:26:13,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2022-12-14 14:26:13,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2507. [2022-12-14 14:26:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 1728 states have (on average 1.2957175925925926) internal successors, (2239), 1767 states have internal predecessors, (2239), 616 states have call successors, (616), 164 states have call predecessors, (616), 162 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-12-14 14:26:13,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3464 transitions. [2022-12-14 14:26:13,222 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3464 transitions. Word has length 107 [2022-12-14 14:26:13,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:13,223 INFO L495 AbstractCegarLoop]: Abstraction has 2507 states and 3464 transitions. [2022-12-14 14:26:13,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 14:26:13,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3464 transitions. [2022-12-14 14:26:13,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-14 14:26:13,225 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:13,225 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:26:13,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (15)] Ended with exit code 0 [2022-12-14 14:26:13,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:26:13,426 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:13,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:13,426 INFO L85 PathProgramCache]: Analyzing trace with hash 2115940939, now seen corresponding path program 1 times [2022-12-14 14:26:13,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:26:13,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618258782] [2022-12-14 14:26:13,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:13,428 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 14:26:13,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:26:13,428 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:26:13,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (16)] Waiting until timeout for monitored process [2022-12-14 14:26:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:26:14,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 1848 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 14:26:14,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 14:26:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 14:26:14,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 14:26:14,706 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 14:26:14,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618258782] [2022-12-14 14:26:14,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [618258782] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:26:14,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:26:14,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:26:14,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824989987] [2022-12-14 14:26:14,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:26:14,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:26:14,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 14:26:14,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:26:14,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:26:14,707 INFO L87 Difference]: Start difference. First operand 2507 states and 3464 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-14 14:26:14,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:26:14,914 INFO L93 Difference]: Finished difference Result 4976 states and 6884 transitions. [2022-12-14 14:26:14,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:26:14,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2022-12-14 14:26:14,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:26:14,922 INFO L225 Difference]: With dead ends: 4976 [2022-12-14 14:26:14,922 INFO L226 Difference]: Without dead ends: 2507 [2022-12-14 14:26:14,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 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 14:26:14,926 INFO L413 NwaCegarLoop]: 3137 mSDtfsCounter, 0 mSDsluCounter, 3130 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6267 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 14:26:14,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6267 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 14:26:14,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2022-12-14 14:26:15,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 2507. [2022-12-14 14:26:15,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 1728 states have (on average 1.2939814814814814) internal successors, (2236), 1767 states have internal predecessors, (2236), 616 states have call successors, (616), 164 states have call predecessors, (616), 162 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-12-14 14:26:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3461 transitions. [2022-12-14 14:26:15,067 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3461 transitions. Word has length 107 [2022-12-14 14:26:15,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:26:15,067 INFO L495 AbstractCegarLoop]: Abstraction has 2507 states and 3461 transitions. [2022-12-14 14:26:15,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-14 14:26:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3461 transitions. [2022-12-14 14:26:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-14 14:26:15,070 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:26:15,070 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 14:26:15,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (16)] Ended with exit code 0 [2022-12-14 14:26:15,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:26:15,271 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 14:26:15,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:26:15,272 INFO L85 PathProgramCache]: Analyzing trace with hash -490783393, now seen corresponding path program 1 times [2022-12-14 14:26:15,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 14:26:15,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259589540] [2022-12-14 14:26:15,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:26:15,278 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 14:26:15,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 14:26:15,281 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 14:26:15,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10112252-a5c7-4717-8544-9f5e21603ea7/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 (17)] Waiting until timeout for monitored process [2022-12-14 14:27:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 14:27:50,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.